PLEUROTOMA. 163 
from a unique specimen in the Cumingian collection, from the 
Philippines, is also a synonym. 
P. Garnonsi!, Reeve. PI. 2, fig. 5. 
Shell narrower than the preceding species, with narrower and 
sharper revolving ribs; above the sinus these are mostly replaced 
by several revolving raised lines; whitish or yellowish white, 
with small brown spots on the principal ribs, larger oblique 
brown patches below the sutures, and on the body-whorl near 
the top of the canal—the latter are frequently confluent into 
a broad, more or less interrupted band. L. 3 inches, diam. ‘8 inch. 
Red Sea, East Africa, Mauritius, Java. 
P. babylonia, var. of Kiener — this species. 
P. Rarrrayi, Tapparone-Canefri. PI. 1, fig. 3. 
Shell spotted at the sutures, otherwise ornamented with longi- 
tudinal brown flammules. L. 70, diam. 18 mill. 
New Guinea. 
The spots on the ribs have, in this form, coalesced into longi- 
tudinal stripes. One ofmy specimens of P. Garnonsii exhibits a 
tendency towards this ornamentation, and I do not think that 
the present species has much claim to recognition. 
P. GRANDIS, Gray. PI..1, figs. 6, 7. 
Whorls not much angulated, with sculpture of many rather 
small sharp revolving ribs and intermediate raised lines ; 
yellowish white, numerously spotted with chestnut-brown upon 
the larger ribs, the spots often coalescing into irregular longi- 
tudinal stripes. LL. 6 inches, diam. 28 mill. 
China Sea, Viti Islands. 
P. crispa, Lam. (fig. 6), can only be considered a younger 
State of this species, and, of course, has priority of description ; 
but Gray’s name is so appropriate to the largest species of the 
genus, and is so well-known, that it had better remain undis- 
turbed. 
ee prora, Beck. Pl. 2, fig. 19; Pl. 1, fig. 8. 
Shell somewhat more carinated than P. grandis, with less 
numerous ribs, more sparingly painted with brown.spots. 
L. 93, diam. 20 mill. 
West Coast of Central America, Gulf of California. 
