bo 
— 
ASPIDOBRANCHIA. PATELLADZ. Z 
Synopsis Generum. 
Branchie foliaceee, imbricate, pedem et caput 
undique circumdantes. Lingua spiralis. 
Tentacula duo, acuminata, apiece acuta *.. 102." Parris. 
Branchie foliaceze, imbricatee, pedem undique 
nisi anticé circumdantes. Lingua spiralis. 
Tentacula duo, acuminata, apice obtuso .. 103. Patrna. 
Genus 102. PaTELua. 
Patella Auctorum. 
Branchie foliacez, imbricate, pedem et caput undique cir- 
cumdantes. Lingua spiralis. Tentacula acuminata, apice 
acuta. 
Branchize composed of imbricating, foliaceous processes, sur- 
rounding the foot and head entirely. Tongue spiral. Tenta- 
cles acuminate, their points acute. 
1. PATELLA VULGATA. 
P. testa radiatim costat&é; costis irregularibus, extts luteo-ci- 
nerea aut virente, inttis radiatim variegata, apice subcentrali. 
Animal \ateribus pallii sordidi albidis, flavidis aut testaceis. 
Pes subtus albidus, sordidus aut nigricante griseus. Tentacula 
nigricantia aut grisea. 
Patella vulgata, Lister, Anim. Angl. t. v. f. 40; Conch. 
t. eceeexxxv. f. 14; Linn. Faun. Suec. 2199; Syst. Nat. 
xii. 1258. no. 758 ; Borlase, Cornwall, t. xxvui.f. 3; Penn. 
Brit. Zool. iv. 142. t. xxxix. f. 145; DaCosta, Brit. Conch. 
Wm. t. in. f. 1, 2,8; Martini, Conch. 1 t2¥i £38; Pult. 
Cat. Dorset. 51. t. xxi. f. 1, 2,8; Donov. Brit. Shells, 
t.xiv.; Mont. Test. Brit.475; M.& R. Trans. Linn. Soc. 
475; Flem. Edinb. Encycl. vu.; Dill. Desc. Cat. 1052 ; 
Turt. Conch. Dict. 135; Lam. Hist. Nat. des Anim. sans 
Mert, vi. 331. 
Patella depressa, Penn. Brit. Zool. iv. 142. t. Ixxxix. f. 146. 
var. 
Habitat in mari Europzeano vulgatissimé, saxis adherens. 
Long. 25; alt. 14 unc. 
