162 UNIDENTIFIED LIMPETS. 



P. SPECTABILIS Gmel., p. 3723. Unidentified. 



P. CONSPURCATA Gmel., p. 3724. Unidentified. 



P. ATRA Gmel., p. 3724. Unidentified. 



P. SPECULARIS Gmel., p. 3724. Unidentified. 



P. CANESCENS Gmel., p. 3724. Unidentified. 



P. YIRESCENS Gmel., p. 3724. Unidentified. 



P. PULLA Gmel., p. 3725. Unidentified. 



P. REVOLUTA Gmel., p. 3725. Unidentified. 



P. SQUAMATA Gmel., p. 3725. Unidentified. 



P. TESTACEA Gmel., p. 3725. Unidentified. 



P. CAPILLARIS Gmel., p. 3725. Unidentified. 



P. GLAUCA Gmel., p. 3725. Unidentified. 



P. OBSCURA Gmel., p. 3726. Unidentified. 



P. EXOLETA Gmel., p. 3726. Unidentified. 



P. AFFINIS Gmel., p. 3726. Unidentified. 



P. FUSCATA Gmel., p. 3726. Unidentified. 



P. MELLEA Gmel., p. 3726. Unidentified. 



P. GUINEENSIS Gmel., p. 3726. Unidentified. 



P. COMPLANATA Gmel., p. 3726. Unidentified. 



P. NAVICULA Gmel., p. 3727. ?=P. miniata. 



P. CINGULATA Gmel., p. 3727. Unidentified. 



A portion of these species of Gmelin may belong to Siphonariidce , 



although all species belonging elsewhere than in Patellidce and 



Acmceidce have been purposely omitted in the above list. 



P. LUTEOLA Lam., An. s. Vert, vi, p. 327. Unidentified. 



P. TUBERCULIFERA Lam., An. s. Vert, vi, p. 333. Unidentified. 



P. RADIATA Born, Test. Mus. Cses. Vindob., t. 18, f. 10. (P. virgata 

 Gmel., Syst. xiii, p. 3727). Unidentified. 



P. BORNIANA Helbling, Abhandl., p. 106, t. 1, f. l.=Acmwa testu- 

 dinalis. 



P. ZONATA Schubert & Wagner, Conchyl. Cab., p. 125, t. 229, f. 

 4056, 4057. Unidentified. 



P. VIRGATA Donovan, in Rees' Encycl., Conch., pi. xvi. Unidentified. 



P. AURICULA Donovan, in Rees' Encycl., Conch, pi. xvi. Unidenti- 

 fied. 



