180 A. E. Verrill—The Bermuda Islands; Geology. 
Columbella mercatoria Linn. Figure 59a, «. 
Common. 
Columbella cribraria Lam. Figure 59a, 6. 
Common. 
Oliva reticulata Lam. 
Fragments only. 
Olivella oryza Lam. 
Recorded by Rice. 
Fasciolaria distans Lam. 
Recorded by J. Matthew Jones, a single instance. 
59 
Figure 59, a, b.—Nassa ambigua ; 59a, a, Columbella mercatoria ; 59a, b, Colum- 
bella cribraria. All natural size, phot. A. H. V. 
Natica canrena Linn. 
Rare. 
Trivia quadripunctata Gray. 
Recorded by Rice as 7! rotunda, which is now considered a 
variety. 
Cyprza exanthema Linn. 
Recorded by Heilprin from St. George’s (as C. cervus Linn.). 
Cypreea cinerea Gmel. 
Recorded by Rice and by Heilprin. 
Ultimus gibbosus (Linn.) Mtf. 
Recorded by Rice as Cyphoma gibbosa; rare. 
Strombus costatus Gmel.=accipitrinus Lam. Rare. 
Nelson (see above, p. 78) recorded a Strombus, without specific 
name, from Long Bird Island. Heilprin mentions that the speci- 
