137. P. pcntodon (Vcrtigo) Say. 



T. subperforata, ovato-conica, a[)ice obtusiuscula , sublilis- 

 siiiie slriatula, pellucida, corneo-albida; aiifr. k^j-i. — 5 convexius- 

 culi, ultimus basi rotundatus; apertura subseinicircularis, 5 — 

 8-dentata: dente 1 parietali, 1 transverso columellari (saepe ad- 

 stante niinore), palatalibus 3 — 5; perisl. simplex, expansiuscu- 

 lum. — Long. 2, diam. 1 mill. Ap, y» mill. longa. (Coll. Nr. 84.) 

 Vertiqo pentodon Say in Philad. jouin. II. P. 2. p. 376. *) 

 Pupa Tappiana Ward , Adams in Sillini. journ. XL. Sui)pl. 



— — Pfr. Synib. II. p. 55. 



— pentodon Gould \n Bost. journ. IV. p. 353. t. I 6. f. I 0. **) 

 /V. Dentibus usque 9, paiietali et basali maximis, incurvis. 



Papa curvidens Goidd vct[)ovI \>. 18 9. f. 12 0.***-) 



— pentodon (i Gould in Bost. journ. IV. p. 353. t. 1 6. f. H. 

 llabitat in America boreali : Pennsylvania, Massachusetts, Vermoiit. 



138. P. carinata GouH. "f 



T. minima, ovato-conica, luteo-cornea; anfr, 5 laeves, sub- 

 carinati, ultimus acute carinatus; sutura profunda; apertura am- 

 pla, oblique semiovalis, dentibus 5 instructa, (|Uoruin major 

 posticus, torsus et bifurcatus, 2 ad columellam, 1 in faucem et 

 1 in labrum positi; perist. late et inaequaliter reflexum; umbili- 

 cus minimus. — Long. 0,08, lat. 0,05 poll. (G.) 



Pupa carinata Goidd in Bost. journ. 18 42. IV. Nr. 1. 

 Habitat in America boreali: Maryland. 



139. P. SchultzBi Philippi. 



T. rimata, subcjlindrica, tenuis, glabrS; nitida, fulva; s|)ira 

 sensim attenuata, apice obtusa; anfr. 5V:; perconvexi; aperlura 

 lunato-rotundata, 5-dentata: dente 1 compresso in pariete aper- 

 turali, 1 in columella, 3 in palato profundis, inHmo minimo; 



*) Shell ilextral, subovale, whilish horn-colour; apexobluse; whorls o, 

 glabrous, convex; sulure not very deeply impressed; aperture semioval; labiuui 

 two-toothed, of vvl)ich a single very promiiient one is on Ihe niiddle ol' tlie 

 transverse portion or true lal)ium, and tiie other is remote, niuch smaller, aiid 

 placed in the basal angle of Ihe columella; labruni regularly arqualed , Iriilen- 

 tate, looth nearest tlie base very small and jilaced iiear the smaller (ooth of llie 

 columella, the two othors larger , subequal ; undiilicus distinct. — Lenglli less 

 Ihan y,„". (Say 1. c.) 



**) T. ovato-oblonga , albida, uiiibilicata ; anfr. 3 convexis , apice sub- 

 acuta; apertura oblique seiuiovata, dentibus 5 — 8 instrucla , quorum I — i 

 postice, 2 ad columellam , 2 — 5 ad labrum positis; labro expanso. — I.oiig. vix 

 Vi„ poU. (Gould 1. c.) 



***) Shell elongated-ovale, obtuse atapex, smooth; whorls 5: apeiture sub- 

 Iriaiigular, armed with 9 leelh, the two largest of which are curved; lip white, 

 broadly everted ; umbilicaled, Length '/,3, breadlh '/ju inch. (Gould I. c. ) 



