458 



Index. 



deflexum, 427, 429 



elevatuni, 434 



exiguum, 428 



ferrugineum, 427 



griseolum, 427, 432 



idahoense, 428 



indianense, 428 



limpidum, 427, 433 



magnum, 426 



medianum, 438 



notophthalmi, 426, 434, 435 



orcasense, 428, 435, 436 



ovum, 434 



paradoxum, 427, 431 



pauperculum, 425, 433 



pauperculum nylanderi, 427 



pilula, 428. 437 



prognathum, 428, 436 



pusillum, 436 



rotundatum, 427 



sargenti, 434 



scutellatum, 434 



sphaericum. 427 



splendidulum, 427 



tenuissimum, 425 



variabile, 425, 426, 431 



ventricosum, 427 



vesiculare, 425 

 Plagiola elegans, 149 

 planiceps. Euscirtus, 142 

 Plants (Fossil). Annotated List of the 

 Dakota Formation (Cretaceous) in 

 the collections of the Carnegie 

 Museum, including Descriptions of 

 three new species. By E. M. Gress, 

 274—281 

 Platanacese, 306, 307, 309 

 Platanus, 301, 306. 307, 309 



appendiculata, 310 



cissitifolia, 310 



Guillelmje, 310 



Haydenii, 310 



occidentalis. 298. 304, 310, 311 



primseva, 298, 310 



primaeva, var. grandidenta, 310 



Wrightii, 309, 315 

 Platyblemmidae, 140 

 Platytettix arcuatus, sp. nov., 8 



gibbinotus, 8 



Key to the species of, 8 



reticulatus, S 



uniformis, 8 

 Pleurobema, 178 



coccineum, 150 



obliquum, 150 



obliquum coccineum, 151 



pauperculum, 151 

 plicata, Amblema, 151 

 plorans, Euprepocnemis, 118 

 Pcecilozonites bermudensis, 361 

 populifolius, Betulites, 290, 291 

 Populites elegans, 288 



litigiosus, 288 

 Populus Berggreni, 286 



kansaseana, 287 

 Porter, Death of Mr. Henry Kirke, 



237 

 praemorsus, Corycus, 129 

 prasina. Copiocera, 65, 66 

 pratensis, Parachloebata, 2"] 



Scyllina, 33. 34 

 primaeva, Diospyros, 326 



Platanus, 298 

 Prionolopha, 37 



serrata. 38 

 Proboscidea, 228, 230 

 Procellaria cooki, 353, 360, 363, 365 

 Procellaridae, 371 

 procera, Oxyrrhepes. 106 

 Procolpia emarginata, 36 



minor, 36 

 producta, Rodunia, 98 



Scaria, 15 

 prognathum, Pisidium, 428, 436 

 propinqua, Acrida. 97 

 Proptera, 175, 176, i77 



alata, 151 

 Prorachthes insignis. 42 

 Prorhachis granulosa, 37 

 Proscopia, 21 



scabra, 22 

 Proscopidae, 21 

 proteaefolia. Laurus, 306 

 Proteoides daphnogenoides, 296 

 Protophyllum, 317. 318 



Leconteanum, 317, 319, 320 



ovatum, 317, 318 



rugosum, 317, 318 ^ 



Sternbergii. 317, 319. 320 



viburnifolium, 317, 318 

 Protoplatanus, 307 

 Prototettix fossulatus, 11, 12 

 Pseudophyllidae, 124 

 Pseudorhynchus lanceolatus, 121 

 Psinidia fenestralis, 34 

 Pteropera karschi. 112 



Key to the Species of, 1 1 1 



pictipes, 112 



uniformis. n. sp., 11 1, 112 



verrucigena, 112 



