166 
iic 
14. 
15. 
16. 
1. 
ADAMSIELLA $. 4. LITHIDION. 
8 4. 
xanthostoma (Cyclostoma) Sow. (Coll. 8.) IL. 174. II. 109. 
III. 120. —  Züátel Cat. p. 121. —  Cyelostoma tenuistriatum C. B. 
Adams. —  Choanopoma  xanthostoma Gray. — Jamaica. 
. pinguis (Cyelostoma) Pfr. I. 175. II. 109. III. 120. — Pütel 
Cat. p. 121. — Habitat? 
Jügnilabris (Cyelostom'a) C. B." Adams. (Coll! 97) 1. 1752 101 
109. III. 120. —  Gloyne in Journ. Conch. XX. p. 39. —  Pütel 
Cat. p. 121. — Jamaica. 
chlorostoma (Cyelostoma) Sow. (Coll. 10.) I. 176. II. 109. III. 
120. — Cycelostoma sericeum .Fér. — Choanopoma, chlorostoma Gray. 
— Demerara. 
Osberti Tristram. f III. 120. — Guatemala. 
cinnamomea (Cyelostoma) Pfr. (Coll. 11.) II. 109. III. 120. — 
Habitat? à 
echordata (Cyclostoma) Pfr. (Coll. 12.) III. 120. — Patel Cat. 
p. 121. — Cuba. 
Subfam. VI. Cyelostomea. 
Pfr. Mon. Pneum. II. p. 109; III. p. 121. 
XL. Lithidion Gray. 
Pri Mon" Pneumi Epic 1065 EID) ps9 TO9 S HETES Pp MEO] 
Pátel Catal. 1873. p. 17. 122. 
Species: 
l. suleatum (Cyclostoma) Gray. I. 176. II. 110. III. 121. — Cyelo- 
stoma. lithidion Sow. Cyclostomus suleatus Ad. — Yemen Arabiae. 
2. desciscens (Cyclostoma) Pfr. I. 177. II. 110. III. 121. — Patel 
Cat. p. 122. —  Cycelostomus desciscens Ad. — Socotora. 
3. Souleyetianum (Cyclostoma): Petit. (Coll. 1.) I. 177. II. 110. 
III. 121. — Cyclostoma paradoxum .Pfr. — Cyclostomus Souleyetianus 
Ad. — Abd-el-Goury prope Socotoram. 
4. depressum (Cycelostoma) Sow. I. 178. II. 110. III. 121. — Cy- 
clostomus depressus Ad. — Habitat? 
5. niveum (Cyclostoma) Petit. (Coll. 2.) I. 178. II. 110. III. 121. 
— QCycelostomus niveus Ad. — Madagascar. 
