W»0 ' LIGHTNING '.AND ' PORCUPINE ' EXPEDITIONS. 501 



17. Pecten peagilis, Jeffreys. (Plate XLV. 8g. 1.) 

 P.frayiU,, Jeffr. in Ann. & Mag. N. H. Nop. 1876 p 424 



wiuHTt. ' 5&£y • 23a frou ° e - but perfect 8 " d **> ■ 



.re „ „ee£ i n T. StfftKSS? ACC ° r< "" g '° "* ' h,,re 

 18. Pecten vitreus, Chemnitz. 



AJSim bJwh, chemn. Conch.-Cab. vii. p. 335, t 67 f 6S7* 

 Pw ' M Vltre ™> B. C. v. p. 168, pi. xcix. f. 6 



'Lightning' Exp.: St. 6, 7. 



Pr^ coasTo^p 111 ^, ^^ Scandi »«via, Shetland, S.W. 



«&^ Challenger 'It ^CWtT^ "*' Aaa ^ Var ' 

 Friele drerW 1 « g • P " V ' Pata g°»»0 5 20-600 fms. Herr 



2W. Pliocene and Post-tertiary. Norway, Sicily. 

 I. Amussium fenestratum, Forbes. 



*"*? fenestrate,, Forb. Rep. BriU Assoc. 1843 pp 146 1Q9 

 P.phihppn, Acton, Ricerche conchiliologiche 1855 P f l/ 

 P. .*«, v Martens, Mai. Bl. 1857, p. f 94 t. fii f. i-3 



from the great S^fA^STT^^^ »7. 



cooeeotrieall? aj eS strh ted „,U t " V ,'"' T' beiu « 



50-250 "ft ■ C 3St ° f P ° rtUga1 ' Medifc erranean, and ^gean ; 



AnO, Pliocene. Sicily and Rhodes. 



Proc. Zool. Soc-1879, No. XXXVI. 36 



