CETACEA. 125 
__ “Gregarious, swimming very rapidly around the ships and 
boats. 
“Length 6 feet from nose to tail.”’—Forster. 
This species resembles, in the distribution of its colouring, 
the Dauphin a band fauve (Voy. Pole Sud), but the band on the 
side is whitish, not fulvous. 
20. DELPHINUs Sao. The Sao. 
Skull: beak elongate, shelving on the sides, with central car- 
_ tilage near half its length in front; triangle to the teeth-line; 
_ teeth $2-$2, small, cylmdrical, hooked ; palate flat in front, with 
a broad groove extending nearly half its length behind; inter- 
_ mazxillaries and palatine distinct, former broad in front; lower 
_ jaw slender, shelving, and flat-sided in front. Length 17:0, 
_ teeth-line 8°9, beak 10°6, width at notch 3°7. 
, Inhab. Madagascar, Dussumier, 1838. Skull, Mus. Paris. 
_ tt Beak of skull twice as long as the brain-cavity. Teeth 33-80. 
_ 21. DELPHINUS LoNGIROsTRIS. The Care DotpHin. 
Black; dorsal fin large, high; teeth $3-82; nose 2 of entire 
length; skull nearly 34 times the length of its breadth at the 
notch. 
_ Delphinus longirostris, Gray, Spic. Zool.t. ; Cuv. R. A. i. 
288, from Dussumier, MSS. Schlegel, Abh. t.1, 2 & 4. f. 1, 
from skull of Brooks, Faun. Japon. t. 24; Gray, List Mam. 
_ B.M.105; Zool. Erebus & Terror, 42. 
_ D. Capensis, Gray, Spic. Zool. nu. t. 2. f..1, not Cuv. nor Rapp. 
_ Inhab. Southern Ocean. Cape of Good Hope, Gray. Japan 
and Ceylon, Schlegel. Malabar, Dussumier. 
___ a. Stuffed specimen. Cape of Good Hope. Presented by the 
_ Trustees of the College of Surgeons. The specimen figured and 
_ described in Spic. Zool. and Zool. E. & T. 
Lengthy entane 3.17: 2p. Sesto 2. 81 
pple SONIC! 4oft a ed ar dieu - 
»  toangleofmouth.... 13 
e tal wWere Sint. idee: i+ 
cy te anesal fi on .osla.s 38 
ps x boqpectoral: fin. ...« ces 21 
wis oho se bf acon ux 12 
Pesan pectoral, aioe. x00 13 
Breadth of pectoral .......... 5 
bs Oh tall. 2ah3. 282 she 26 
Circumference .............. 42 
