88 



LAND AND ERESH-WATER SHELLS OF N. A. [PART IIL 



other species found on the Cieuaga Grande, a region which is immersed a 

 portion of the time, and dry the remainder, and was once, apparently, an 

 extensive marsli, or shallow lake. {Gould.) 



AmnicoJa lon<jinqiia, Gould, Pr. Bost. S. N. H. V, 130 (Mar. 1855) ; P. R. 

 R. Report, V, 333, pi. xi, fig. 10, 11 (1S57) ; Prelim. Rep. App. 24 

 (1855^ ; Otia, 217. 



Fiff. 113 is a fac-simile of the original figures referred to. 



Doubtful and Spurious Species of Amnicola. 



Amnicola Integra, Sat of Anthony's List of Cincinnati Shells is Somato- 



gi/rus integer. 

 Amnicola gracilis, Gould, mentioned by name only, from Hot Springs, 



Va. Pr. A. N. S. Phil. II, 167. The New Zealand species of this 



name is the same as Amnicola egena, Gld., vide Otia, p. 245. 

 Amnicola elongata, Jay, Cat. [4] 278, Virginia ; no descr. 

 Amnicola seminalis, Cooper, P. R. R. Rep. XII, pt. 2, p. 374. Vide Flumi- 



nicola nuttalliana. 

 Amnicola nuttalliana, Cooper, (/. c), p. 374. Vide Fluminicola nuttalliana. 



The following are mentioned by name only in Wheatley's Cat. of U. S. 

 Shells. No description of them was ever published. 



Amnicola albilahris, Ward, Ohio. I Amnicola sayana, Lea, Ohio. 

 Amnicola dentata, Say, Florida. Amnicola pallida, Lea. See Sa- 



Amnicola gibbosa^ Anth. | matogyrus isogonus. 



Fig. 174. 



Fossil Species of Amnicola. 



Amnicola galbana, Hald. — Shell conical, smooth, shining, composed 

 of four and a half not very convex whirls, having 

 the lines of growth very fine ; base with a narrow um- 

 bilic ; aperture nearly circular, slightly produced in an 

 angle posteriorly ; labium slightly thickened ; a small 

 portion of it, which is rectilinear, in slight contact with 

 the body whirl. 



Color . . . bleached and chalky. 

 Occurs fossil in the fresh water newest tertiary deposit 

 in Sussex County, New Jersey. (Haldeman.) 

 Ainnicola gnlhana, Haldeman, Mon. p. 15, pi. i, f. 9 (1844 ?) ; pt. 4, p. 4 of 

 wrapper (1842). 



