HELIX. 



139 



■white callus ; the aperture is lunate, and very oblique ; Fi;. 



the peristome is white, broadly reflected, its basal portion 

 horizontal, and its outer portion tlexuous. Greater diam. 

 20, lesser 15 ; height 8 mill. 



Helix dejecta, Gould, Terr. Moll. II, 91. 



Helix abjecta, Gould, Proc. Bost. Soc. Nat. Hist. 111,40 



(Oct. 184?) ; Terr. Moll. II, 122, pi. xiii, a, f. 2.— 



Pfeiffer, Mon. Hel. Viv. Ill, 270. 

 Helix divesta, Gould, Terr. Moll, II, 357.— W. G. Bin- 



NEY, Terr. Moll. IV, 51. — Pfeiffer, Mou. Hel. Viv. 



IV, 322. 

 Mesodon divesta, Tryon, Am. Journ. Conch. Ill, 45, pi. viii, f. 11 



Washita Springs, Arkansas. 



'3. 



Fi£r. 234. 



Helix niiiltilineata, Say. — Shell imperforate, depressed-subglo- 

 bose ; spire convex; rather thin; epidermis yellowish-brown, or russet 

 color, with numerous reddish-brown, finely undu- 

 lated, revolving lines and bands ; whirls between 

 five and six, convex, with delicate, parallel, ob- 

 lique strise, the last ventricose ; suture distinctly 

 marked : aperture lunate, slightly contracted by 

 the peristome ; peristome white, not much ex- 

 panded, reflected, rather thin ; umbilical region 

 impressed. Greater diam. 23, lesser 20 ; height 

 14 mill. 



Helix niuhilineata, Say, Journ. Acad. Phila. II, 



150 (1821); ed. Binney, 15. — Ferussac, 



Hist. pi. xlvi, a, f. 3. — Bixney, Bost. Journ. 



Nat. Hist. I, 480, pi. xiv (1837); Terr. 



Moll. II, 103, pi. iii:— Leidy, Terr. Moll. U. S. I, 254, pi. viii, f. 1-6 



(1851), anat.— DeKay, N. Y. Moll. 41, pi. iii,f. 34 (184.'5).— Pfeiffer, 



Symb. ad Hist. Hel. I, 41 ; Mon, Hel. Viv. I, 290; in Chemmtz, ed. 



2, Il,41,pl.lxxi,f. 17-19 (1849).— Reeve, Con. Icon. no. 691 (1852). 



— Deshayes in Fer. I, 113.— W. G. Binney, Terr. Moll. IV. 

 Mesodon rnultilineata, Trvon, Am. .lourn. Conch, III, 45, pi. viii, f, 8 (1867). 



In the States bordering on the Ohio River, from New York 

 to Minnesota. I have heard of a single specimen being found 

 near Philadelphia, 



The specimens figured show how variable the species is in size. 



Helix rnultilineata. 



