Helix Cooperi W. G. Binn. in Proc. Ac. nat. sc, 

 May 1858. p. 115. 



Habitat in provincia Nebraska Statuum Unitorum (Dr. 

 Hayden). 



582a. H. vetula Gassies. f 

 „Testa parva, depressa, lenticularis, late usque ad anfr. 

 primum umbilicata; corneo-fusca , fortiter et regulariter 

 striata, striis rugas elcvatas, subtus minores formantibus; 

 anfr. 6 lente accrescentes, ultimus vix latior; sutura pro- 

 funda; apertura semilunaris, superne angulosa, basi rotun- 

 data; perist. simplex, acutum. — Diam. 4, alt. 2 mill." 

 (G. gall.) 



Helix Vetula Gassies in Journ. Conch. VII. 1858. p. 69. 



Habitat in Nova Caledonia. 

 596 a. H. Newberryana G. W. Binney. 



T. umbilicata , depressa , solida , striis incrementi et 

 spiralibus sub lente levissime granulato-decussata, sub epi- 

 dermide nigra vel rufo-brunnea alba; spira vix elevata; 

 anfr. 6 convexiusculi, regulariter accrescentes, ultimus sub- 

 depresso-rotundatus, antice vix descendens, intra aperturam 

 distinctius et confertissime spiraliter striatus; umbilicus 

 apertus, */ 4 diam e tri subaequans; apertura obliqua, rotun- 

 dato - lunaris, intus margaritaceo-albida; perist. simplex, 

 rectum, intus subcallosum, marginibus conniventibus , callo 

 tenui junctis, columellari superne subdilatato. — Diam maj. 

 34 1 / 2 , min. 30, alt. 13 — 14 mill. (Mus. Cuming.) 



Helix Newberryana W. G. Binn. in Proc. Ac. Phi- 

 lad., May 1858. p. 155. 



Habitat in California (Dr. J. S. Newberry). 

 599a. H. Fischeri Gassies. f 



„Testa orbicularis, subdepressa, carinata , late umbili- 

 cata: umbilico anfractum ultimum monstrante; fusco -lutea, 

 transverse fortiter striata et sulcis 2—3 percurrentibus, 

 praesertim in anfractibus posterioribus , reticulata, apice 

 laevigato, luteo-fusco; apertura ovalis, obliqua, latior quam 



