122 
HYSTR1CIM. 
e. Echimyna. 
The Cucurrito or the Degus. Octodon Degus. O. 
Cumingii, Bennett , Proc . Z. S. 1832, 46. Trans . Z. S. 
ii. 81. t. 16. Waterh. Voy . Beagle , t. 33. f. 24. teeth. 
Dendrobius degus, Meyen, Act. N. Cur . xvi. 610. t. 44. 
Sciurus degus, Molinii? Callomys aureus, Orbign. 
Myoxus gelatinus, Popp . 
a . and 5. Chili ; on trees.— Presented by Sir William Bur- 
nett and Capt. Fitzroy, R.N. 
The Ground Pig. Aulacodus Swinderianus. Temm. 
Monog . i. 248. t. 25. Bennett , Proc . Z. N. Callomys 
aureus, Kaup. 1832, 1210. 
a. South Africa, Port Natal. — From Dr. Krauss’s Col- 
lection. 
The Red-tailed Echimys. Echimys myosuros, I. Geoff. 
E. albispinus, I. Geoff. Mag. Zool. 1840, 53. t. 26. and 
t. 29. f. 1, 2, 3. Loncheres myosuros, Licht. Berl. 
Trans. L. longicaudatus, Renger. Mus leptosoma, 
Licht. Saught . and Mus cinnamomeus, Licht . Saught. t. 
36. f. 2. 
b. and c. No tail. Tropical America, Bahia. 
d. and e. Complete. Tropical America, Bahia. 
/. and g , its skull. Tropical America, Bahia. 
a. No tail, spines rather broader. Tropical America, 
Bahia. 
The Rock Mouse. Petromys typicus, A. Smith , S.Afric . 
Quart. Jour . i. 146. Illust . Zool.Afr. t. 20, 21. 
a. S. Africa, Namaqua. — From M. Verreaux’ Collection. 
b. S. Africa, mouth of the Orange River. — From the 
South African Museum. 
Fam. 2. HYSTRICIDiE. Case 33. 
a. Hystricina. 
The Porcupine. Hystrix cristata, Linn. Buffon , H. N. 
xii. t. 51, 52. Blumb. Abbild . t. 81. Mam. Lithog. t. 
a. North Africa. 
b. Young. 
