Mr. r. 1). A. Cockercir.s AW.s- on .SVm/^^ 383 



Or, taking measurements : — 



(a) The Virji^inia caroUnensis. — Long. 3.j iniUiin., sole, 



lat. 3 inilliui. 



(b) nehuhsa, no. 1 above. — Long. 35 mlUini., sole, lat. 



7^ millim. 



(c) nebulosa, no. 2 above. — Long. 36 millim., sole, lat. 



S millim. 



Rafinescjue described five supposed species belonging to 

 Philonn/cHs and Euwelus in 1S20 as qnadriluSj oxurus^ flexiio- 

 hin's, fuscusj and b'vidus. They will probably prove to be 

 varieties of nebulosa or caroUnensis^ but they have not yet 

 been identified. 



Limacella aurata (Tate). 

 A little-known species from Nicaragua. 



Limacella crosseana (Strebel). 

 Mexico. Seems near to L. caroUnensis. 



Limacella costaricensis (Morcli). 

 Costa Rica. 



Limacella Sallei (Cr. & Fisch.). 

 Mexico, State of Vera Cruz. 



Limacella dorsalis (Binney). 



PhilomyLus (hrsalis, Binney, Bost. Journ. Nat. Hist. 1842, iv. 174. 

 Pallifera dorsalif, Morse, Journ. Portl. Soc. 1804. 



N.E. United States. Jaw ribbed. 



Limacella Wetherhyi (W. G. Binney) . 



Pallifera Wetherhyi, W. G. Binney, Ann. Lye. of Nat. Hist, of New 

 Ybrk, 1874, xi. 31, pi. ii. figs. \, 2. 



Kentucky. Jaw ribbed. 



