528 Mr. O. Thomas on Mammals 
In reference to Mr. Howell’s suggestion * that the Pata- 
gonian skunk (Conepatus Humboldti) ought to be generically 
separated from the other members of the group, and that 
these should be called Thiosmus, it may be pointed out 
that Marputius, Gray, being of the same date as Conepatus, 
would equally antedate Zhzosmus and be available for the 
present group. Its type was what Gray called ‘ Mephitis 
chilensis, Geoff.” ; but his specimen (B.M. 68a) proves to 
be not the Chilian skunk (Conepatus chinga, Mol.), but the 
Brazilian one and the actual type of Lichtenstein’s Mephitis 
amazonica ft. 
8. Nectomys squamipes, Brants. 
So 
9. Oryzomys subflavus, Wagn. 
672. 9. 22nd May. 
This specimen closely agrees with an example from Lagoa 
Santa, determined by Winge as “ Calomys laticeps,” the 
Mus vulpinus of Lund, nec Brants, renamed vulpinoides by 
Schinz {; therefore a topotype of that species. But it also 
precisely agrees with Wagner’s “ Hesperomys subflavus”’ §, 
described two years before Schinz’s name was published, of 
which I have examined the type in the Munich Museum. 
So close is the agreement that my measurements of the 
typical skull might almost have been taken on Mr. Robert’s 
specimen. ‘The name vulpinoides will therefore become a 
synonym of subflavus. 
The relationship of this species to O. anguya, Desm., 
remains to be settled when topotypes of the latter are obtained 
from Paraguay. 
10. Oryzomys lamia, sp. n. 
49,29. May to July. 
A fairly large species, of a beautiful ochraceous-buff 
colour. 
* N. Am. Faun. no. 20, p. 20, footnote (1901). 
+ Apropos of the name Conepatus zorilla given by me to a Peruvian 
skunk (Ann. & Mag. Nat. Hist. (7) v. p. 217, 1900), I find that the specific 
name is rendered invalid by “ Mephitis zorilla,”’ Fisch. Syn. Mamm. 
p- 162 (1829). The term seems to have been applied to the skunk of 
the Orinoco, no doubt a Conepatus, independently of its earlier use for 
members of other allied genera. To keep the same general sound I 
would propose to use the local Spanish name as a substitute—Conepatus 
Zorrino. 
t Syn. Mamm. ii. p. 198 (1845). 
§ Wagn. Schr. Saug. Suppl. ii. p. 534 (1845). 
