yatlier larger. Operculum spiral, horny, of few wliorls. Teutacuk 

 lateral. -j 



1. ScALARiA, n. 248. ; 



III 'J 1. S. clathrus. Turbo c, L<°acA, 1. 127. f. 1; P/«mcAw5, 1. 127. f. 7, 9; ' 



" Kiener, 1. 127. f. 2. 



2. S. pseudoscalaris, Philippi, 1. 127. f- 8. 



Sect. 3. Iniophthalma, 



Eyes sessile, on the head between or rather behind the base of the ' 



tentacula. Operculum spiral or annular. Passing to BuUidae. j 



a. Operculum spiral. Eyes near tentacula, 



I 

 Fam. 24. C(Bcides. j 



Shell siibcylindrical, arched, apex deciduous, subspiral? Oper- /Z^^-'V*"^"^ ! 



culum circular, horny, spiral. Foot short. Teutacida simple. — ! 



1. C^cuM, n. 774. ^„,.-»"-^ 



1. C. imperforatum. Junior C. trachea. Oper. concave externally ,^^^^^ ,^' / 'j' ' 



2. C. glabrum. Oper. convex externally, with s])iral terraces. ., .- 1 .y^ i 



Fam. 25. Truncatellidce. i 



Muzzle broadly 2-lobed. Foot very short, roundish. Ojicrculuni j 



horny. Walks with its foot and lips. - ■»' » : ' ^ f t-'-'-V ' 



1. Truncatella, n. 282. | 



1. T. truncatula, Lowe, 1. 123. f. 14 ; Philippi, t. 126. f. 14. j 



2. T. littorina, Philippi, t. 125. f. fi. , ^^ a^u ^ i.v* / fa 



' Fam. 26. Pyramidellidce. 



Teeth none or rudimentary. Operculum sjiiral, few-whor!ed, Au*^y/^ , 



with a thin inner edge. M*"-*^ r-^-^i*-*-'^*--*— i 



1. Obeliscus, n. 283=Plotia, sp. Mus. Berl. 1818. ^^ '^^^'^y^Z^^ 



1. O. maculatus. Pyramidella m., Qwoy, 1. 123. f. 13. "" 



2. O. ventricosus. Pyramidella v., Qmo?/, 1. 123. f. 10; A'iener, 1. 123. 



f. 12. Animal of Quoy's figure of O. maculatus placed in this 



shell! i 



2. Odostomia, n. 286. ! 



1. O. spirahs, Alder, 1. 125. f. 4 (" not correct," Alder). Turbonella 



s., Loveti, t. 128 a. f. 3. 



2. O. interru])ta. Turbonilla i., Lovhi, t. 128 a. f. 4. 



3. O. clavula. Tmbonilla c, Loom, t. 128 «. f. 2. /. k^^^ /.t/t^c*^ ^ 



3. Turbonilla, n. 288. ^/^^ ^ fhtA-Jjt^ j 

 I. T. albula?; Menetho a., Moller MSS. t. 125. f. 2, ' ' ' 



4. EuLiMA, ii:290. ; 



1. E. distorta, Philippi, t. 125. f. 11. 



2. E. polita, Philippi, t. 125. f. 12. ' 



