30. 
ol. 
39 
. (Orobia) casca. Gould. Ovolau 
Isl., Fiji Isls. 
. (Geotrochus) catinus. Pfeiffer. Ad- 
. miralty Isls. 
_ (Xesta) capitanea. Pfeiffer. San 
Christoval Isl., Solomon Isls. 
(Microcystis) chimmoi. Pfeffer. 
Sunday Isl., Kermadee Isls. 
. (Hyalina) cimex. Pfeiffer. Lord 
Howe’s Isl. 
. (Geotrochus) cineracea. Homb et 
Jacq. Hammond Isl., Solomon Isls. 
. (Geotrochus) cleryi. Recluz. San 
Christoval Isl., Solomon Isls. 
. (Patula) complementaria. Mousson. 
Upolu Isl., Navigator’s Isls. 
. (Trochomorpha) concentrica. Guill. 
Tonga Isl., Friendly Isls. 
. (Geotrochus) coniformis. erussae. 
Louisade Isls. 
. (Trochomorpha) costulosa. Pfeiffer. 
Ysabel Isl., Solomon Isls. 
(Geotrochus) coxianus. Angas. 
Louisade Isls. 
. (Discus) cressida. Gould. Upolu 
Isl., Navigator’s Isls. 
. (Discus) crouanii. Le Cuillou. 
Solomon Isls. 
. (Geotrochus) crucibulum. Pfeiffer. 
Admiralty isls. 
. (Orobia) cumulus. Pfeiffer. Ad- 
miralty Isls. 
. (Planispira) discordialis.  Ferussac. 
New Ireland. 
(Rotula) divisa. orbes Touisade 
Isls. 
