452 A. E. Verrill—Mollusca of the New England Coast. 
Figure 11.—Delphinula nitida (p. 424.) Front view of the type specimen; x 4. 
Figure 12.—Omalazis nobilis (p. 423.) Front view of the best specimen; x 2. 
Figure 13.—Plewrobranchus Americanus (p. 429.) Side view of the type-specimen as 
preserved in alcohol; x 2. 
Figure 14,.— Cylichna eburnea (p. 428.) Front view of the type-specimen; x 3. 
Figure 15.—Acteon hebes (p. 428.) Front view of the type-specimen; x 2. 
Figure 16.—Dentaliwm solidum (p. 215.) Side view of a medium sized specimen to~ 
show the outline, most of the longitudinal lines are omitted. Natural size. 
Figure 17.—The same. Side view of a young specimen. Natural size. 
Figure 18.—Dentaliwm laqueatum (p. 431.) Transverse section across the middle to 
show the size and arrangement of the ribs; x 24. 
Figure 19.—Cadulus spectabilis (p. 423.) Side view of one of the type-specimens; x 2 
Figure 20.—Cadulus grandis (p. 219.) Side view of one of the type-specimens; x 2. 
Figure 21.—Pecten undatus (p. 444.) Type-specimen. Natural size. 
Figure 22.—Cryptodon grandis (p. 436.) One of the type-specimens. Natural size. 
Figure 23.—Arca profundicola (p. 439.) Type-specimen; x 2. 
Figure 23a.—The same. View of the interior of a valve; x 2. 
Figure 24.—Discina Atlantica (pp. 233, 446.) View of one of the most perfect 
examples; x 4. 
Figures 1, 2, 2a and 24 were drawn by Mr. J. H. Blake ; figures 12, 14 and 18 by 
the author; the rest of the figures by Mr. J. H. Emerton. 
ADDITIONS AND CORRECTIONS. 
Page 408, line 20, for 1058, read 1230. 
Page 409, line 31, for 1883, read 1884. 
Bela Blakei, p. 417, line 4 from bottom. The figure referred to (pl. 44, fig. 8), 
really represents Gymnobela brevis V., same page. 
Marginella Smithiti V. This name is proposed as a substitute for IL Virginiana 
(p. 420), preoccupied by Conrad for a fossil. It is dedicated to Mr. Sanderson Smith. 
Skenea (?) lirata V.= Omalaaxis (?) Kirata V., vol. v, p. 529. This species is common 
in 10 to 43 fathoms off Cape Hatteras, but has not been preserved with the animal, so 
that the genus is still uncertain. 
Lepeta ceca (Miill.) Gray. This species was taken alive at station 2262, in 256 
fathoms. 
I 
