CETACEA. 137 
17. PLATANISTA. 
Head convex, beak compressed, curved up at the end; teeth 
compressed ; dorsal none ; back keeled im the place of the fin, and 
sbliquely truncate behind ; pectoral fan-shaped, truncated. 
Jatanista, Pliny ; “ Cuvier, 1829,” fide Lesson, Tab. Reg. Anim. 
198; Wagler, N.S. Amph. 35, 1830; Gray, Illust. Ind. Zool. 
Platanistina, Gray, Zool. Ereb. & Terr. (misprint). 
Susu, Lesson, Euv. Buffon, i. 215, 1828; Tab. Reg. Anim. 198. 
Delphinorhynchus, sp. Lesson. 
Delphinus, sp. Ledeck. 
_ There is a head of a young specimen in the Anat. Mus. Univ. 
Edin. Knox Cat.n.105. The reflexed portion of the maxillary 
bones only partially developed ; their mner sides are cellular and 
radiately ridged with a ragged edge. 
As the animal increases in age, the ends of the jaws become 
more turned up, and the teeth enlarge and become thicker at tlie 
base. 
. Puaranista Gancetica. The Sov Sov. 
- Blackish lead-colour, rather paler beneath. 
Delphinus Gangeticus, Lebeck, N. Schrift. Berlin, Natur. wi. 
— 280. t. 2; Home, Phil. Trans. 1818, 417. t. 20; Roxburgh, 
Asiatic Researches, vii. 170. t. ; Desm. Mam. 513; Fischer, 
| Syn. 506; Cuvier, Oss. Fos. v. t. 22. f. 8-10. 
Delphinorhynchus gangeticus, Lesson, Man. 406. . 
Platanista gangetica, Gray, Illust. Ind. Zool. t. 3 F. Cus. 
_ Cetac. 252; Gray, Zool. E. & T. 45; Cat. Mam. Brit. Mus. 
Delphinus Shawensis, Blainv. in Desm. Dict. H. Nat. ix. 153, 
_ from spec. in Mus. Coll. Surg. 
D. rostratus, Shaw, 514, from spec. in Mus. Coll. Surg.; Home, 
_ Phil. Trans. 1820, t. 20. 
Platanista, Lesson. 
Susu, (uv. Buffon, 1. 215. t. 3. f. 3, 1828. 
Platanista, Plin. Hist. Nat. ix. ch. 15. 
Dauphine du Gange, Cuvier, Oss. Foss. v. t. 22. f. 8, 10, from 
_ spec. Shaw. 
mhab. India, Ganges. 
a. Stuffed specimen. India, Ganges. 
6. ” a Younger. India, Ganges. 
_¢. Skull: end of nose nearly straight, young. India, Ganges. 
d. ,,  endof nose recurved. India. Presented by Gibson 
Rowe, Esq. 
