566 KEPORT — 1863. 



ractee, mouth pf Indus. + C. hystryx, Brod.,+ C. echimts, Bi-dd ,+ C. Cali- 



fornica, Nutt. 

 34 Crepidula rostrata, C. B. Ad. Panama. [= C. uncata, Mke,, nom. prior. Thie 



tropical form presents distinctive marks.] 

 28. Crepidula exuviata, Nutt. Monterey. [=61 explanata, Gld.,= C. perforans, 



Val. An abnormal form of C. navicelloides, Nutt. ; C. niimmaria, Gld., is 



tlie opposite extreme.] 

 2.9. Crepidula bilohata, Gray [i.e. Cpr.], MS. in Mus. Cum. [=C dorsata, Brod. 



Vide Maz. Cat. no. 336, where the origin of the MS. name would have 



been found explained. It appears to be principally a northern spec.es 



= C. lingulata, Gld.] 

 30. Crepidula lirata, Bve. [Gulf of] California. [Intermediate form between 



C. incurva and C. onyx, described in Maz. Cat. p. 277.] 

 2. Cntcibidum scutellatum, Gray. "= C. ruyosa, Less.,= C. imbricata, Sby., non 

 Brod." Payta, Less. ; Punta St. Elena, Cuming. [ Vide Maz. Cat. no. 343.] 



4. Crucibulum rugosmn, "J)esh., non Less., = C. %!ia)7V(, Brod., ? mr. = C. getn- 



macea, Val." Island of Chiloe, Cuming. [VideMnz. Cat. p. 290.] 



5. Crucibidum ferrugineum, Kve. Bay of Conception, Chili, Cuming. [=C. 



quiriquina, Less., D'Orb., = C. Byronensis, Gray, in Brit. Mus. Like a 

 rough degraded form of C. spinosumP\ 



6. Crucibulum umbrella, Desh.= C. rudis, Brod. Panama and Eeal Llejos. 



8. „ comigatmn, C^v. " Cal." [Mazatlan, Je!M«, P.Z. S. 1856,p.204.] 



9, „ imbricatum, Brod. Panama. [=C imbricatum, Sby.,= C. scvr- 

 tellatum. Gray, no. 2, var.] 



10. Crudbulmn spinosum, Sby. Seas of Central America. [Extends northwards 



to California; southwards it degenerates into C. guiriquina.']= C. jKziza, 

 Gray,+ C'. hispida, 'Bvoi.,+ C.maculata, 'BvoA.,-^C. tubifera, Less.,+ C. 

 cinerea, Rve. 



11. Crucibulum pechnatum., Cpr., P. Z. S. 1856, p. 168. Peru. [Panama, Jeweii.] 

 17. „ ffwn'fein, Rve., = C senate, Brod., non Say. Valpai'aiso, Ctenm^. 



[Passes into Galerus.'] 



21. Crucibulum .'^erratum, Brod. Eeal Llejos and Muerte, Cuming. [Like 



young of C. pectinatum ; nearly transparent ; white, with purple ray.] 



22. Cnicibulum sordidum,'Bmi.,+ C. unguis, Brod. Valparaiso and Panama, Cu7n' 



ing. [= Galerus; v. Maz. Cat. p. 292, note. The author distributes the 

 species of this genus between Trochita and Crucibulum.'\ 

 4. Trochita aspera [Rve. as of] C. B. Ad. Panama. [The small var. of Galerus 

 conicus. Probably = C. aspersa, C. B. Ad., no. 331 J 



7. rraoAite Si<J;-e7?ex«, Cpr., MS. in Mus. Cum. Gulf of California. \= Galerus 



subreflexus, Cpr. in P. Z. S. 18-55, p. 233.] 

 9. Trochita corrugata [Pcujus. Comp. Calyptrcea corrugata, Brod.]. Callao, Cumimj. 



8. Trochita spirata, 'Fhs. "? = P. trochiformis, Cham." Gulf California. [Vide 



antea, p. 542.1 



10. Trochita solida [?'Rve.]. Conchagua, Mus. Cum. [?=Galems mamillaris.'] 



11. Perna anomioides, Rve. March 1858. California, Mus. Cum. [No autho- 



rity; appear3=P. costellata, Conr., Sandwich Islands.] 

 13. Perna Callfornica [Rve., non] Conr. California, Com. [i. e. Nutt.'] Honduras, 



Dyson. "Distinguished by the Pedum-WV^ form and clouded, livid 



purple colouring. [This is the well-known large Hat West Indian species ; 



not known in Califcvmia.] 

 8. Umbrella ovalis, Cpr. Mouth of Chiri(iui River, Bay of Panama, [not] Cuminq 



[but Bridges. The species was also found at Cape St. Lucas bv 



Xaiiius.] 

 6. Ianthinafragilis,lj&m., = I. stnulata, Cpr. West Indies, Mazatlan, California. 



[ Vide Maz. Cat. no. 242 : non I. striolata, Ad. and Rve.] 

 19. lanthina decollata, Cpr. Probably=Z globosa, var. [Maz. Cat. no. 243. Of 



the two _Maz. forms, provisionally named, this appears the least entitled 



to specific rank.] 

 40. Columbella Briilgesii, Rve. April 1858. Panama, Bridqes. [Appears the 



small var. of C. major.] 

 43. Columbella Boivini [ = Boivinii, Kien.]. GulfNicoyia, Hinds, 



52 



