CONCHOLOGY. 
Pleurotoma muricata. 
. echinata. 
. flavidula. 
. imperialis. 
. auriculifera. 
- Spirata. 
. bimarginata. 
. cingulifera. 
» Babylonia. 
. marmorata. 
. crispa. 
. nodifera. 
P. maculata. 
ac Beta” a? el faa es oo la oa a = eg | 
P. decussata.* 
P. curvirostris. 
3. Genus Turbinella. 
Animal, 
Shell. 
Imperfectly 
known. 
Usually turbinated (but 
129 
Pleurotoma interrupta. 
P. cincta. 
P. crenularis. 
P. unizonalis. 
P. lineata. 
P. fascialis. 
P. buccinoides. 
P. virgo. 
P. undosa. 
P, tigrina. 
P. albina. 
P. mitra. 
P. elegans. 
P. bicarinata.* 
Ply ee 
sometimes turriculated), 
wrinkled, thick; spire slightly variable in form; aperture elon- 
gated, terminated by a straight canal, and often rather short; the 
left edge nearly straight and formed by a callosity concealing the 
columella, which has two or three nearly transverse and unequal 
folds ; the right edge entire and trenchant. 
torial or Australian seas. 
Found in the Equa- 
Twenty-three species. 
Turbinella scolymus. 
T. napus. 
T. pugillaris. 
T. rapa. 
T. pyrum. 
T. leucozonalis. 
T. cingulifera. 
T. mitis. 
T. infundibulum. 
T. lineata, 
T. triserialis. 
T. variolaris. 
Turbinella ocellata. 
T. rustica. 
T. polygonia. 
T. carinifera. 
T. rhinoceros. 
T.. cornigera. 
T. ceramica. 
T. capitella. 
T. globulus. 
T. craticulata. 
T. nassatula. 
