612 



PROCEEDINGS OF THE NATIONAL MUSEUM 



VOL. 83 



platycephalus, Gymnorhynchus, 133. 



Tetrarhyuclius, 130, 131, 133. 

 platygaster, Perilampus, 369, 370, 373, 



383, 410. 

 Platydesmus, 367. 



californicus, 367. 

 Platygouus bicalcaratus, 288. 

 sp., 2S5. 

 texanus, 288. 

 Pleonotoma, 358. 



jasminifolinm, 358. 

 miocenica, 338, 340, 358, 359 (fig.), 

 tetraquetinmi, 358. 

 Plesiadapidae, 223. 

 I'lesippus, 281, 287-289. 

 cumminsii, 288. 

 proversus, 293, 294. 

 shoshonensis. 110, 111, 281, 284, 



285, 288-314 (figs.), 316-320. 

 simplicidens, 282, 288, 289, 292, 293, 

 316, 318-320. 

 Ple&ippus quarry, near Hagerman, 



Idaho, fossil hares from, 114, 119. 

 Pleurogenes, 323. 

 Pleurogenetinae, key to, 323. 

 Pleurogenoides, 323. 

 pleurouectis, Scolex, 125, 134. 

 Pleurosteriiidae, 165, 186. 

 Pliaiichenia spatula, 288. 

 pliciferus, Tetraclaenodon, 239. 

 Plioceue, late, fossil hares from south- 

 ern Idaho, 111. 

 upper, of Idaho, fossil horse re- 

 mains from, 281. 

 Pliohippus, 289, 290, 292, 

 francescana, 289. 

 osborni, 289. 

 proversus, 289. 

 Plumeria, 357. 

 Poacites, 344. 



sp., 338, 340, 344. 

 Poales, 344. 

 Podoseris, 81. 



poeyi, Hippocampus, 561, 567. 

 Polychaeta, new species of Nereidae 

 from California, 467. 

 from Amoy, China, 261. 

 polymorphus, Scolex, 134. 

 Polynemus octonemus, 154. 

 Polynoidae, 262. 

 Polyphyllastrea, 82. 

 PoljTodiaceae, fossil Venezuelan, 343. 

 Polypodiales, 343. 

 poolei, P.seudoeme, 190. 

 Populus, 382. 

 Porifera, Panama, 441. 

 Porites. 91. 



reussiana, 90. 

 Poritidae, 90, 103. 

 porosa, Gcrstaeckeria, 486. 

 Porrocaecum, 145. 



Hecundum, 125, 145. 

 thehiuru 125,145. 

 portlaudia, Debis, 253. 



Enodia, 253, 254, 256, 257. 

 Euodia portlandia, 255, 256. 



nortlandia, Papilio, 251. 



Vanessa, 252. 

 Postorchigeues, 323. 

 Poteriocrinus, 1. 

 praeclara. Basilemys, 180, 181. 

 praecursor, Serridentinus, 28S. 

 preieaco, Chryso'nalanus, 348. 

 prenticei, Ceratomeryx, 285, 28S. 

 preoliviforme, Chrysophyllum, 341. 

 pressa, Chen, 285. 

 Prestonia, 357. 

 Primates, Fort Union, 231. 

 primigeuius, Archaeolagus, 117. 

 primus, Mimomys, 285, 288. 

 Proboscidea, fossil, from Blanco, Texas, 

 288. 

 fossil, from Hagerman, Idaho, 285, 

 288. 

 Procamelus, 283, 285, 288. 

 Procampylaspis, 423, 429. 



sp., 429. 

 procera. Nereis, 468, 471. 

 Prodiacodon, 228, 229. 



concordiarccnsis, 223, 228. 

 puerceiisis, 228. 

 Prodiploastrea, 88. 



schindetvolfi, 73, 88, 89, 110. 

 prodiicta, Brachycybe. 363 (fig.). 365, 



367. 

 Pronothodectes matthcwi, 223. 

 Prosotocr.s, 323. 

 Prosthorhynchus, 154. 

 in-otclaria, Stenosmilia, 76. 

 Proteocephalidae, 135. 

 Proteocephalus. 124. 



ambloplitis, 137-139. 

 australis, 125, 135. 139. 

 clongatus, 125, 137. 

 prothoracicus, Perilampus fulvicornis, 



371. 376, 403. 

 Prothniptacodon, 233. 



fiirens, 223, 233, 2.34. 

 Protogouodon, 2.32, 233. 



pentacus, 233. 

 Protohippus, 283, 289. 

 I'rotoselene, 240, 241, 243. 

 proversus. Plesippus, 293, 294. 



Pliohippus, 289. 

 proi-ocator, Metacliriacns, 224. 23'i. 

 proxima, Toxadoci.i, 442, 44-"). 

 Psathyronictra autarctica, 248. 

 P.^eudemys idahoensis. 285. 

 Pseudoeme ornata, 189. 



poolei, 190. 

 Pseudofavia, 89. 

 Pseudolmedia, 343. 

 pseudomediafolia, Fieus, 342. 

 pseudoncanthcs, Nereis (Nereis), 470 



(fig.). 

 Psendosuborites, 449. 



sulcatus, 442, 449. 

 Psittacotherium mvdtifragum, 223. 

 Pteridophyta. fossil Venezuelan, 343. 

 I'terobothrium, 131. 



heteracauthum, 131. 

 Pteromalidae, 484. 



