Binney on Terrestrial ^follusks. 143 



It will be noticed that the wood-cnt does not show the 

 basal tooth, as does the plate referred to. Its presence 

 seems exceptional. 



Adams (1. c.) compares it with Pupa marginala Dr., 

 while the above authorities consider it identical with P. 

 muscorum of Europe. 



PUPA CONTR ACTA Say vol. ii. p. 324, pi. Ixx. fig. 2. 



Pupa coiUracia Say, (Carychium,) Binney's ed. p. 25. 



Pfeiffer, 1. c. iii. 55C. 

 Pupa corticaria Pfeiffer, Symb. ii. p. 54, (an. var. ,3':* I'fr. 1. c.) 

 Piqia (hltustoma CiiARi'tNTiER, in Ciiemnitz. ed. 2, p. 181, pi. 21, figs. 17-19. 

 Vtrtiyo contractu Adams, Gen. ii. 172, absq. descr. 



The figure of Kiister is more like armifera. His 

 description is of contracta. 



Pvpa deltostoma is evidently this species. The descrip- 

 tion is as follows : — 



T. late profundoque rimata, ovato-conoidea, nitidula, glabriuscula, 

 alba; spira convexo-conica, obtusa ; anfr. 5 convexis, ultimo basi rotun- 

 dato, antice t-alloso ; apertura trigona, qiiadriplicata, pi. 1 lauiellilbrnii 

 in jiariote aporturali, 1 in columella, 2 in palato, peristomatc undique 

 expanso, marginibus conjunctis. Tennessee. 



PL'PA DECORA Gould vol. ii. p. 327, pi. Ixxi. fig. 2. 



Puj)a decora Pfeiffer, Men. Hel. Viv. iii. 555. 



Vtrtigo decora Adams, Gen. Kec. Moll. ii. 172, (absq. desc.) 



PUPA PENTODON Say vol. ii. p. 328, pi. Ixii. fig. 1. 



Vertif/o pent(yIon Say (Binney's ed.) p. 27. 



Pupa pcntodon Cuemmtz, ed. 2, p. 125, ])1. xvi. figs. 24-26. 



Pfeiffek, 1. c. iii. 557. 

 Pupa curvidens Pfeiffek, 1. c. ii. 



In the second volume of the Monograph, Pfeiffer places 

 both Tappaniana and curvidens in the synonymy. De 

 Kay's figure shows no tooth. Say's type is still preserved 

 in the Philadelphia Academy. Adams's description is as 

 follows : — 



