SPECIES OF HETEROPODA OBTAINED BY THE CHALLENGER. 
Family Pteroteacheid as. 
Off Banda, September 29, 1874. 
North Atlantic, January 28, 1873. 
Off Boston, U.S. 
South Atlantic, March 2 and 3, 1876. 
Off Arrou Island, September 23, 1874 
North Pacific, July 4, 1875. 
Near Papua, September 15, 1875. 
North of Papua, at bottom. 
,, (?) jun., North of the Admiralty Islands, March 16, 1875 
lamarcki (?) jun., Station 84, at bottom. 
Pterotrachea, n. sp. (?) 
(?) 
(?) 
Firoloida desmaresti, 
Cardiopoda placenta, 
„ sp. jun., 
Carinaria cristata, . 
Also Station 218, 
Carinaria, n. sp. (?), 
„ sp. fry, . 
„ sp. jun., . 
North Atlantic, January 28, 1873. 
Station 24, at bottom. 
Station 185, at bottom. 
Atlanta peronii, 
Atlanta injlata, 
Atlanta lesueurii, 
Atlanta gaudichaudi, 
Atlanta soideyeti, 
Family Atlantid^e. 
Stations 1 23, 24, 33, 75, 78, 85, 120, 122, at bottom. 
Also at surface, near Cape York, August 25, 26, 1874; 
North of New Guinea, February 1875 ; Pacific, July 12, 
21, 1875 ; Mid-Pacific Ocean, September 6, 1875. 
Stations 33, 85, 104, at bottom. 
Stations 23, 33, at bottom. 
Station 185, bottom. Also at surface, West Pacific, 
February 1875. 
Stations 23, 24, 33, 75, 78, 85, 120, 122, at bottom. 
1 Stations 23, 24, 33, 75, 78, 84, and 85, are North Atlantic ; 120 and 122, South Atlantic ; Station 185, Torres 
Strait, North Australia. 
