HELIX. 



153 



pi. xsii. — Pfeiffku, Mon. Hel. Yiv. I, 382; in Chemnitz, etl. 2, II, 



63, pi. Ixxvii, f. 14-1(3.— Deshayes in Fer. I, 69.— Mks. Gkay, Fig. 



Moll. An. pi. cxciii, f. 12.— Reeve, Con. Icon. 682.— W. CI. Binney, 



Terr. Moll. IV, 70. 

 Helix richarcii, Feeussac, Tab. Syst. 43 ; Hist. pi. Ixx, tliree lower figs. 



— Lamakck, An. s. Vert. VI, 72.— Deshayes, Encycl. Meth. II, 212; 



in Lam. VIII, 40; ed. 3, III, 283.— Chenu, III. Conch, pi. xii, f. 13.' 



— Delessert, Rec. des Coq. pi. xxvi, f. 7, 

 Junior? Helix bulbinu, Deshayes in Fer. Hist. I, 108, pi. Ixxxv, f. 14-18. 



— Pfeiffer, Mon. Hel. Viv. Ill, 201.— W. G. Binney, Terr. Moll. IV, 



116, pi. Ixxix, f. 10. 

 Ulostoma profunda, Tryon, Am. Journ. Conch. Ill, 37, pi. vii, f. 3, (1S67). 



Western New York to Wisconsin, Yirginia to Kansas. 

 in the postpleiocene of the Mississippi Valley. 



Jaw arcuate, of uniform width, ends blunt ; an- 

 terior surface crowded with stout ribs, denticulating 

 either margin. 



Lingual membrane with 142 rows of 40 — 1 — 40 

 teeth ; centrals with a large, stout, obtusely pointed 

 median and two obsolete side-cusps ; laterals of same shape, but 

 bicuspid ; uncini with irregular, long denticles. 



Also 



Jaw of 

 Helix profunda. 



Fig. 262. 



Lingual dentition of Helix profunda. 



Locality. 



Strontian I.sl., L. Erie. 

 Kansas, u. St Josephs. 

 Milwaukee, Wis. 

 Illinois. 



From wliom received. 



W. G. Binney. 

 I. A. Lapham. 

 W. G. Binney. 



KPiiiarl<<. 

 Local var. 



Cab. series. 



Helix sayii, Binxey.' — Shell umbilicated, orbicnlarly-depresse.l, 

 thin; epidermis light russet, shining ; whirls between five and six, with 



' The name 11. sai/ii is preoccupied, but Wood gives no description, an I 

 even if he did, I should not reject the well-established use of the nam« for 

 this species. (See p. 89.) 



