XXXVii 
Oblonga, 260. MARGARITA (y). 
Eulimoides, f. 12. Vulgaris (Turbo Mar- 
Rissoides, f, 9. garita, 169). 
Turrita, f. 10. Carnea (Turbo C. 170). 
CYCLOSTREMA. LACUNA, p. 256. 
Zetlantica, 158. * Spire lateral, very 
shghtly produced. 
SKENEA. Pallidula (Natica P. 
Depressa, 159. 150 (2), ft 85. 
Serpuloides, 159, f. 44. | Montacuti (Natica La- 
Divisa, 109. cuna, 150). 
SOR OBIE FIBRIL LPR APP LPB LD LOLOL wn" 
vex ; suture oblique, distinct in the last whorls; aper- 
ture one fourth of the entire length, almost uniform 
from the projection of the tooth-like plait on the upper 
part of the columella. 13..2, lines.. Guernsey. Allied 
to Producta of Gould. 
(y) Conical, moderately elevated ; whorls few, sub- 
inflated; aperture rounded, imperfect posteriorly ; lip 
sharp; umbilicus deep; operculum multispiral, the 
nucleus central. 
(2) Variety ? Patula,f. 83. Spire all but flat, umbili- 
cus obsolete, columella groove broad but very shallow ; 
aperture patulous ; epidermis very distinct. 
