SUCCINEA. 35 



Pfeiffer observes that the specimens which he describes 

 were received from Griffith, and agree with Ferussac's fig- 

 ure of S. campestris. 



The same author mentions a variety " Unicolor, corneo- 

 lutea," from the vicinity of New Orleans. 



SUCCINEA OBL.IQUA Say vol. ii. p. 69, pi. Ixvii. b, fig. 3. 



Succinea obliqua Say (Binney's ed.) p. 32, pi. Ixxiv. f. 7. 



Chemnitz, ed. 2, p. 47, pi. v. fig. 1, 2, (1854). 

 Pfeiffer, Mon. Hel. Viv. iii. p. 15. 

 Succinea oralis Say (Binney's ed.) p. 8. 



Adams, Shells of Vermont, p. 6, (1842). 



Deshayes, in Encycl. Meth. ii. p. 20; Fer. Hist. 1. c, il. p. 139, 



(excl. syn. Gould). 

 Pfeiffer, Mon. Hel. Viv. ii. p. 524; iii. p. 15, (excl. syn. Gould). 

 Chemnitz, ed. 2, p. 48, pi, v. fig. 3, 4. 

 Succinea lineata DeKay, N. Y. Moll. p. 53, pi. iv. f. 51. 

 Succinea campesti-is of all American authors except Say. 



Pfeifier in 1841 (Symb. i. p. 7) says of Succinea obliqua, 

 " An potius Linnaeus." In 1853 he describes it as a Suc- 

 cinea. 



It has been found at Ottawa City, Canada, (J. H. Red- 

 field), and in the basin of the Red River of the North, 

 (Robert Kennicott). 



SUCCINEA TOTTENIANA Lea vol. ii. p. 65, 72, pi. Ixvii. b, fig. 2. 



Succinea ToUeniana Lea, Proc. Phil. Soc. ii. p. 32, (1841); Tr. Am. Phil. Soc. ix. 

 p. 4, (1844). 

 Pfeiffer, Mon. Hel. Viv. ii. p. 526; iii. p. 15, 

 Gould, in Terr. Moll. 1. c. 

 Succinea obliqua Binney, var. 1. c. 



I agree entirely with Lea and Gould in separating this 

 shell from S. obliqua. Its characteristics are constant and 

 well marked in specimens, in my cabinet, obtained from 

 Newport, R. I. (Lea) ; Maine, (Binney) ; Greenwich, N. Y. 

 (Ingalls) ; and Marblehead, Mass. (J. P. Haskell). 



SUCCINEA AVAR A Say vol. ii. p. 74, pi. Ixvii. c, fig. 4. 



Succinea avara Say, (Binney's ed.) p. 32, pl. 74, f. 6. 



Pfeiffer, Symb. ii. p. 56; Mon. Hel. Viv. ii. p. 525, iii. p. 15. 



