63,946 research outputs found
Xeruca Shih 2015
No full text<i>Xeruca</i> Shih, 2015, status nov. <p>(Fig. 12B)</p> <p> <i>Xeruca</i> Shih, 2015: 154. Type species: <i>Uca formosensis</i> Rathbun, 1921, by original designation. Gender feminine.</p> <p> <b>Diagnosis.</b> Large-sized species (carapace width about 30 mm in adults); dorsal carapace surface without posterolateral striae; front narrow; cornea round; eyestalks slender; adult male major cheliped very large; right- or left-handed, deep fingers (with straight cutting margins>1/2 length of fingers), pollex without ventral carina, outer surface of major manus with moderate-szied to large tubercles, carpus with anterodorsal area flattened to facilitate chela flexion, setae on merus of minor cheliped long, thin; male pleonites free; pleonal locking mechanism absent; no setae on lateral margins of posterior stem region of urocardiac ossicles in gastric mill. Taiwan endemic.</p> <p> <b>Species included</b>:</p> <p> <i>Xeruca formosensis</i> (Rathbun, 1921).</p> <p> <b>Remarks.</b> Although Rathbun described this large endemic Taiwanese species in Rathbun (1921), it was not well known until the work of Shih et al. (1999). Crane (1975) placed it with <i>U. tetragonon</i> and the <i>U. vocans</i> species-complex, in <i>Thalassuca</i> (= <i>Gelasimus</i>), although she had examined only a few specimens. Shih et al. (1999) suggested that it was closely related to <i>Tubuca</i>, but cautioned that more study was needed to confirm its status. Shih (2015) recently established a separate taxon <i>Xeruca</i> for this species based on morphological (see Rosenberg, 2001) and molecular evidence. The present work (Fig. 2) and Shih (2015) show <i>Xeruca</i> to be basal to the main <i>Tubuca</i> clade which confirms earlier relationship speculation (Crane, 1975; Shih et al., 1999; Rosenberg, 2001). The monotypic <i>Xeruca</i> is confined to Taiwan Island and the adjacent Penghu Islands, and thus has the smallest distribution of any genus in the Ocypodidae (Fig. 4).</p>Published as part of <i>Shih, Hsi-Te, Ng, Peter K. L., Davie, Peter J. F., Schubart, Christoph D., Türkay, Michael, Naderloo, Reza, Jones, Diana & Liu, Min-Yun, 2016, Systematics of the family Ocypodidae Rafinesque, 1815 (Crustacea: Brachyura), based on phylogenetic relationships, with a reorganization of subfamily rankings and a review of the taxonomic status of Uca Leach, 1814, sensu lato and its subgenera, pp. 139-175 in Raffles Bulletin of Zoology 64</i> on page 159, DOI: <a href="http://zenodo.org/record/5355087">10.5281/zenodo.5355087</a>
Measurement of the ratio of prompt χ c to J / ψ production in pp collisions at √s = 7 TeV
Get PDFThe prompt production of charmonium χ c and J / ψ states is studied in proton-proton collisions at a centre-of-mass energy of √s = 7 TeV at the Large Hadron Collider. The χ c and J / ψ mesons are identified through their decays χ c → J / ψ γ and J / ψ → μ + μ - using 36 pb - 1 of data collected by the LHCb detector in 2010. The ratio of the prompt production cross-sections for χ c and J / ψ, σ (χ c → J / ψ γ) / σ (J / ψ), is determined as a function of the J / ψ transverse momentum in the range 2 < p T J / ψ < 15 GeV / c. The results are in excellent agreement with next-to-leading order non-relativistic expectations and show a significant discrepancy compared with the colour singlet model prediction at leading order, especially in the low p T J / ψ region
Shih (J.) Hang (Th.) et al Religious Glimpses of Eastern Asia
No full textNguyen Van Phong Joseph. Shih (J.) Hang (Th.) et al Religious Glimpses of Eastern Asia. In: Archives de sociologie des religions, n°30, 1970. p. 239
Jembra kuanae Shih, sp. nov.
