NORTH AMERICAN CONCHOLOGY. 



469 



[Carpenter, Mazatlan Shells.] 

 Page. 



33i Cerithium ? famelicum C. 

 B. Adams. 

 C. xtncinatum Sowb. 



334 var. mediolaeve. 



C. umbonatum Sowb. 



335 ? uncinattun Gmel. 



2Iurex uncinatus Gmel. 

 No. 198 Schr. 



Stromhus muricatus &c. Sc. 

 C.famelicum (-psLTS.) C.B.A. 

 (sp. ined. a.) 



333 

 336 

 337 

 337 



338 



339 



340 

 341 

 341 

 342 

 342 



alboliratum Carp. 



(sp. ined. b.) 



stercus-muscarum Val. 



C. irroratum Gould. 

 occellatum Mke. 

 interruptum Mke. 



? C. (sp.ined.)C.B.A. 



Vertagus gemmatus Hinds. 



Cerithium f/err.matuvi Hds. 



V. (jemmatus H. & A. Ad. 

 (sp. ined.) 



Triforis alternatus C B. Ad. 

 inconspicuus C. B. Ad. 

 ? infrequens C. B. Ad. 

 Cerithidea Montagnei Z)' 0. 

 Cerithium Montagnei'D''Ov. 

 Reeveanum C. B. A. 

 344 varicosa Sowh. (var.) 



Mazatlanica. 

 C varicosum Sowb. ? 

 validiim C. B. Ad. 

 34G LittoTina conspersa Phil. 

 L. puncticulata Phil. 

 Melaraphe puncticulata H. 

 and A. Adams. 

 L. modesta Mke. 



348 aspera Phil. 



Melaraphe aspera H.&A.A. 

 Oct. IS-'jC. 



349 Philippii Carp. 

 S.'iO (sp. ined.) 



3.01 Littorlna fasciata Grai/. 

 Melaraphe Jasciata Gr. 



Page. 

 352 



356 



357 

 357 

 358 

 359 

 359 

 3G0 

 360 

 360 

 361 



3G1 

 362 

 362 

 363 

 363 

 364 

 364 



366 

 367 

 367 

 3';8 

 368 



Modulus catenulatus Phil. 



Trochus catenulatus Kiist. 



M. trochiformis Ey. & Soul, 



Carchedonicus Carp. 



353 



(sp. ined.) 



353 



disculus Phil. 





Trochus disculus Phil. 





M. duplicatus (var.) A. Ad. 





dorsuosus Gould. 



354 



Possarus tuberosus Carp. 





? Trichotropis (sp. 1.) 





[Carp. 



354 



angulatus Carp. 



355 



Isapis maculosa Carp. 



356 



(? sp. ined.) 



Rissoina stricta Mke. 

 Rissoa stricta Mke. 



(sp. ined.) 



Wood-wardii Carj). 

 lirata Carp. 



Alvania excurvata Carp. 

 eflfusa Carp. 

 tumida Carp. 



(sp. ined.) 



Cingula (sp. iued.) 



Hydrobia ulvae Penn. 



Turbo uli'ie Penn. 

 Paludinella staijualis Midd. 

 ? Helix stagiudis Linn. 



. (sp. ined.) 



Jeffreyssia bifasciata Carp. 

 ? Alderi Carp. 

 tumens Carp. 



? (sp. ined.) 



Truncatella (sp. ined.) 



Planaxis nigritella Furbts. 

 PL aciiliis Mke. 

 o'lsolfiiiis Mke. 

 Alaba supralirata Carp. 

 violacea Carj>. 

 terebrans Carp. 

 alabastritea Carp. 

 scalata C^irp. 



