484 The Molluscan Family Plauorbidae 



PLATE 124 



Shells of Planorbidae 



1,2. Drepanotrema anatimim (Orb.). Para, Brazil. U.S.N.M., 348535. 



3. Drepanotrema anatinum (Orb.). Para, Brazil. M.C.Z., 72832. 



4-6. Drepanotrema anaiinmn (Orb.). Lake Miragoane, two miles SE of Miragoane, 



Haiti. M.C.Z., 83729. 

 7. Drepanotrema anatinum (Orb.). Jamaica. {^ Planorhis haldemani C. B. Adams.) 



Lea Collection, probably part of original lot of haldemani. U.S.N .M., 94758. 

 8-10. Drepanotrema anatinum (Orb.). Esperanza, Cuba. Type locality of Planorbis 



esperanzensis Tryon. M.C.Z., 85875. 

 11-13. Drepanotrema anatinum (Orb.). Baron Hills, Trelawny, Jamaica. {^^ Planorbis 



haldemani C. B. Adams.) M.C.Z., 65839. 

 14-20. Drepanotrema parapseide (Orb.). Buena Vista, Santa Cruz, Bolivia. U.M., 



87196. 

 21-28. Drepanotrema ahenum H. B. Baker. Tuccas, Venezuela. Type lot, showing age 



variation in shell. U.M., 87164. 

 29,31,32. Drepanotrema lucidum (Pfr.). Juninaguas, Dept. Loreto, Peru. U.S.N.M., 



381510. 

 30. Drepanotrema anatinum (Orb.). Juninaguas, Dept. Loreto, Peru. LT.S.N.M., with 



381510. 



All figures are enlarged about foiu- diameters 



