566 REPORT — 1863. 



rachee, mnutli of Indus. + C. hystryx, Brod.,4- C. echinus, Brcid ,+ C. Cali- 

 fornica, Nutt. 

 24. Crcpidtihi rostrata, C. B. Ad. Panama. [= C. uncata, Mke., noin. prior, Thie 

 tropical form presents distinctive marks.] 



28. Crepidula exiiviata, 'Knit. Monterey. \^=.C'. explanata, (3:\di.,= C. perforanSj 



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

 the opposite extreme.] 



29. Crcpidnla 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 species 

 = C. liiigulata, Gld.] 



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



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



2. Cnfcibnhmi sctdellatum, Gray. "=C. rtigosa, Le8s.,= C. irnhricata, Sby., non 



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

 4. Cruuhulum i-ugosum, ^'Desh., non ljess., = C. liynaria, Brod., ?\&x. = C.gem- 



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

 6. Crucibtdu7n ferrugineum, Rve. Bay of Conception, Chili, Cuming. [ = C. 



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



rough degraded form of C. spinosum.l 



6. Crucibulum umbrella, Desh.= C 7-udis, Brod. Panama and Heal Llejos. 



8. „ corrugatum, C-pr. " Cal." [Mazatlan, Je?re«, P. Z. S. 185G,p.204.] 



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

 tellnfum, Gray, no. 2, var.] 



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



to California; southwards it degenerates into C. quiriquina.'\= C. peziza, 

 Gray,+ C hispida, Urod., + C. 7)iaculata, Urod. ,-\- C. tubifera, Less.,+ C. 

 cinerea, Rve. 



11. Crucibulum 2)ectinatum, Cpr., P. Z. S. 1856, p. 168. Peru. [Panama, Jt-j/'e^^.] 

 17. „ wMri^Mm, Rve., = C. senate, Brod., non Say. Valparaiso, Cwmw^. 



[Passes into Galerus.'] 



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



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



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



ing. \_= Galo-us ; v. Maz. Cat. p. 292, note. The author distributes the 

 species of this genus between Trochita and Crucibulum.'] 

 4. Trockifa aspera [Rve. as of] C. B. Ad. Panama. [The small var. of Galerm 

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



7. Trochita subre/le.ra, Cpr., MS. in'Mns. Cum. Gulf of California. \_ = Galerus 



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

 9. Trochita eorrugata [Pcujus. Comp. Calyptrcpa comigata, Brod.]. Callao, Cuming. 



8. Trochita spirata,Yhi. ^'? = P.troch{fonnis, Chem." Gulf California. [Vide 



antea, p. 542.] 



10. Trochita solida [?B.ye.\ Conchagua, Mus. Cum. [? = Galerus mamillaris.l 



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



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

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

 Dyson. " Distinguished by the PedumAike form and clouded, li\dd 

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

 not known in California.] 



3. Umbrella oralis, Cpr. INIouth of Chiriqui River, Bay of Panama, [not] Cuming 



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



Xantiis.] 

 6. Ianthinafragilis,J.{im.,z=I. /^triidata, Cpr. West Indies, Mazatlan, California. 



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

 19. lanthina decollata, Cpr. Probably=7. glohosa, var. [Maz. Cat. no. 243. Of 



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



to specific rank.] 

 40. Columhella Bridgesii, Rve. April 1858. Panama, Bridges. [Appears the 



small var. of C. major.'] 

 43. jf^olumbella Boivini l=Boivinii, Kien.]. Gulf Nicoyia, Hinds. 



52 