No full text<i>Jembra kuanae</i> Shih sp. nov. <p>(Figs. 2, 3)</p> <p> <b>Coloration:</b> General color brown (Fig. 2 A). Tegmen without markings (Fig. 2 B); wing hyaline, veins brown, apical area with brown pubescence except apical cells. Two color variations on head (Figs. 2 D, 2E), pronotum and mesoscutellum: dark brown type with irregular dark brown mottles (Fig. 2 E), and yellowish brown type with one obviously inverted and yellowish V-shaped stripe (Fig. 2 D).</p> <p> <b>Structure:</b> Head width: body width: body length= 1:1.6:3.2. Head in ventral view rhombus shaped (Fig. 3 B), as long as wide; head in dorsal view triangular (Fig. 3 A), about 2.6 times as wide as long. Head subequal to pronotum at level of anterior margin, about 1.04:1.0. Frons with a median longitudinal carina and 10 transverse ridges in ventral view (Fig. 3 B). Expanded flagellar base with 4 plate-shaped basiconic sensillae on ventrolateral side. Rostrum nearly extended to apex of middle trochanters. Pronotum width at widest part greater than median length by about 1.5: 1.0. Tegmen densely punctured (Fig. 3 D) with pits about 0.1 mm in diameter; 3 times as long as wide, AM (length of anal margin): PM (length of posterior margin): LT (length of tegmen) = 1.0: 3.0: 3.9. Wing with 3 apical cells (Fig. 3 E). Hind tibia with two lateral spines, distal one about 2.0–2.5 times as long as basal one; apical spines arranged into 2 rows, upper row composed of 11 spines, lower one composed of 12 spines. First hind tarsomere with apical spines arranged in two rows (Figs. 2 C, 3H), upper row composed of 18–21 spines, lower one composed of 7–12 spines.</p> <p> <b>Male Genitalia:</b> Pygofer in lateral view subquadrate (Fig. 3 I), about 1.3 times wider than long; basal margin of pygofer straight downward, then protruding at ventral third; pygofer ventral view oval (Fig. 3 J); dorsal process of pygofer (dp) in lateral view cone like, ventrally directed (Fig. 3 I); ventral process of pygofer (vp) (= genital plate) in lateral view, about 0.7 times longer than posterior margin of pygofer; ventral processes of pygofer in ventral view bilobed, acute at tip and direct mesade (Fig. 3 J). Abdominal segment X cylindrical, subequal to the abdominal tergite of segment XI (XIt) in length. Aedeagus T-shaped (Figs. 3 O–P) in both dorsal and ventral views, joined with basal part and apical winged plate; basal part of aedeagus short in lateral view, cylindrical, and membranous; apical winged plate somewhat hardened; transversely enlarged at caudal view, widest at middle and with a obviously concave gonopore (Fig. 3 N). Genital style triangular, basal part narrow and gradually widening to apex (Figs. 3 K–L).</p> <p> <b>Measurements:</b> Body length (from apex of vertex to tip of tegmen): 3, 7.9 ± 0.2 mm (n =17); Ƥ, 8.5 ± 0.1 mm (n =2); Body width: 3, 3.8 ± 0.3 mm (n =17); Ƥ, 3.9 ± 0.3 mm (n =2).</p> <p> <b>Holotype: Male, TAIWAN</b>, Taichung, Wanfeng Hill, XII. 1984, K. S. Lin & K. C. Chou, Malaise trap; Holotype depository: TARI.