468 



LIFE OF THE PLEISTOCENE 



y 



uo 



81, 88-95, 99, 103, 121, 124, 126, 127, 135, 

 136, 138-145, 147, 149, 150, 155-159, 161- 

 166, 170, 172, 179, 188, 225, 227, 232, 236, 

 237, 242, 260, 261-264, 278, 281, 289, 295, 

 307, 313, 324, 330, 338, 350, 352, 358, 

 370, 387. 



Planorbis parvus urbanensis, 128, 188, 387. 



Planorbis rubellus, 145, 188, 274, 387. 



Planorbis trivolvis, 11, 12, 17, 23-27, 29, 30, 

 33, 35, 38, 39, 46, 47, 56, 64, 72, 81, 88-91, 

 94, 99, 103, 124, 128, 135-138, 141, 144, 

 147, 155, 157, 170, 172, 179, 188, 257, 

 261, 266, 267, 281, 314, 324, 338, 370, 387. 



Planorbis umbilicatellus, 144, 188, 387. 



Platanus occidentalis, 170, 185, 211, 302, 305, 

 329, 336, 380. 



Platygonus, 354. 



Platygonus compressus, 131, 141, 146, 153, 

 191, 194, 209, 210, 213, 233, 315, 341, 

 354, 359, 371, 395. 



Platygonus vetus, 209, 213, 311, 341, 395. 



Platynus casus, 331, 340, 391. 



Platynus delapidatus, 331, 340, 391. 



Platynus desuetus, 331, 340, 391. 



Platynus dissipatus, 331, 340, 391. 



Platynus exterminatus, 331, 340, 391. 



Platynus halli, 331, 340, 391. 



Platynus hartii, 331, 340, 391. 



Platynus hindei, 331, 340, 391. 



Platynus interglacialis, 331, 340, 391. 



Platynus interitus, 331, 340, 391. 



Platynus longaevus, 331, 340, 391. 



Platynus pleistocenicus, 291, 340, 392. 



Platynus subgelidus, 291, 340, 391. 



Plethobasus aesopus, 125, 186, 382. 



Pleurobema clava, 160, 329, 330, 337, 383. 



Pleurobema coccineum, 83, 96, 148, 149, 160, 

 186, 193, 329, 330, 337, 382. 



Pleurobema coccineum magnalacustris, 23, 

 26, 30, 32, 34, 37, 38, 54, 58, 82-85, 96, 

 101, 109, 148, 149, 186, 193, 383. 



Pleurobema obliquum, 273, 280, 303. 



Pleurobema pyramidatum, 329, 330, 337, 

 383. 



Pleurocera, 122, 136, 159, 268, 281, 385. 



Pleurocera alveare, 273, 281, 385. 



Pleurocera canaliculatum, 157, 273, 274, 281, 

 285. 



Pleurocera elevatum, 11, 12, 64, 90, 99, 102, 

 125, 134, 187, 329, 330, 338, 3S5. 



Pleurocera elevatum lewisii, 99, 329, 338, 



385. 

 Pleurocera pallidum, 330. 

 Pleurocera subulare, 60, 99, 124, 149, 160, 



187, 293, 329, 338, 385. 

 Pleurocera unciale, 273, 281, 385. 

 Plummer, 305. 

 Polygonum, 380. 



Polygyra, 122, 226, 271, 296, 370. 

 Polygyra albolabris, 136, 143, 144. 157, 159, 



160, 162, 189, 268, 269, 282, 303, 306, 



308, 339, 356, 359, 362, 390. 

 Polygyra albolabris alleni, 355, 359, 390. 

 Polygyra albolabris dentifera, 162. 

 Polygyra albolabris dentata, 189, 390. 

 Polygyra appressa, 268, 269, 282, 303, 339, 



355, 359, 362, 390. 

 Polygyra clausa, 124, 143, 189, 254, 268, 282, 



297, 339, 355, 359, 389. 

 Polygyra divesta, 257, 267, 356, 259, 390. 

 Polygyra elevata, 143, 189, 268, 269, 282, 



303, 307, 308, 314, 339, 355, 359, 362, 390. 

 Polygyra exoleta, 303. 

 Polygyra fraterna, 268, 269, 282, 307, 308, 



339, 355, 359, 362, 389. 

 Polygyra fraudulenta, 142, 144, 189, 362, 



390. 

 Polygyra hirsuta, 142, 144, 172, 189, 255, 



256, 267-269, 282, 296, 306, 307, 314, 



339, 355, 356, 359, 389. 

 Polygyra inflecta, 142, 189, 268, 282, 303, 



339, 359, 363, 390. 

 Polygyra leai, 255, 256, 257. 

 Polygyra mitchelliana, 143, 189, 303, 339, 



389. 

 Polygyra monodon, 138, 139, 144, 158, 160, 



172, 189, 227, 242, 253, 254, 256, 257, 



267-269, 282, 297, 303, 306-308, 339, 347, 



355, 356, 359, 389. 

 Polygyra multilineata, 124, 125, 138, 143, 



144, 172, 189, 227, 242, 252-257, 266, 267, 



269, 282, 297, 303, 306, 307, 339, 347, 



348, 356, 359, 362, 390. 

 Polygyra obstricta, 363. 

 Polygyra palliata, 144, 189, 303, 339. 

 Polygyra pennsylvanica, 144, 189, 297, 303, 



339, 355, 359, 390. 

 Polygyra profunda, 124, 125, 143, 144, 172, 



189, 227, 242, 253, 256, 266, 267, 268, 282, 



303, 314, 339, 348, 355, 359, 362, 390. 



