Volume 1

The Fauna of British India, including Ceylon and Burma / edited by W.T. Blanford. Fishes. VolsI & II / by Francis Day.

Date:
1889
Catalogue details

Licence: Public Domain Mark

Credit: The Fauna of British India, including Ceylon and Burma / edited by W.T. Blanford. Fishes. VolsI & II / by Francis Day. Source: Wellcome Collection.

Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.

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    increases, and innumerable young swarm along the shores, while they are exceedingly numerous off the low coast and muddy seas of Burma. In fact I shall have to describe double the number of forms given by Klunzinger: Carcharias 17, Hemigaleus 1, Galeo- cerdo 2. Sy nopsis of Oenera. First group. Cabchahiina. Snout produced longitudinally. Teeth erect or oblique, with a single CUSX5, which has smooth or serrated edges. A pit at the base of the caudal fin. No spiracles !• Cabchabias. Spiracles small. Distinct labial folds. Teeth ser- rated or notched in the upper jaw. Caudal fin with a single notch 2. Hemigaleus. Spiracles small. Teeth serrated in both jaws. Caudal fin with a double notch 3. Galeocebdo. Second gl'OUp. ZTGiENINA. Head produced laterally into the shape of a hammer. Nostrils on front edge of head. Teeth oblique, with a single cusp, having sharp smooth edges. A pit at the base of the caudal fin. Spiracles absent 4. ZxaiENA. Third group. MtrsTEiiiNA. Teeth small, obtuse, or having a centi-al and one or two smaller lateral cusps. Spiracles small; labial folds well develoi)ed. Teeth obtuse. No pit at base of the caudal fin 5. MuStelds. No spiracles. A pit at base of the caudal fin 6. TniiENODON. First group. CAECHAEIINA. 1. Genus CARCHARIAS, MiiUer & Heule. Syn. ScoHodon, Aprion or Aprinodon, Physodon, Hypoprion, Piionodon, Miiller & llenlo; Priomce, Cantor ; Eulamia, Isoyoinphodon, Lamiopsis, Platypodon, JTypoprionodon, Isoplagiodon, and Cynocephalus, Gill. No spiracles. A pit before the root of the caudal fiii. Snout longitudinally produced. Mouth crescentic or angular; the labial fold or groove rarely extends beyond the angle of the mouth. Teeth erect or oblique, with a sharp more or less compressed cuusp, sometimes triangular, the edges of which may be serrated or smooth*. The first dorsal &i, destitute of a spine, is placed * In some forms these characters alter considerably with ngc.