466 The Molluscan Family Planorhidae 



PLATE 115 



Shells of Planorbidae 



1. Helisoma caribacum (Orb.). Jocolo, Guatemala. Immature. B3869. 



2-4. Helisoma caloderma (Pilsbry). Esmeralda, Guatemala. Cotypes. U.I., Z28577. 



5-7. Helisoma eyerdami Clench and Aguayo. Lake Miragoane, 2 miles southeast of 



Miragoane, Haiti. Paratypes. M.C.Z., 83888. 

 8, 9. Carinijex jacksonensis J. Henderson. Jackson's Lake, Wj-oming. From type lot. 



B3925. 

 10-13. Carinijex jacksonensis J. Henderson. Jackson's Lake, Wyoming. From type lot. 



U.S.N.M., 510045. 

 14. Porapholyx klamathensis F. C. Baker. East side Upper Klamath Lake, 13 miles 



north of Klamath Falls, Oregon. Holotype. U.S.N.M., 406024. 

 15-17. Parapholyx klamathensis F. C. Baker. Same locality as above. Paratypes. 



U.S.N.M., 406024. 



18. Parapholyx klamathensis F. C. Baker. Same locality as above. From type lot. 



U.S.N.M., 406024. 



19. Parapholyx klamathensis F. C. Baker. Same locality as above. From type lot; 



slightly co.state. U.S.N.M., 406024. 



20. Parapholyx klamathensis F. C. Baker. Same locality as above. From type lot; 



with diagonal grooves. U.S.N.M., 406024. 

 21-23. Parapholyx klamathensis F. C. Baker. Klamath Falls, Oregon. Small form. 



No. 23, costate. U.S.N.M., 219748. 

 24-26. Parapholyx effusa costata (Hemphill). Dalles of the Columbia River, Oregon. 



Type locality. U.S.N.M., 47520. 

 27. Parapholyx effusa dalli F. C. Baker. Klamath Falls, Oregon. Holotype. U.S.N.M., 



219747. 

 28-30. Parapholyx effusa dalli F. C. Baker. Klamath Falls, Oregon. Paratypes. 



U.S.N.M., 219747. 



Figures 1-7, 24-30 are enlarged about four diameters; 

 figs. 8-23 are enlarged about two diameters. 



