548 



Index. 



Erigeron modestum, 220. 

 Erodium Texanum, 157. 

 Eryngium Leaven worthii, 209. 



prsealtum, 210. 



Ravenellii, Gray, 209. 



Virginianum, 210. 



Erysimum Arkansanum, 144. 

 Eucnide Bartonioides, 191. 

 Eupatorium ageratifolium, (3. Texense, 

 219. 



— — serotinum, 219. 



Eupagurus armatus, Stimpson, 484. 



: — Bernhardus, " 483. 



hirsutiusculus, " 484. 



Mertensii, 483. 



Middendorffii, 482. 



Samuelis, Stimpson, 482. 



tenuimanus, k ' 483. 



Euplectus arcuatus, Le Conte, 106. 



canaliculars, " 107. 



confluens, " 105. 



difficilis, lt 106. 



dubius, "' 108. 



globifer, " 107. 



interruptus, " 105. 



linearis, " 104. 



parvulus, " 108. 



pumilus, " 106. 



Eupsenius, nov. gen. Le Conte, 90. 



glaber, " 90. 



Eysenhardtia amorphoides, 173. 

 spinosa, Gray, 174. 



Fabia subquadrata, 470. 



Faronus Tolulae, Le Conte, 109. 



Fedia amarella, Lindh. Mss. 217. 



(Valerianella) stenocarpa, Engelm. 



Mss. 216. 



Filaginopsis multicaulis, 224. 



Fineness of Ohio soils, 329. 



Fishes of Nova Scotia and Labrador, with 

 descriptions of new species, 247; of 

 California, 533. 



Fossil plants, new species, from the coal- 

 fields of Pennsylvania, 409. 



Franseria tenuifolia, var. tripinnatifida, 

 227. 



Fusus ambustus, Gould, 385. 



Gaillardia picta, 230. 

 Galactia canescens, 171. 



Texana, 170. 



Galinum triflorum, 215. 



uncinulatum, 215. 



virgatum, 215. 



Galphimia linifolia, 166. 

 Gammarus confervicolus, 520. 



Pugettensis, 520. 



Sitchensis, 520. 



Gasterosteus biaculeatus, 256, 260. 



Cuvieri, 254. 



plebeius, Girard, 537. 



Gaura Drummondii, 190. 



hirsuta, 191. 



parviflora, 190. 



Gaura sinuata, 190. 



suffulta, 190. 



Gebia Pugettensis, 488. 



Gecarcinus quadratus, 469. 



Geminatse tribe, 271. 



Gibbes, Lewis, R., on Menobranchus 

 punctatus, 369. 



Girard, Charles, on new species of Fish 

 from California, 533. 



Gobius Newberrii, Girard, 539. 



Gould, A. A., on Shells from Mexico and 

 California, 374. 



Gnaphalium polycephalum, 231. 



Grapsus pictus, 466. 



strigosus, 466. 



Gray, Asa, an account of a collection of 

 Plants made by F. Lindheimer in West- 

 ern Texas, in the years 1845-1848, &c. 

 &c, 141. 



Grimotea gregaria, 487. 



Grindelia squarrosa, 223. 



Guaiacum angustifolium, 158. 



Gundlach, John, description of new spe- 

 cies of Birds of Cuba, 313; notes con- 

 cerning, 316. 



Gunnellus ingens, H. R. Storer, 261. 



macrocephalus, 263. 



mucronatus, 261. 



Gutierrezia Texana, 222. 

 Gymnospermum corymbosum, 222. 



Halea Texana, 227. 

 Hamotus humeralis, Le Conte, 84. 

 Hapalogaster Mertensii, 480. 

 Hedyotis (Houstonia) humifusa, Gray, 

 216. 



(Amphiotis) stenophylla, 215. 



Helenium autumnale, 231. 

 Helianthus cucumerifolius, 228. 



lenticularis, 228. 



Hentz, Nicholas M., on the Araneides of 



the United States, 18, 271. 

 Herbstia, parvifrons, 451. 

 Hermannia Texana, 165. 

 Hippa analoga, Stimpson, 486. 

 Hippoglossus vulgaris, 267. 

 Hippolyte affinis, 498. 



r- — brevirostris, 500. 



lamellicornis, 498. 



Layi, 499. 



palpator, 499. 



Sitchensis, 499. 



— Taylori, Stimpson, 500. 



Hirundo coronata, 318. 

 Hoffmanseggia caudata, Gray, 179. 



Jamesii, 178. 



Holothuria Californica, Stimpson, 524. 



Sitchensis, 524. 



Hunt, T. S., on Algerite, 118. 

 Hyas coarctatus, 450. 



lyratus, 450. 



Hydrargyra ornata, 264. 

 Hydrocotyle interrupta, 209. 



repanda, 209. 



umbellata, 209. 



