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.

    49/574 (page 25)
    26. (1.) Trisenodon oMusus*. (Fig. 6.) Trirenodon obtusus, Day, Fish. India, p. 720, pi. clxxxix, fig. 8. Snout short and rounded, the distance between the mouth and the end of the snout about half the width of the mouth. Nos- trils nearer end of snout than the mouth, each with a flap. Eye of moderate size. Gill-openings rather wider than the orbit. No spiracle. Teeth—with one central and a small lateral cusp on each side. Fins—the first dorsal commences behind the inner angle of Fig. 6.—Tri(Bnodon obtusus. the pectoral and the base does not extend to above the ventral. Second dorsal not quite half as large as the first and situated aboA^e the anal. Pectoral reaches to below the middle of the first dorsal; caudal fin nearly \ of the total length. Gohui—dark abo\e, becomiug lighter beneath. Hah. A young male, nineteen inches in length, was obtained at Kurrachee. Family II. LAMNIDiE. Spiracles, if present, minute. No nictitating membrane. Mouth inferior and crescentic. Nostrils not communicating with the mouth. Pirst dorsal spineless, and placed opposite the interspace between the pectoral and ventral fins; an anal fin present. Synopsis of Indian Genera. A keel along the side of the tail 1. Lamna. No keel along the side of the tail. Caudal fin less than one third total length 2. Odontaspis. No keel. Caudal fin nearly one half total length 3. Alopiah. * Trianodonobesus (Cnrc/<arins), Eiippell, N.W. Fisclio, p. 04, pi. xviii, f. 2.— Snout, very short and obtuse. No-strils witli a short tentacle, /''m.s—first dorsiil close to the root of the ventral ; the second upwards dC half the size of the first and opposite the iinal. Sunnnits of dor.sal and caudal lins white. Hub. Bed Sea ; east coast of Africa ; New Hebrides; and probably off India.