144 Scientific Intelligence. 
ico and Texas—sole representative of the family Viverride, 23 Mustelida, 
and 5 species of Urside. This is exclusive of several species established 
by previous a but which Prof. Baird has, with much judgment, re- _ 
duced to the rank of local varieties—such as the Canis nubilus of Say, — 
and the Felis seiecbets of Horsfield and Vigors. ” 
The Marsupialia in the northern portion of the American continent 
are Ree by two species of the gems Didelphis, commonly known 
as ‘ Opossums 
my views, but in opposition to those of Professor Brandt, are gone, 
together, next follow, and are considered by Professor Bai rd as “one of 
the most natural families of Rodentia, although the component genera 
United States. Two Porcupines of ‘the North American form Hrethizon 
are the only Hystricide met with in this part of the world; but there 
‘Antilles pi apincies are enumerated, as appertinent to the fauna of the 
are no less than 52 Muride of varied forms; and 13 Hares and Rabbits, 
' j Alto- 
gether, , 
plays a most important part as regards numbers, ee 130 species 
—more than half the whole number of Mammals known to occur. 
The order Hdentata is represented within’ the limits of the United : 
States by a single straggling species of Armadillo, which occurs within ae 
the confines of Texas, and is somewhat doubtfully referred to the Dasypus z 
novem-cinctus of ca nnzeus 
The Pachyderms have also but a single ——-* the Collared 
Peceary, Dicotyles torquatus, which, it is remarked, “has a m 
— mh = than is eueore - ape ea erect —_ 
rth i 
their distinctness is questionable. 
c accurate investigations should be made as to the difference 
3 inter se, and with the European &. pe ed which is said to 
vhat 
=aemceeh ene variations, The genus Cervus and its : 
are represented by no an h are said | 
the ; 
