536 APPENDIX 



turam longe superante : labro intus incrassato, denticulif 

 quinque munito, superne sinuato. Alt. 3J ; diaml"7"'. 



27. Denfalium hyalinum, Phil. B. M. Cat. sp. 245. 



D. testa tereti, subrecta, albr, byalina, nitidissima, versus 

 apicem tenuissime striata, versus basin leevissima ; apertura 

 utraque simpliee. Long. 11 ; lat. I'B'". 



The only geographical list of Mazatlan shells published 

 previously to the present catalogue, is that of Dr. Menke ui 

 the Zeit. f, Mai. 1847—1851. It consists of two parts ; the 

 first, of a collection brought by Mr. H. Melehers ; the second, 

 of another collection by the same gentleman, 'with the addition 

 of a hox of jpxircliased shells. An analysis of both is given in 

 the Brit. Assoc. Eep. 1856, pp. 235—239. The following are 

 the lists, with descriptions of the new species, and references 

 to the species in the iDresent Catalogue. 



Collection I. Zeit.f. Mai. 1847, pp. 177-191. 



1. Siphotiaria lecanium, Phil. 



2. Liforina aspera, PhU. 



3. Turritella imbricata, Lam. 



4. Vermetus glomeratus, Eouss in Chenu. 



5. Natica iostoma, Mke. 



N. testa subgloboso-ovata, longitudinaliter subtilissime sul- 

 cata, flavida ; anfractu ultimo, basi et ad sutiu'am albido, 

 fasciis duabus albidis seriebusque macularum fuscarum trans- 

 versarum tribus, quarum media gemiua, cincto ; umbilico 

 aperto, callo couoidali spiral! iustructo ; fauce lilacina. 

 Long. 8, 5, lat. 7, 3, alt. 5, liu. 



6. Natica maroccana, Koch. „ 570. 



7. Nerita muUijugis, Mke. „ 326. 



8. Turbo Jluctiiosus, Wood. „ 282. 



9. Solarium granulatum, Lam. 



10. Cerithium ocellatum, Brug. „ 387. 



11. Buccinum sangmnolentu,m, Mke. „ 662. 



12. JBicccinicm gemmulatum, E,eeve. „ 661. 



13. Buccinum gilvum, Mke. „ ?647. 



