1. PLATANISTA. 223 



are rather distant, the front rather longer than the others. In the 

 middle-age specimens, as that figured by Home (Phil. Trans, 1818, 

 t. 19, t. 20), the roots of the teeth are compressed and hoUow ; but 

 in the more aged animal they are much lengthened, solid, strong, 

 divided into irregular tubercles and sometimes even into large tuber- 

 culated lobes. 



1. Platanista Gangetica. The Sum. 

 Blackish-red colour, rather paler beneath. 



Delphinus Gangeticus, Lehech, N. Schrift. Berlin. Natur. iii. 280. t. 2, 

 1801 ; Home, Phil. Trans. 1818, 417. t. 20; Roxburgh, Asiatic Re- 

 searches, vii. 170. t. 5, 1811 ; Destn. Mamm. 513 ; Fischer, Syn. 506 ; 

 Cuvier, Reg. Anim. i. 278, 1817 j Oss. Foss. v. t. 22. f. 8-10; 

 Schlegel, Abhandl. 28. 



Delpliinorhynclius Gangeticus, Lesson, Man. 406 (from life). 



Platanista Gangetica, Gray, Illust. Incl. Zool. t. ; Zool. E. ^ T. 4:5; 

 Cat. Mamm. B.M. ; Cat. Cetac. B.M. 1850, 137 ; F. Ciw. Cetac. 252 ; 

 Blake, Journ. Asiat. Soc. Beng. 1860, 449 ; Blyth, Rep. Asiat. Soc. 

 12 ; Asiatic Researches, xii. Append, xxvi., xv. Append, xxxii. ; Cat. 

 3Ius. Asiat. Soc. Benq. 92 ; Reinhartlt, Trans. Roy. Acad. Sci. Copenh. 

 ii. 1851 ; Ann. t,- Mag. N. H. 1852, 161. t. 45. 



Delphinus Shawensis, Blainv. in Desm. Diet. H. Nat. ix. 153 (from 

 spec, m Mus. Coll. Surg.), 



Delphinus rostratus, Shatv, Zool. ii. 514, 1801 (from spec, m Mus. Coll. 

 Surg.); Home, Phil. Trans. 1820, t. 20, 



Platanista, Lesson. 



Sum, (Euvr. Btiffon, i. 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). 



Inhab, India. Ganges and Brahmaputra with their tributaries 

 (Blyth). Pegu, Irawaddi (BlaJce). 



a. Stuffed specimen. India. Ganges. 



b. Stuffed specimen : younger. India, Ganges. 



c. SkuU : end of nose entirely straight : young. India, Ganges. 



d. Skull: end of nose recurved. India. Presented by Gibson 



Rowe, Esq. 



" They generally appear in theHougly when the fuU-grown females 

 are pregnant. The embryo before birth is 14 or 15 inches long. 

 The stomach was filled with a quantity of small fish and shrimps." — 

 Ann. Sf Mag. N. H. 1852, 288. 



" There are three stufi'ed specimens (an adult male, a young and old 

 female) and two skulls (male and female) in the Museum of the 

 Asiatic Society of Calcutta, and a fine series of skeletons in the 

 Museum of the Calcutta Medical College." — Blyth. 



" The Snsu abounds in the river Hougly ; it is extremely difficult 

 to procure, at least in the vicinity of Calcutta, and too often when 

 taken the captors saw off the rostrum." — Blyth. 



" In what I believe to be the skull of an adult male, the sym- 

 physis of the lower jaw measures 17 inches, in the adult female only 



