40 Mamin. 
MAMMALIA. 
SPALACIDiE. 
Heterocephalus phillipsi and glaber : Thomas (314), notes on the two 
species and their differences. H. phillipsi , sp. n, Thomas (313), p. 612, 
from Somali-land. 
Genus incertje sedis. 
Myopotamus paranensis , sp. n., Ameghino (12), p. 40, fossil from 
Argentine Oligocene. 
HYSTRICOMORPHA. 
Chinc.hilltd.ze. 
Amblyrhiza inundata , quadrans, and latidens. Cope (69), descriptions 
of remains from a bone cave in the Island of Anguilla, West Indies. 
Gtenodactylus gundi. Lataste (180c), correction of an error as to its 
dentition ; the author shows that, like its allies Pectinator and Petromys, 
Gtenodactylus is provided with four molars, one of which is a premolar. 
Dasyproctid.®. 
Ccclogenys taczanowsJcii, sp. n., Stolzmann (301), p. 161, from Ecuador. 
Genera incert2e sedis. 
Caviodon multiplicatus, g. & sp. nn., p. 65; Gardiodon marshii, p. 61, 
and leidyi, p. 64, g. & spp. nn.; Cardiomys cavinus, g. & sp. nn., p. 59; 
Procardiatherium simpliciclens , p. 55, and crassum , p. 58, g. & spp. nn. ; 
Cardiatherium petromm , p. 50, denticulatum , p. 51, and minutum, p. 51, 
spp. nn. ; Procavici mesopotamicci , g. & sp. nn., p. 66 : Amegiiixo (12), all 
fossil from Argentine Oligocene. 
DUPLICIDENTATA. 
Leporjd^:. 
Lepus timidus : Landois (174) on its breeding in captivity. L. net- 
scheri figured ; Snelleman (297). 
Genera incert^; sedis. 
Paracloxomys cancrivorus , g. & sp. nn., p. 68; Megcimys depressidens, 
p. 30, holmbergi, p. 31, Icevigatus , p. 33, and racedi, p. 34, spp. nn.: 
Ameghino (12), fossil from Argentine Oligocene. 
Malacomys edwcirdsi, sp. n., Rochebrune (269), p. 87, River Mellacoree, 
W. Africa. 
