144 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Table Y. E. — List of Gastropoda — Continued. 



Ser. 

 No. 



779 

 780 



781 

 782 



78.3 



784 

 785 



r86 



787 

 788 



789 

 790 

 791 



792 

 793 

 794 

 795 



796 



Kame and authority for species. 



Family VEEMETID^. 



Genus SILIQUARIA Bruguiere. 



S. squamata Blainville 



S. modestaDall 



PI. 



Genus VERMICULARIA Lamarck. 



V. spirata Philippi 



Y.? nigricans Dall 



Genus SIPHONIUM Morch. 



S. nebulosura Dillwyn 



Genus VERMETUS Morch. 

 Subgenus Petaloconchus Lea. 



P. erecfcus Dall 



P. irregularis Orbigny 



Genus BIVONIA Gray. 

 B. exserta Dall 



Family TUERITELLIDiE. 

 Genus TURRITELLA Lamarck 



Section Haustator Montfort. 



T. variegata Linnd , 

 T. Yucatecana Dall 



Section Torcula Gray. 



T. exoleta LinniS 

 T. 



T. acropora Dall 



Family MATHILDIID^. 



Genus MATHILDA Semper. 



M. yucatecana Dall 



M. harhadensis Dall 



M, Eushii Dall 



M. scitula Dall 



Subgenus Gegania Jeffreys. 

 G. Jeffreys! Dall 



Figs. 



2G 



51 



38 



26 



26 



Alt. 



26,0 



25.0 



11.0 



16. 



8.0 

 6.2 

 5.0 

 5.25 



Range 



in 

 depth. 



640 



100 



294 



Northern 

 extreme range. 



Sarasota 



Cedar Keys.. 



N. England.. 

 Gulf of Mex . 



St. Augustine 



Gulf of Mex 

 Cedar Keys. 



C. Lookout.. 



Texas 



Gulf of Mex. 



Cape Florida 

 Hatteras ... 

 Hatteras ... 



Savannah .. 



Fernandiua . 

 Hatteras 



Fernandiua . 



