7-20 



PsEUDO-RhIPIDOGLOSSA.II, ,112. 

 PSEUDOSDBULINA, II, 68 1, 68a. 



PSORONAIAS, Crosse et Fischer, II, 

 556,569,683. 



Pterocyclus, II, i53. 



— variegatus, II, i48. 



Pdlmomfera, II, 109, 110, flgS. 



PUPA, Draparnaud, I, 307, 699. 



— Arizonensis, I, Sog. 



— armifera, I, 809. 



— Blaiidi, I, 009. 



— Californica , I, 809. 



— chordata, Pfeiffer, I, 809, 3 10, 



313. 



— contracta, I, 809. 



— corpidenta, I, 809. 



— corticaria, I, 809. 



— curta, I, 3 10. 



— cyiindracea, I, 638. 



— decoilata, I, 368, 867. 



— décora, I, 809. . 



— Eyriesi, I, 810. 



— faUax, I, 809, 81 4. 



— Hoppii, I, 809. 



— hordaçea, I, 809. 



— incana, I, 809. 



— infundibuiiformis , I, 010. 



INDEX ALPHABÉTIQUE. 



I PUPA leucodon, Morelet, I, 3io, 

 311. 



— Limeusis, I, 3io. 



— milioia, I, 3io. 



— modesta, I, 3 16. 



— modica, I, 809. 



— muscoriim, I, 809, 638. 



— uodosaiia, I, 3 10. 



— oblonga, I, 3 10. 



— OErstedti, I, 810. 



— ovata, I, 3 16. 



— ovulum, I, 816. 



— Pai-adesi, I, 3 10. 



— Pazi, I, 810. 



— pellucida, Pfeiffer, I, 809, 810, 



311, 3i8; II, 681. 



— penLodoQ, I, 809. 



— Riisei, I, 81 3. 



— Rowelii, I, 809. 



— rupicola, I, 809. 



— serviiis, I, 3i3. 



— varioiosa, I, 809. 



PupERiTA, II, 656, 671. 



— pupa, II, 488. 



Pu PILLA leucodon, I, 3ii. 

 PuPlNA, II, i58. 

 PUPIN^, I, 307. 



PYGANODON, Crosse et Fischer, II, 

 518, 529. 



Pyrgidium Tournouëri, II, 278. 



PYRGODOMUS, Crosse et Fischer, 

 II, 440. 



PYRGOPHORUS, Ancey, II, 360, 

 261,265. 



— (?) Bakeri, Piisbry, II, 277. 



— (?) spinosus, II, 377. 



Pyrgophvsa, II, 82. 

 Pyrglla, II, 261, 27/1. 



Pyrgulopsis , II, 261. 



— coronatus, II, 266. 



— hydrobioides , II, 261, 268. 



— Mississipiensis , II, 277. 



— Nevadensis, II, 261, 277. 



— Nicaraguanus , II, 268. . 



— (?) Patzcuarensis, Piisbry, II, 



277. 



— scalariformis , II, 377. 



— spinosus, II, 266, 377. 



— Wrighti, II, 261, 968. 



Pyrgds, I, 462. 



— Griineri, I, bà'j. 



— tropicalis, I, 5o4. 



Quadrula, II, 089, 54o. 



Q 



RADIX,Montfort,II,46, 52. 



Rangia,II,/i95, 68i. 



Rhabdotus, I, 429. 

 — dealbatus, I, 566. 



Rhinus, I, 462. 



RHIPID0GL0SSES,II,372. 



R 



Rhodonyx, I, 676, 65 1. 

 — rubescens, I, 644. 



Rhysota ,1,221. 



RissoA, II, 110. 



RissoiA, II, 355, 295. 



RlSS01D;E, II, 208. 



RiVOLARIA, II, 278. 

 ROTUNDABIA, II, 539, ^^0. 



RowELLiA radiata, II, 107. 



Rumina, I, 583, 585: II, 128, 820. 



— decoilata, I, 694, 639, 680. 



— octona, I, 64o. 



— truncata, I, 892. 