</p> <p> <b>Paratypes: TAIWAN</b>, 1 male, Taichung, Wanfeng Hill, II. 1984, K. S. Lin & K. C. Chou, Malaise trap (TARI); 5 males, 1 female, Taichung, Wanfeng Hill, III. 1984, K. S. Lin & K. C. Chou, Malaise trap (TARI); 2 males, Taichung, Wanfeng Hill, V. 1984, K. S. Lin & K. C. Chou, Malaise trap (TARI); 1 male, Taichung, Wanfeng Hill, VII. 1984, K. S. Lin & K. C. Chou, Malaise trap (TARI); 3 males, 1 female, Taichung, Wanfeng Hill, VIII. 1984, K. S. Lin & K. C. Chou, Malaise trap (TARI); 1 male, Taichung, Wanfeng Hill, XII. 1984, K. S. Lin & K. C. Chou, Malaise trap; 1 male, Nantou, Chushan, 24-IX-1999, H. T. Shih (TARI); 1 male, Nantou, Chushan, 24-IX-1999, H. T. Shih (Institute of Zoology, Chinese Academy of Sciences, China); 1 male, Nantou, Chushan, 24-IX-1999, H. T. Shih (Canadian National Collection of Insects, Ottawa, Canada); 1 male, Nantou, Chushan, 24-IX-1999, H. T. Shih (National Museum of Natural Science, Taiwan, ROC.).</p> <p> <b>Etymology:</b> Named for the first author’s mother K. C. Kuan.</p> <p> <b>Distribution:</b> Taiwan.</p> <p> <b>Host plants:</b> Unknown.</p> <p> <b>Remarks:</b> This species can be distinguished easily from other <i>Jembra</i> species by the following characteristics: (1) antenna with 4 plate-shaped basiconic sensillae (Figs. 2 G–H) on the expanded flagellar base; (2) pronotum without obvious lateral carinae, median carina interrupted by some longitudinal wrinkles on the anterior margin (Fig. 3 A); (3) frons with median longitudinal carina (Fig. 3 B); (4) wing with 3 apical cells and without pubescence in apical cells (Fig. 3 E); (5) the first tarsus with apical spines arranged in 2 rows (Figs. 2 C, 3H); (6) the dorsal process of pygofer conical (Fig. 3 I); (7) genital style triangular (Figs. 3 K–L), without distinct slender inner and outer processes; (8) apical portion of aedeagus winged, and each lateral tip of winged portion directed ventrad (Figs. 3 O–P).</p>Published as part of <i>Shih, Hsien-Tzung, Liang, Ai-Ping & Yang, Jeng-Tze, 2009, The genus Jembra Metcalf and Horton from Taiwan with descriptions of two new species and the nymph of J. taiwana sp. nov. (Hemiptera: Cercopoidea: Aphrophoridae), pp. 29-40 in Zootaxa 1979</i> on pages 33-36, DOI: <a href="http://zenodo.org/record/185235">10.5281/zenodo.185235</a>
Letter from Carl Hayden to P. J Moran
No full textLetter from Carl T. Hayden to P. J. Moran concerning the alignment of the road to Bright Angel Trail
Letter from P. J. Moran to Carl Hayden
No full textLetter from P. J. Moran to Carl T. Hayden inquiring when construction will begin on the approach road to Bright Angel Trail
Letter from P. J. Moran to Carl Hayden
No full textLetter from P. J. Moran to Carl T. Hayden inquiring when construction will begin on the approach road to Bright Angel Trai
Telegrams Between Carl Hayden to P. J. Moran, Democratic County Central Committee
No full textTelegram from Carl Hayden to P. J. Moran regarding the resignation of W. W. Crosby and his replacement J. R. Eakin
A 2 h periodic variation in the low-mass X-ray binary Ser X-1
No full textSpectroscopy of the low-mass X-ray binary Ser X-1 using the Gran Telescopio Canarias have revealed a ?2 h periodic variability that is present in the three strongest emission lines. We tentatively interpret this variability as due to orbital motion, making it the first indication of the orbital period of Ser X-1. Together with the fact that the emission lines are remarkably narrow, but still resolved, we show that a main-sequence K dwarf together with a canonical 1.4 M? neutron star gives a good description of the system. In this scenario, the most likely place for the emission lines to arise is the accretion disc, instead of a localized region in the binary (such as the irradiated surface or the stream-impact point), and their narrowness is due instead to the low inclination (?10°) of Ser X-1
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