Index. 



551 



Petalostemon virgatum, 176. 

 Petricola bulbosa, Gould, 389. 

 Phaseolus diversifolius, 170. 



retusus, 170. 



Phillyra, nov. gen. Hentz, 24. 



mammeata, " 25. 



riparia, " 26. 



Pholas ovoidea, Gould, 388. 

 Pholcus, 284. 



= Atlanticus, Hentz, 284. 



Phoradendron, 212. 



Californicum, 213. 



flavescens, 212. 



juniperinum, 213. 



lanceolatum, 213. 



tomentosum, 212. 



villosum, 212, 



Phoxus grandis, Stimpson, 521. 

 Phycis Americanus, 267. 

 Phyllodurus, nov. gen. Stimpson, 511. 



abdominalis, " 511. 



Phyllolithodes papillosus, 476. 



Physa elata, Gould, 379. 



Pinaropappus roseus, 232. 



Pinnixa faba, 470. 



Pinnularia calamitarum, Lesq'x, 431. 



confervoides, u 431. 



fucoides, " 431. 



horizontaiis, " 431. 



pinnata, " 431, 



Pisidium, Monograph of North American 



Species of, 348, 367. 

 Pisidium abditum, 359. 



Adamsii, Prime, 352. 



altile, 353. 



arcuatum, Prime, 364. 



— compressum, " 356. 



dubium, 354. 



equale, 367. 



equilaterale, Prime, 366. 



ferrugineum, '' 362. 



Kurtzii, " 361. 



— minus, 360. 



notatum, Prime, 365. 



obscurum, " 359. 



regulare, " 363. 



rotundatum, "Prime, 357. 



tenellum, 358. 



variabile, Prime, 351. 



ventricosum, Prime, 355. 



zonatum, " 364. 



Plantse Lindheimerianse. Part II. 



141. 

 Platessa plana, 267. 



rostrata, 268. 



Platichthys rugosus, Girard, 541. 

 Plectrophanes nivalis, breeding habits of, 



306. 

 Pleuronichthys guttulatus, Girard, 542. 

 Pluchea camphorata, 224. 

 Pogonichthys ingequilobus, 541. 

 Polanisia trachyspenna, 150. 

 Polygala Lindheimeri, Gray, 150. 

 Polymnia uvedalia, 225. 

 Polynoe, Embryonic development of, 1. 



Polypterus, new species . of, from Africa, 

 241. 



Porcellana Edwardsii, 480. 



rupicola, Stimpson, 480. 



Porcellio gemmulatus, 506. 



Portulaca Gilliesii, 155. 



lanceolata, Gray, 154. 



oleracea, 154. 



pilosa, 155. 



retusa, Gray, 154. 



Prime, Temple. On the species of Pisid- 

 ium found in the United States, 348. 



Procellaria Bulwerii, Description of its 

 Egg, 309. 



Procellaria obscura, Egg of, 310. 



Proserpinaca pectinacea, 191. 



Prunus minutiflora, 185. 



rivulai-is, 186. 



Pselaphus Erichsonii Le Conte, 81. 



longiclavus, " 81. 



Pselaphidas of the United States, Descrip- 

 tions of, 65; Index to, 109; Table of 

 corresponding genera and species of 

 Europe and the United States, 67. 



Psettichtbys sordidus, G., 543. 



Pseudograpsus nudus, 469. 



Oregonensis, 468. 



Psoralea cuspidata, 172. 



cyphocalyx, Gray, 172. 



floribund'a, 173. 



hypogsea, var. scaposa, 173. 



Puffinus major, Egg of, 310. 



Pugettia gracilis, 456. 



Richii, 457. 



Purpura pansa, Gould, 406. 



Pyrrhula nigra, 317. 



Randallia, nov. gen. Stimpson, 471. 



ornata, 471. 



Ranunculus repens, var. macianthus, 



141. 

 Rare Shells from California, 407. 

 Rhabdocarpus venosus, Lesq'x, 431. 

 Rhacocheilus toxotes, 541. 

 Rhexius, nov. gen. Le Conte, 102. 



insculptus, " 103 



Rhinolithodes Wosnessenskii, 476. 

 Rhinoptera vespertilio, Girard, 544. 

 Rhus copallina var. leucantha and 



lanceolata, 158. 



toxicodendron, 159. 



(Lobadium) trilobata, 159. 



virens (Lindheimer, Mss.), 159. 



Rhynchosia Texana, 171. 



Rogers Henry D. Observations on Fossil 



Plants of Pennsylvania Coal-fields, 409. 

 Rosa foliolosa, 186. 

 Rudbeckia bicolor, 227. 

 Rutosma Texana, 158. 



Salar iridea, Girard, 541, 

 Salmo fontinalis, 264. 



fontinalis, habits of, 49. 



immaculatus, H. R. Storer, 264. 



salar, 264. 



