Micronesian Gastropods — Demond 
333 
from the east African coast (including the Red 
Sea) eastward through the Indian and Pacific 
oceans to the Society and Tuamotu islands; 
and from southern Japan and Hawaii south 
to northern Australia and New Caledonia. 
Uncommon in Micronesia. 
Conus vitulinus Hwass, 1792. 
Tinker (1952) p. 36, fig. on p. 37; Morris 
(1952) p. 202, col. pi. 7, fig. 17. 
Characteristically 1 to 2.25 inches long. 
Ordinarily lives among rocks and in tide 
pools on seaward reef flats. Also reported 
from lagoon reef flats. 
GEOGRAPHIC range: USNM collections 
and published records indicate this uncom- 
mon Indo-Pacific species to be distributed 
from Madagascar and Mauritius eastward 
through the Indian and Pacific oceans to the 
Society and Tuamotu islands; and from south- 
ern Japan and Hawaii south to northern Aus- 
tralia and New Caledonia. 
Family TEREBRIDAE-Auger Shells 
Genus Terebra Bruguiere, 1789 
Terebra crenulata (Linne, 1758). 
Hirase and Taki (1951) pi. 116, fig. 10; 
Tinker (1952) p. 10, 3 figs, on p. 11; 
Kira (1955) pi. 38, fig. 16. 
Characteristically 5 to 6 inches long and 
whitish or fawn-colored with crenulated su- 
tures. 
Ordinarily lives buried a few inches in the 
sand of lagoon shelves, in quiet shallow water, 
or in intertidal lagoon sand flats. 
geographic range: According to USNM 
records this common Micronesian species is 
distributed from Cocos-Keeling Atoll east- 
ward through the Pacific to Palmyra Atoll and 
Samoa, and from southern Japan south to the 
New Hebrides. Reported from the Red Sea, 
Persian Gulf, and Madagascar through the 
Indian and Pacific oceans to the Tuamotu 
and Marquesas islands, from Hawaii, and 
from northern Australia. 
Terebra dimidiata (Linne, 1758). 
Hirase and Taki (1951) pi. 116, fig. 3; 
Tinker (1952) p. 14, fig. on p. 17; Kira 
(1955) pi. 38, fig. 17. 
Characteristically 4 to 6 inches long, white 
with squarish orange markings on each whorl, 
and with a distinct spiral groove below each 
suture. 
Habitat similar to that of T. crenulata . 
geographic range: USNM collections of 
this common Micronesian Terebra range from 
Mauritius eastward through the Indian and 
Pacific oceans to the Hawaiian and Tuamotu 
islands, and from the Ryukyu Islands south 
to the Solomon and Fiji islands. It is reported 
from East Africa, Madagascar, the Seychelles, 
and Ceylon, from southern Japan, and from 
northern Australia. 
Terebra felina (Dillwyn, 1817) (syn. tigrina 
Gmelin 1791 [in part]). 
Hirase and Taki (1951) pi. 116, fig. 9; 
Tinker (1952) p. 22, 2 figs, on p. 23 [as 
T. tigrina Gmelin]; Morris (1952) p. 198, 
pi. 40, fig. 7 [as T. tigrina Gmelin]. 
Characteristically less than three inches long 
and white with orange-brown spots and in- 
cised spiral grooves below each whorl. 
The only specimen in the recent Microne- 
sian collections was found living in shallow, 
quiet water on the sandy lagoon shelf of 
leeward Ifaluk. 
geographic range: USNM collections are 
from the Ryukyu, Philippine, Caroline, and 
Marshall islands. Reported from East Africa, 
the Seychelles, Madagascar, Mauritius, New 
Caledonia and the Loyalty Islands, from Ha- 
waii, and from northern Australia. Uncom- 
mon in Micronesia. 
Terebra guttata (Roding, 1798) (syn. oculata 
Lamarck, 1822). 
Hirase and Taki (1951) pi. 116, fig. 2 (as 
T. oculata Lamarck); Tinker (1952) p. 
12, fig. on p. 13 (as T. oculata Lamarck); 
Kira (1955) pi. 38, fig. 20. 
