— Geo. h. Clapp, Martyn's Universal Conchologist ; — Wm. 

 G. Mazyck, Showalter or Schowalter. 



Vol. XXVII, n° 10, February 1914. 



Contents : Jas. H. Ferris. Camps in tne Catalinas and 

 White Moutains of Arizona, witli description of a New Ame- 

 rican Land Shell [Ashtnunella Pilsbryana n. sp.]. — Zdenka 

 Frankenberger. Physa heterostropha Say in Europe. — 

 Bryant Walker. Notes on the Ancylidae of North Africa 

 (PI. VII). — - A. Herbert Hallen. Poisoning by the Bite of 

 Conus geographus. — Notes : J. B. Henderson, Dredge off 

 Key West, Florida ; — E. G. Vanatta, Shells from a Pleisto- 

 cene deposit near Sierra Nueva, Santo Domingo. 



Vol. XXVII, n° 11, March 1914. 



Contents : Wm. H. Uall. Notes on Some West American 

 Pectens. — Jun. Henderson. A New Sonorella from the 

 Grand Canyon, Arizona [S. Betheli n. sp.J. — Bryant Walker. 

 Notes on the Ancijlidsp of North Africa (concluded) [Ferrissia 

 platyrhynchus n. sp., Constantine ; F. Pallaryi n. sp., Alexan- 

 drie ; Gundlachia UHolelleriei (Bourguignat) n. sp., Alexan- 

 drie] (PI. VII). — Calvin Goodrich. Union of the Wabash and 

 Maumee Drainage Systems. 



Le Directeur-Gérant : H. Fischer. 



