700 
Page 
Potamomya equalis.......... 596 
UNlUEA eee rvcveecvnee 596 
—— trigonella ... ec cece eee 596 
Potamopyrgus bakert ........ 435 
COPMONATUS . cece cece eee 483 
Praticola vie ccc cece cence 138 
berlandtertana .......... 140 
SJUAVESCENS oo. eee enue 142 
GTSC01A oo eee eee, 141, 623 
OCAMPt vec csscccveveees 138 
Praticolella .........04. 130, 137, 
138, 139, 623, 624 
ampla we. eee eee. 139, 623 
—— berlandieriana ...... 139, 660 
— , var. griseola .. 139, 660 
Griselda oe ee cece eee 623 
strebeliana .......6..0. 623 
Pratineola .. ccc ccc ee 188 
DC 477 
Priodontur@ oo... ccc cece e 624 
Procerpend ve eeccccececcues 44 
PROSERPINA ............ 44, 609 
Proserpind .. 0. ccc 21, 28 
(Proserpinella) berendti .. 45, 
609 
—— berendti.............. 22, 44 
—— (Ceres) eolina . 44, 609 
COUNA ..... cece 22, 44, 45 
—— (Ceres) nelsoni ........ 609 
—— ( ) salleeana 45, 609 
—— salleand ..........., 22, 44 
Proserpinella ..... 0.600000. 44, 45 
berendti ....... 6.0. 45, 609 
Pseudodon ... cee ccc cece eee 479 
PSEUDOHYALINA ........ 124, 620 
berendti .............. 126 
: berendtt..... 0... 2c ee 124 
—— blakeana .............. 125 
c@cowdes wi... ee cee e. 131 
cidariscus .............. 126 
CUdArISCUS ». ee 124, 659 
elegantula ............ 125 
elegantula .......... 124, 126 
—— guatemalensis .......... 132 
mazatlantcd woe... cece. 127 
—— minuscula.......... 124, 620 
MANUSCULA . ee eee ccccee. 125 
Pseudoleila ..........4. 525, 527, 
528, 586, 539, 673 
PSEUDOSUBULINA........ 301, 688 
Pseudosubulina .. 300, 302, 303, 305 
—— berendti 301, 638 
berendti 302, 3038, 6839 
—— ——., var. gracilior ...... 508 
» Var. gracilior ...... 302 
, var. occidentalis .. 638 
INDEX. 
Page 
Pseudosubulina (?) chiapensis.. 303 
——— chiapensis ... 6.6.0.0 0 00. 302 
—— fortis.............0000. 304 
Sortts. ccc. cce 302, 303, 665 
lirifera 2.2.2... 2. eee 304. 
—— lirifera ... 0.6.60 .. 302, 665 
—— miradorensis.....6..6.45 639 
—— mitescens .............. 304 
—— mitescens .......... 302, 665 
—— robusta ............000. 304 
—— robusta .......4..6. 302, 665 
—— (?) salvimi.............. 305 
SUIVINE 6. ce eee 302, 665 
—— (P) sargi ww... eee, 303 
| 302, 305 
texoloensis ............ 639 
-—— (?) trypanodes .......... 303 
trypanodes .... 302, 305, 665 
Psoronatas . 480, 481, 482, 490, 
491, 493, 500, 514, 648 
Pteranodon ... ccc ccc veces 524 
Ptychoderma ... 0.0... eee 649 
PUPA Looe eee 325, 640 
Pupa .. 273, 286, 326, 327, 329, 605 
-albtlabris . 6... ee eee 329 
antivertigo  ....... 646. 327 
Chordata ...... eee eee 330 
—— cocosensis.............. 640 
—— contracta .............. 327 
CONUTAHH Lecce cece 326 
—— decollata .............. 260 
deltostoma oo... 00. e eee 327 
AO 352 
Fallax vee cee 329 
gabbi, var. mexicanorum.. 641 
leucodon .............. 325 
leucodon cece eee cveens 326 
MOdeSth over rece eecee 327 
cerstedi .... ce. eee ee eee 325 
—— arstedt oo. ec ec e cece. 326 
—— ovata... . ee cece eae 327 
——— 0A eee 326 
PURE eee cece een eee 328 
pellucida .............. 828 
pellucida ..........000. 526 
prototypus ............ 641 
PUPNCUA eee eee ee enene 641 
i 828 
SEPVUUS vee eee eee eee 328 
0) [a 328 
Pupertta ccc ccc ceecceees 468 
PUPIDH. 1. eee eee eee eee 325 
Pupilla vie cece cece ee eeeee 825 
a 325 
PUPOIDES .................. 329 
Pupoides ..... cece cee. 326 
Page 
Pupoides chordatus .......... 330 
chordatus ..........-4.. 326 
—— marginatus ............ 829 
MANGinatUus ........ 326, 666 
Purpura kiosquiformis ........ 593 
scalariformis ...... 600. 593 
PYCNOGYIA viveveverccaes 124, 126 
berendti occ ccc eccccvvces 126 
Pyganodon ei. cecccervccces 524 
Pyramidula .. cece cece eee 621 
PYPA2U8 cece cee 569 
Pyrqodomus .icccvevevccveee 602 
Pyrgqula coronata .. 6... eee. 433 
Pyrgulopsis coronatus ........ 433 
—— hydrobiordes ..... 6.0044. 435 
nicaraguanus ...... 433, 434 
patzcuarensis . 6... 6... 454 
SPUNOSUS ee cence eens 433 
WPIGhtt oo. eens 433, 434 
PYP GUS GPUNENT oo eee 245 
tropwealis oi... cece eee 253 
Quadrula . .... 480, 648, 649, 653 
guatemalensts wi... .eee. 649 
PUI Lees 648 
Rapana kiosquiformis ........ 593 
Resupinadta soe... eee. 255 
Rhabdotus oo... c cece cece 238 
Rhinocoryne ........ 567, 568, 574 
Bhodea vec. eee. 311 
Riesige Neritine ........00.. 472 
Riss0d eee eee 477 
Rissota eee eee 477 
Rotundarta oo... ee, 480, 648 
Rumina caracasensis ........ 637 
decollata ........00 ee. 564 
—— trochlea .... 06... eee, 638 
SALASIELLA  ..........., 81, 613 
Salasiella ...... ee ce 82, 301 
elegans ..............., 615 
ClEGANS oe ee eee eee een 674 
—— joaquine ........., 81, 613, 
——— JOUQUINE oo. eee eee eee 82 
margaritacea .......... 
—— margaritacea ........ 82, 658 
—— modesta .............. 81 
——  MOMESA. eee ec ceceee, 82 
—— perpusilla .......... 83, 613 
perpusilla ... 6... cee, 82 
——~ pferffert oo eceeec eee. 613 
pulchella.........., . 83, 613 
pulchella oo... een. 82, 658 
Scalaria ... 0. cece ceeeeee 311 
