Lesson and Garnot, Voyage de la Coguille. 128 
the common species in various particulars, and especially in the disposi- 
tion and number of its teeth, These in the iudividual examined were 
only thirty-six in number, whereas in the Sus Scrofa they are forty-four ; 
in the Sus Papuensis they may, however, amount to forty, as it seemed 
probable, from the appearances observed behind the last molar of each 
jaw, that the rudiments of a sixth molar were contained within the bone. 
The tusks, as noticed in the specific character, are not longer than the 
other teeth, and their sockets, although higher, are not directed out- 
wards. The absence of these formidable organs, some resemblance in 
form, and the shortness of the tail, indicate, aceording to MM. Lesson 
and Garnot, the passage from the genus Sus to the Peccaries. But there 
is no organ analogous to the dorsal gland of the latter animals, nor is 
there any unpleasant odour ; each foot also possesses four hoofs. Its 
length is three feet, and its height nineteen or twenty inches, It is very 
common in the forests of New Guinea, and furnishes an agreeable ali- 
ment. ’ 
Numerous Cetacea were observed during the voyage, and remarks on 
these form the subject of the fourth chapter. Many of them were pro- 
cured for examination, and among these were several species of Delphi-~ 
nus altogether new to science, and others hitherto imperfectly understood. 
Near the Falkland Islands was obtained the Delphinus bivittatus, a new 
species with the upper parts of a deep shining black, and the under parts 
white, aad marked along each side by a broad satiny white stripe, which 
is interrupted, and becomes broader, opposite to the dorsal fin. In se- 
veral parts of the South Seas occurred the species described by Lacépéde 
and Desmarest as the Delph. Peronii, the Delph. leucoramphus of the 
able naturalist whose name is commemorated in its trivial appellation. 
Owing to the absence of the dorsal fin, this animal is necessarily referable 
to the genus Delphinapterus. It is nearly six feet long, and has thirty- 
nine teeth on each side of either jaw. The Delph. albigena of MM. 
Quoy and Gaimard, suspected by these authours to be a variety of their 
Delph, cruciger, was also observed in the same seas, and proves, accord- 
ing to MM. Lesson and Garnot, to be a distinct species, to which they 
give the name of Delph. superciliosus, In the Bay of La Concepcion, 
on the coast of Chili, exists in great numbers another new species, Delph. 
lunatus, of a light fulvous brown above, which gradually melts into the 
