92 



** Mantle much expanded, partly covering the shell. 

 3. E. Cuvieri, And. Savigny, t. 114. f. 8; Cuvier, t. 114. f. 



3. PlJNCTURELLA, n. 155. 



1. P. Noachina, Forbes <$• Hanley, Brit. Moll. t. BB. f. 4, 5, 6. 



4. Fissurella, n. 156. 



* Mantle inclosed. 



1. F. costata, Lesson, t. 43*. f. 1-4. 



2. F. radiosa, Lesson, t. 43*. f. 5, 1. 113. f. 1. 



3. F. graeca? Chiaje, t. 112. f. 1, t. 113. f. 6, 7- Young, CAia/e. 



1. 113. f.4. 



4. F. patagonica, D'Orb. t. 113. f. 2. 



5. F. maxima, D'Orb. 1. 113. f. 3. 



** Mantle refexed on edge of shell. 



6. F. Cuvieri, Cuvier, t. 110. f. 6. 



b. Shell permanently covered by the mantle. 



5. Fissurellid^a, n. 158. 



1. Fissurellidaea hiatula. F. megatrema, D'Orb. t. 112. f. 2. 



6. Pupillia, n. 159. 



1 . P. apertura. Pupillaea aperta, Kraus, t. 269. f. 5. 



7. Lucapina, n. 160. 1. L. cancellata. 2. L. crenulata. 



Fam. 8. Dentaliadce, p. 158. 



Foot small, conical ; sides simple. Body and shell elongate coni- 

 cal ; apex pierced. 



1. Dentalium, n. 277- 



1. D.? semistriolatum, Linn. Trans. t. 115. f. 4; Chiaje, t. 115. f. 3. 



2. Entalis, n. 278. 



1. E. vulgaris. Dentalium E., Deshayes, t. 116; Johnston, MSS. 

 1. 115. f. 2. 



B. Gill single, on side of the back of the neck. Foot with a simple 

 impressed groove. Teeth few, subequal, in pairs. 



Fam. 9. Tecturidoe, p. 158. 



Teeth, central 2, with 2 lateral on each side in an oblique line, inner 

 one often larger. Gill single, on side of the hack of the neck.=Pa- 

 tellea b., Loven. 



1. Tectura, n. 275. 

 1 . T. parva. Patella virginea, Miiller, t. 70. f. 7, t. 1 10*. f. 7. 

 ? 2. T. tessellata. Patella t., Mutter, t. 70. f. 6. 



3. T. testudinalis, Forbes fy Hanley, t. 268. f. 2. 



4. T. cassis. Acmsea c, Eschsch. t. 114. f. 8. 



5. T. flammea. Patelloula 11., Quoy, 1. 114. f. 5. 



6. T. fragilis. Patelloida fr., Quoy, t. 114*. f. 7- 



