GASTEROPODA. 39 
The eggs were deposited in July. They were soft, 
slightly cohering in the form of an elongated cone, 
bent into a half circle. When laid, the eggs were in 
an advanced stage of development, each containing 
from six to eight young animals, which had already 
commenced forming their shells. 
SCALARIADA. 
Scatarta Novaneii#, Couth., 1838. Gould, 248. — 
Corall. Mass. Bay. Since the single specimen 
found by Mr. Couthouy, no other has occurred. 
S. Grontanpica, Gould, 249, f. 170*.— Corall. and D. 
S. Coral. Eastport Harb. 10 f. sand, (W.8S.) Off 
Head Harbor, in 50 f. (W. 8.) Off Grand Manan, in 
40 f. mud, (W. 8.) Isles of Shoals, in 20 f. sand, 
(Wh.) Off Nahant, in 17 f. hard sand, (Tufts and 
Hask.) Off Race Pt., in 30 f. gravel, (Atw.) Nan- 
tucket Shoals, in 20 f. (Ag.) 
S. uingaTa, Say. Gould, 250.— Lamin. From Buz- 
zard’s Bay, southward. 
S. muutistriata, Say. Gould, 251.— Lamin. Buz- 
zard’s Bay, (Shiverick.) 
Evuuma oxveacea, Kurtz et Stimpson. Pl. I. fig. 6. 
Bost. Proc., Oct. 1851. T. parva, subulata, solida, 
nitidissima, alba, vel fasciis transversis pallidé fuscis, 
ornata; anf. 12, planati, contigui; sutura incon- 
spicua; apertura parva, ovata. Long. .25, lat. .06, 
poll. 
The animal is white, hyaline; tentacles almost 
