24 PROFESSOR OWEN ON INDIAN CETACEA. 
It was taken off the coast of Madras, and is known to the fishermen there as the “ Po- 
meegra.” It is of a very deep plumbeous shining colour, almost black, with a rather 
lighter shade at the under part of the belly. Mr. Elliot, who was indebted to Mr. Blyth 
for the specimen, notes it as “a small Cetaceous species;” but the length is not given. 
The proportions of the snout, of the rictus oris, of the fins, and the form of the forehead 
(which rises from the base of the snout with a low convexity) are characters in which the 
D. pomeegra resembles the D. longirostris, Gray. It chiefly differs in the larger propor- 
tional size and smaller number of the teeth, viz. a Ts. The blow-hole is crescentic, 
and on the same vertical parallel as the eye. The body enlarges more gradually to the 
origin of the dorsal fin than in D. forsteri, the greatest circumference being at the fore part 
of that fin. It is more slender in proportion to its length than any of the above-described 
fusiform Dolphins belonging to the subsection Steno, Gray. ‘The symphysis mandibule 
(Pl. VIII. fig. 4) is less than jth the entire length of the ramus. The hinder half of the 
palate (ib. fig. 2), is widely and deeply channelled on each side. This is, however, but an 
extension of the modification already pointed out in the hind part of the palate of D. ga- 
damu (Pl. IV.), and it is subject to varieties in species which, from the brevity of the 
mandibular symphysis, the great number and small size of the teeth, and the transversely 
convex rising of the premaxillaries along a considerable part of the rostrum, would be 
retained among the Delphini as restricted by Dr. Gray. In Delphinus euphrosyne, e. g. 
(Pl. VIIL fig. 5: no. 15, p. 251, ‘Catalogue of Cetacea in the Br. Mus.’), the hinder middle 
tract of the bony palate is not longer, deeper, nor more convex transversely than in Steno 
and Lagenorhynchus, and the lateral channels show the same proportions as in the latter 
subgenus. The prominent mid tract of the palate is too broad and obtusely convex to 
be regarded as a “ridge,” in any species of Delphinus proper that has come under my 
observation. 
Sp. dub. DELPHINAPTERUS MOLAGAN, Owen. 
Mr. Elliot writes, “I have (or rather ‘ had,’ for I cannot find it) a drawing of a small 
Cetacean, copied from one made in the Chief Engineer’s Office at Madras for Col. 
Monteith, which was taken from an individual, 32 inches long, of a uniform black 
colour, with a rounded obtuse head, small mouth, and no dorsal. The Tamil fishermen 
called it ‘ Molagan.’”’ 
Genus Puocamna, Cuvier. 
Puocana (Orca, Gray, Reinhardt) BREVIROSTRIS. Owen. 
Short-snouted Porpoise (skull). (Pl. IX. figs. 1, 2, 3.) 
Of this Cetacean I possess only the cranium; but, as it presents the characters of 
maturity, it is too small for the species represented by the drawings already described, 
