ON MOLLUSCA OP THE TVEST COAST OF XORTH AMERICA. 557 



„u, i.ub, „f .Sy„V„„V,», a„d not of «»;"», var. ,,A»tata. Opeic. / 

 i, truly oonj-PrnTi.-. a..d p«ri.ap! »»"»rr; r,„f m„s Cum 



• • • • « TM:'i;"ciL ii' perhap^, a state of V. (Petahconckm) macrophru.j- 



346 '. '. Vat'r rS; Tr;;-rL)''-Is.''Sb" Quito), 5,™./., on P„,.. 



359 20 F.nS° (?«"■*-.•«»•)«»*""■ M-*- C«lif»™ia. ""»;''■»*'*;:- 

 ,^r, , Rvo TNot a Califoi-nian »*o<;». The diagnosis, howcv.-. 



:"Sv ao-o ds'-wi.l. aOalilorniau shell, which i» F'1">P» 'J,;; 7>"- f 

 s\Iami,i,vm. It has no resemWance to SlrMocera,, Cpi, P. Z. b. 



362 24 y:r;:^!:\S£?^X^>-«^,^^-^'^'^- 0«-^ea + r..ffus.,>, 

 ;'a"'- f:Z::rttla.„e.^s, Ohen. pl.5. f. 1. Panama, C A ^A ; 



Mazatlan. Melchers. , . , tt d- •• Vol t 

 Var. a. Punctis impressis desUtuta,= V. Peronii,^ ^\.X 



Var 8 ^.////>^^. Gulf of California, on piece of black P,n««, Mus. Cum, 



• ■ - - The P;L ui,,rina is from the E. T.]= / • tuhpa, Rouss. 



Var. 6. Brkh/em. Panama, on Margaritifera, Mus. Cum. 



The conclusion of the paper is in P. Z. S. 1862, pp. 54-83. 

 58 4. 5»«o»»« s«?^7/s, Miirch. Central America, on Anomalocardia subimbrirata, 



\^rZ' ^!^^r. On Pinna, probably Central America, Mus. Punker 



• • " Var ^ triquefra. Ma.atlanf on valve of Plaeunanomia, Mus. temper. 



™ «• -aSBHiSfs'?: -i-fShfx-ls 



Van'S6r/«7/«. Voy. Ven. pi. 11. f- 2. California, crowded on 



Marqafitifem. Mus. Cum. p 



Var 8 enthosclera. Cal., on young Margaritifera. Mus. Lim . 

 • • * • Verv likSv' Q^mi, var'.vanegata. [This species is on shells Irori 



the 'Mexican, not the "Californian " fauna.] 



Barbara, .A^««. ['S«7>"^o''i»«, not ^fe^es, teste CooiJ<>r]. 

 * Mr. Morch has not seen any lamina inside, but, from the 3-5 spiral lir^ on the 



t moicu suppo centiquadrus. The nuclear por- 



LTi'S»"-:-i"^^S:.:S'n,e^hr^^ app»r%» beginning •» end, „ 



sitrJto bfa S and "»t k:.,,.^.. jofc.. simplj because uau.cj after i?ei.-o«, .ho 



did not visit this district. 



4o 



363 *. . \av. y. siphonata. 



