7*20 
PsEUDO-RllIPlDOGLOSSA, II, 113 . 
Pseudosurulina, II, 681, 68a. 
PSORONAIAS, Crosse et Fischer, U, 
556 , 569 , 688 . 
Pterocyclus, II, 1 53 . 
— variegatus, II, i 48 . 
Pdlmonifera, II, 109, 110, 298. 
PUPA, Draparnaud, I, 307 , 699. 
— Arizonensis , I, 309. 
— armifera, I, 809. 
— Blaudi, I, 809. 
— Californica, I, 309. 
— chordata, Pfeiffer, I, 809, 3 io, 
313. 
- — contracta, I, 809. 
— corpulenta, I, 309. 
— corticaria, I, 309. 
— curta, I, 3 10. 
— eylindracea, I, 6 2 3 . 
— decollala, I, 363 , 867. 
— décora, I, 309. 
— Eyriesi, I, 3 io. 
— faüax, I, 309, 3 i 4 . 
■ — Hoppü, I, 309. 
■ — hordacea, I, 809. 
— incana, I, 3 og. 
— infundibuliformis, I, 3 10. 
Quadrui.a, II, 539, 54o. 
RADIX, Montfort, II, 46, 52. 
Rangia, II, 4g5, 684. 
Riubdotus, I, 4ag. 
— dealbatus, I, 566. ; 
Rhincs, I, 46a. 
RHIPIDOGLOSSES, II, 372. 
INDEX ALPHABÉTIQUE. 
PUPA leucodon, Morelet, I, 3 io, 
311 . 
— Limensis, I, 3 10. 
— miiiola, I, 3 10. 
— modesla, I, 3 16. 
— modica, I, 809. 
— muscorum, I, 309, 6 a 3 . 
— nodosaria, I, 3 10. 
| — oblonga, I, 3 10. 
— OErstedti, I, 3 10. 
— ovata, I, 3 16. 
— ovulum, I, 3 16. 
— Paradesi, I, 3 io. 
— Pazi, I, 3 10. 
— pellucida, Pfeiffer, I, 309, 3 io , 
311 , 3 1 3 ; II, 681. 
— penlodon, I, .809. 
— Riisei, I, 3 1 3 . 
— Rowelli, I, 309. 
— rupicola, I, 309. 
— servilis, I, 3 1 3 . 
— variolosa, I, 309. 
Puperita, II, 456 , 471. 
— pupa, II, 488 . 
Pi pn.LA leucodon, I, 3 i 1. 
Pupina , II, 1 53 . 
PUPINÆ, I, 307 . 
Q 
R 
Riiodonyx, I, 576 , 65 1 . 
— rubescens, I, 644. 
Rhysota, I, 291. 
Rissoa, II, 110. 
Rissoia, II, 255, ag5. 
IirssoriiÆ, II, a53. 
PYGANODON, Crosse et Fischer, II, 
518, 529. 
Pyrgidium Tournouëri, II, 97 3 . 
PYRGODOMUS, Crosse et Fischer, 
II, 440. 
PYRGOPHORUS, Ancey, II, 260, 
261, 265. 
— (?) Bakeri, Piisbry, II, 277. 
— (?)spinosus, II, 977. 
Pyrgophysa, II, 82. 
Pyrgula, II, 261, 974. 
Pyrgülopsis, II, 261. 
— coronatus, II, 266. 
— hydrobioides, II, 961, 268. 
— Mississipiensis, II, 277. 
— Nevadensis, II, 961, 977. 
— Nicaraguanus, II, 968. 
— (?) Patzcuarensis, Piisbry, II, 
277. 
— scalariforrais , II, 277. 
— spinosus, II, 266, 277. 
— Wrigbti, II, 261, 968. 
Pyrgos, I, 462 . 
— Griineri, I, 547. 
— tropicalis, I, 5 o 4 . 
Rivclaria, II, 278 . 
Rotdkdaria, II, 53g, 54o. 
Rowellia radiata, II, 107 . 
Rumina, I, 583, 585; II, ia3, 3ao. 
— - decoliata, I, 5g4, 629 , 63o. 
— - octona, I, 64o. 
— truncata, I, 392 . 
