Mr. O. Thomas on new African Mammalia, 339 
No. of Net, &e. 
oj. Noy. 21. 1510 fath. 
Conchecia hyalophyllum, Claus. Many. 
Conchecia imbricata, Brady. Several. 
Conchecia spinirostris, Claus. Several. 
ok, oe 1610 fath. 
Concheecia hyalophyllum, Claus. Many. 
Conchecissa cucullata, Brady. 1. 
Mucroconchecia Clausit, var. similis? Several. 
51, # 1710 fath. 
Conchecia imbricata, Brady. 8. 
Conchecia porrecta, Claus. Several. 
Lat, 52° 20'N. 
Long. 15° 7"'9 W. 
6a. Nov. 22. 150 fathoms. 
Conchecia magna, Claus. Many. 
Conchecia spinirostris, Claus. Several. 
Gd. - 230 fath. 
Asterope? sp. 1. 
Conchecia? sp. 1. 
6c. AA 310 fath. 
(Immature forms.) 
6d. on 375 fath. 
(Mostly immature and indeterminable.) 
Gf. re 510 fath. 
Conchecia hyalophyllum, Claus. Many. 
Conchecia imbricata, Brady. Several. 
Conchecilla lacerta, B.& N. 1. 
69. a 560 fath. 
Conchecia hyalophyllum, Claus. Several. 
Conchecia imbricata, Brady. Several. 
Conchecilla lacerta, B. & N. 1. 
XXX.—WNew African Mammalia of the Genera Petrodromus, 
Dendromys, Mus, and Lepus. By Ouprirtp THomaAs. 
I.—PETRODROMUS. 
Among some further mammals presented to the National 
Museum by Commissioner Sir Alfred Sharpe, K.C.M.G., 
are some examples of a Petrodromus which, on comparison 
with the ordinary 8. Nyasan P, tetradactylus, proves to be 
distinct. It may be called 
Petrodromus venustus, sp. n. 
Kssential characters of size, skull, and structure of caudal 
hairs as in PL. tetradactylus, but coloration different in several 
respects. Median dorsal area for a breadth of about 11-14 
22* 
