394 ADDITIONS AND COHEECTIONS, 



After Steno compressus, (at page 235) add : — 



4*. Steno Capensis. 

 The beak of the skiill elongate, rather compressed, tapering and 

 more compressed in front. Teeth '^f^, small, slender, about five in 

 an inch. Lower jaw slender, attenuated, and without any gonyx in 

 front; the symphyses nearly one-fifth the length of the jaw. 



" Delphinus obsciirus, Grat/," Cat. S. A. Museum. 

 Steno Capensis, Grai/, P. Z. S. 1865, 522. 



Inhab. Cape of Good Hope (Capt. Carew, South- African Museum). 



Length of the skull 16, of beak from the notch 10, of the lower 

 jaw 13, of symphyses 2| inches ; width of the beak at the notch 3|, 

 of the brain-case at the hinder part of the orbit 6| inches. 



The skull is somewhat like that of Steno attenuatus in the British 

 Museum ; but the beak of the skuU is long-er compared with the size 

 of the brain-case, and it is more gradually attenuated and slender, 

 and higher in front. 



4**. Steno lentiginosus. 

 Beak nearly half as long again as the brain-ease, depressed at the 

 base, compressed at the end. Teeth gl^, about four in an inch. 

 Triangle far in advance of the notch. 



Delphinus (Steno) lentiginosus, Owen, Trans. Zool. Soc. vi. 

 Inhab. Indian Ocean. 

 a. Skull, from India, Vizagapatam. Presented by Walter Elliot, 

 Esq., of Wolfslee. Brain-case 8, beak 11 inches ; symphyses of 

 lower jaw one-fourth of the entire length of jaw. 



4***. Steno ? Gadamu. 



Beak of skull depressed. Intermaxillary bones half as wide as the 

 beak, hard, polished. Triangle one-half in front of the notch, about 

 one-fifth longer than the width at the notch. Teeth large, conical, 

 |i^, about three in an inch. Lower jaw slender, rather bent up in 

 front, without any gonyx. 



Delphinus (Steno) Gadamu, Otcen, Trans. Zool. Soc. vi. 

 Inhab. Indian Ocean. 

 a, b. Skull, without back part. Vizagapatam. Presented by Walter 

 EUiot, Esq., of Wolfslee. 



Steno attenuatus (page 235). 



The skulls from Mrs. Ince and Mr. A. Pearson are not in good 

 condition, and the beaks are more depressed in front and not so 

 compressed, more like Delphinus, or rather Clymene. 



