66 DELPHINIDiE. 



b. Skull small, rathet- spmgy. Teeth small, slender, attenuated, about four 



or five in an inch of the length of the margin of the jaw. 



* Beak of the skull elongate, compressed, much attenuated and acute in 



front. Teeth four in an inch. 



4. Steuo capensis. B.M. 



Steno capensis, Oray, I. c. p. 394. n. 4*; Synops. Whales Sf Dolph. p. 5. 

 Inhab. Cape of Good Hope. 



5. Steno lentiginosus. B.M. 



Steno lentiginosus, Gray, I. e. p. 394. n. 4**; Synops. -Whales ^ 

 Dolph. p. 5 ; Owen, Trans. Zool. Soc. vi. t. 5. f. 2, 3. 



Inhab. India (TF.J^ZZioi). Skull, B.M. 



1. Steno roseiventris, Gray, Cat. S. 8f W. p. 233. no. 2. 

 Inhab. Moluccas. Skull not seen by me. 



** Beak d' the skull short, compressed, much attenuated and acute in front. 

 Teeth five in an inch. Flesh-coloured. Fluviatile. Tucuxa. 



6. Steno tucuxi. B.M. 



Steno tucuxi, Gray, I. c. pp. 236, 394 ; Synops. Whales ^ Dolph. p. 5. 

 Inhab. Brazil, river Amazons, 1500 miles from the sea (Bates).. 

 See also S. (?) Jluviatilis and S. (?) pallidas. Gray, I. c. p. 237 ; 

 same locality, if distinct. 



*** Beak of the skull elongate, rather depressed, broad, slightly compressed 

 on the sides. Teeth small, five in, an inch. Stenella. 



7. Steno attenuatus. B.M. 



Steno attenuatus, Gray, I. c. pp. 235, 395 ; Syn. Whales ^ Dolph. p. 5. 

 Inhab. India. 



The beak of the skull flattened (Zool. E. & T. t. 28). 

 This section is nearly intermediate between Steno and Clymenia. 



8. Steno fuscus. B.M. 



Steno fuscus, Gray, Synops. Whales {^ Dolph. p. 6, t. 26. f. 1. 

 Only known from a foetus in spirits. 



2. Steno P brevimanus, Gray, Cat. S. ^ W. p. 236. 

 Inhab. Banda, Singapore. Teeth - 



3. Steno ? coronatua, Gray, Cat. S. ^ W. p. 238. 



Inhab. Spitzbergen {Ereminville). Not seen since 1806, and no 

 remains of it in any museum. 



