566 REPORT 1863. 



rachee, mouth of Indus. + C. hystryx, Brod.,+ C. echinus, Brod ,+ C. Cali- 

 fornica, Nutt. 



24. Crepidula rostrata, C. B. Ad. Panama. [=(7. uncata, Mke., nom. prior. This 

 tropical form presents distinctive marks.] 



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



Val. An abnormal form of C. navicelloides, Nutt. : C. nummaria, Gld., is 

 the opposite extreme.] 



29. Crepidula bilobata, Gray ft. ft Cpr.], MS. in Mus. Cum. [=(?. dorsata, Brod. 



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

 been found explained. It appears to be principally a northern species 

 = C. lingulata, Old.] 



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



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



2. Crucibulum scuteUatum, Gray. "=C. rugosa, Less.,= C. imbricata, Sby., non 



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

 4. Crucibulum rugosum, "Desh., non Less.,= C. li</naria, Brod., ?var. = C. gem- 



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

 6. Crucibulum ferrugineum, Rve. Bav of Conception, Chili, Cuming. [ = C. 



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



rough degraded form of C. spinosum.'] 



6. Crucibulum umbrella, Desh. = (7. rudis, Brod. Panama and Real Llejos. 



8. corrugatum, Cpr. " Cal." [Mazatlan, Jewett, P. Z. S. 1856, p. 204.] 



9. imbricatum, Brod. Panama. [ = C. imbricatum, Sby., = C. sou- 

 tellatum, Gray, no. 2, var.] 



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



to California; southwards it degenerates into C. quiriquina.~]=:C. pcziza, 

 Gray,4-C. hispida, Brod.,+ C. maculata, Brod.,+ C. tubifera, Less.,+ C'. 

 cinerea, Rve. 



11. Crucibulum pectinatwn, Cpr., P. Z. S. 1856, p. 168. Peru. [Panama, Jewett.'] 

 17. auritum, Rve.,= C. striata, Brod. ; non Say. Valparaiso, Cuming. 



[Passes into Galerus.~\ 



21. Crucibulum serratum, Brod. Real Llejos and Muerte, Cuming. [Like 



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



22. Crucibulum sordidum, Brod.,+ C. unguis, Brod. Valparaiso and Panama, Cum 



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

 species of this genus between Trochita and CrucilndumJ] 



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

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



7. Trochita subreflexa, Cpr., MS. in Mus. Cum. Gulf of California. f= Galerus 



subreflexus, Cpr. in P. Z. S. 1855, p. 233.] 

 9. Trochita corrugata [Pcujus. Comp. Calyptraa corrugata, Brod.]. Callao, Cuming. 



8. Trochita spirata, Fbs. a ? = P. trochiformis, Chem." Gulf California. [ Vide 



antea, p. 542.] 



10. Trochita solida [?Rve.]. Conchagua, Mus. Cum. [?= Galerus mamiUaris.] 



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



rity; appears = P. costellata, Com-., Sandwich Islands.] 



13. Perna Californica [Rve., non] Conr. California, Conr. [i. e. Nutt.~\ Honduras, 

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

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

 not known in Califqrnia.] 



3. Umbrella ocalis, Cpr. Mouth of Chiriqui River, Bay of Panama, [not] Owning 



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

 ~ 



6. lanthina fragilis,~LQm.., = I. striulata, Cpr. West Indies, Mazatlan, California.- 



[ Vide Maz. Cat. no. 242 : non /. stnolata, Ad. and Rve.] 

 19. lanthina decollata, Cpr. Probably =1. globosa, var. [Maz. Cat. no. 243. Of 



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



to specific rank.] 

 40. ColumbeUa Bri'lgesii, Rve. April 1858. Panama, Bridges. [Appears the 



small var. of C. major. ~\ 

 43. ColumbeUa Boivini ^ Boivinii, Kien.]. Gulf Nicoyia, Hinds. 



52 



