NORTH AMERICAN CONCHOLOGY. 



477 



Tellina Burnett = Tellidora. 



Donax culminatus = D. rostratus C. B. Adams. 



Donax flexuosus Gould (sp. distinct.) 



Luiraria ventricosa =^ Mactra exoleta. 



Gnatliodon trigona Pet. = G. mendicus Gould. 



Cythcrca aquilaiera Desh. = Trigona argentina. 



? Venus succincta Val. = Anomalocardia subimbri- 



cata. 

 Hipponix tcssiJlatus = H. serratus. 

 Area trapezia = A. tuberculosa. 

 Margaritiphora ifazatlanica = M. fimbriata Dunk. 

 Ostrea palmula (sp. distinct.) 



Naranio (sp. ined.) 



Siphonaria xquilorata = S. Lecanlum. 

 Ftssurella mus= Glyphis inaequalis. 

 Rissoa lirata = Barleeia lirata. 

 Terebra Jul '(jurat a = Euryta fulgurata. 



[Other important corrections and additions have not been noticed by ine. They must 

 be consulted by the student. Indeed, it lias beeu impossible to quote this work as exactly 

 as the others of my Bibliography, owing to the thoroughness of the references, compari- 

 sons, &c— W. G. B.] 



Agassiz. — Ueber die Gattungea unter den nordaniericanis- 

 chen Najaden. Briefliche Mittheilung and en Herausgeber in : 

 Archiv. f. Naturg. 18 Jahrg. 1S52. 1 Bd., p. 41. 



[The above is a very imperfect quotation of the paper, which must be consulted by the 

 student.— W. G. B.] 



