490 The Molluscan Famih/ Planorbidae 



PLATE 127 



Shells of Planorbidae 



1-3. Drepanotrema cimcx (Moricand). Valle de Yumuri, Matanzas, Cuba. M.C.Z., 



129995. 

 4-6. Drepanotrema cultratum (Orb.). Painters Pond, Painters, Antigua. U.S.N. M., 



272282. 



7,8. Drepanotrema cimex (Moricand). Hunts Bay, St. Andrew, Jamaica. U.S.X.M., 



378054. 

 9-12. Drepanotrema cultratum duenafsianum (Tristram). Pools alono; i-aihvay near 



Lake Amatitlan, Guatemala. B1258. 

 13-15. Drepanotrema cimex pistiae H. B. Baker. Rincon del Valle, near Caracas, 



Venezuela. U.S.N.M., 362133. 

 IQ. Drepanotrema cimex (Moricand). Jamaica. {^ Planorbis macnabianus C. B. 



Adams.) Lea Collection, probably part of original lot. U.S.N.M., 94756. 

 17-19. Drepanotrema depressissimum (Moricand). Bahia, Brazil. Paratypes. M.C.Z., 



31432. 



All figures are enlarged about four diameters 



