1. PLA.TANI8TA. — 3. PONIOPOEIA. 13 



6. Articulated skeleton ; young male. (344 c — 74. 6. 1. 1.) 



River Hughli, near the Botanical Gardens, Dec. 25, 1865. 



Keceived through Dr. J. Anderson. 



c. Skull ; adult. (344 6—43. 8. 18. b.') 



Gibson Eowe, Esq., 1843 [P.J. 



d. Skull; young. i (344a.) 



From the Ganges. 



e. Skeleton (imperfect) ; young. (1646 a— 74. 4. 13. 4.) 



From the Indus. Sir W. Merewether, K.C.S.I., 1874 [P.]. 



/. Cast of the dentary portion of the upper and lower jaws, with 



the teeth, of an aged animal. (84. 5. 3. 1.) 



Royal College of Surgeons of England, 1884 [P.]. 



From the specimen, now in the Museum of the Royal College 



of Surgeons, described and figured by Dr. Roxburgh, Asiatic 



Researches, vii. p. 170 (1801). 



g. Articulated skeleton ; immature. (84. 3. 29. 1.) 



Calcutta. R. A. Fayrer, Esq., 1884 [P.] 



Subfamily INIINtE. 



2. INIA. 



Inia, D'Orhigny, N. Ann. Mm. Paris, iii. p. 31 (1834). 



1. Inia geoffrensis. 



Inia geoffrensis, BlaintiUe, N. Diet. d'Hist. Nat. ix. p. 151 (1817). 



a. Articulated skeleton ; young. (1169 c — 66. 6. 3. 1.) 



Upper Amazon, above Nauta, Peru. 



Mr. E. Bartlett. Purchased, 1866. 

 Described and figured in Trans. Z. 8. vol. vi. pla. 25, 26, & 27. 



6. Skull. (1169 a— 56. 8. 2. 1.) 



Ega, Upper Amazon. Bates Collection. Purchased, 1856. 



c. Skull. _ (1169 6.) 



Ega, Upper Amazon. Bates Collection. Purchased. 



Subfamily PONTOPOEIIN^. 



3. PONTOPORIA. 



Pontoporia, Gray, Zod. Ereh. ^ Terr. p. 46 (1846). 



1. Pontoporia blainvillii. 



Delphinus blainvillei, Gervais, Bull. Soc. Philom. Pcu-is, ISii, p. 39. 



