GASTEROPODA. 203 



Helix niiida Muller, Verm. Terr, et Fluv. Hist., 1774, vol. 2, 



p. 32. " IN SCALA LAPIDEA HORTI FrIDRICHSBERGENSIS." 



Hyalina nitida Binney and Bland, Smithson. Misc. Coll., 1869, 

 vol. 8, art. 3, p. 31, figs. 35, 63, 



Me. — Bar Harbor. 

 Mass. — Dorchester. 

 R. I. — Tiverton. 



*Zonitoides arborea (Say). 



Walker, Kept. Geol. Surv. Mich.,1906, p. 484, fig. 58. 

 Helix arhoreus Say, Nich. Encycl., 1817, pi. 4, fig. 4. [United 

 States.] 



Hyalina arborea Gould, Inv. Mass., 1870, p. 396, fig. 655. 



Me. to Conn. — Common on decaying logs and stumps. 



Zonitoides (Pseudohyalina) minuscula (Binney). 



Walker, Rept. Geol. Surv. Mich., 1906, p. 485, fig. 60. 



Helix minuscula Binney, Boston Journ. Nat. Hist., 1840, vol. 3, 

 p. 435, pi. 22, fig. 4. " Ohio." 



Pseudohyalina minuscula Morse, Journ. Portland Soc. Nat. Hist., 

 1864, vol. 1, p. 16, fig. 34. 



Hyalina minuscula Gould, Inv. Mass., 1870, p. 399, fig. 658. 



Me. — Vicinity of Portland; Kennebunk; Rockland; North 

 Haven. 

 Vt. 



Mass.— Westport ; ' Duxbury ; Blackstone. 

 R. I. — Tiverton. 

 Conn. — Hartford; Whittemore; New Haven. 



*Zonitoides (Pseudohyalina) exigua (Stimpson). 



Walker, Rept. Geol. Surv. Mich., 1906, p. 485, fig. 61. 

 Helix exigua Stimpson, Proc. Boston Soc. Nat. Hist., 1850, vol. 3, 

 p. 175. " Massachusetts, vicinity or Boston." 



