546 



Index. 



Aster carneus, (3. subasper, 219. 



divaricatus, 219. 



Drummondii, 219. 



: multiflorus, 219. 



sericeus, 219. 



simplex, 219. 



spinosus, 219. 



virgatus, 219. 



Asterias brevispina, Stimpson, 528. 



epichlora, 528. 



gigantea, Stimpson, 528. 



— helianthoides, 529. 

 ~ helianthus, 529. 



— ochracea, 527. 



Asteriscus miniatus, 530. 



Asterophyllites aperta, Lesq'x, 414. 



crassicaulis, " 414. 



lanceolata, " 414. 



ovalis, " 414. 



sublssvis, " 414. 



Astragalus, arrangement of fibres of, 135. 



caryocarpus, 176. 



Mexieanus, 176. 



Wrightii, Gray, 176. 



Atherinopsis Californiensis, Girard, 537. 



Attus retiarius, Hentz, 288. 



sinister, " 288. 



Atrema Americana, 212. 



Atya scabra, 498. 



Avicula sterna, Gould, 404. 



Ayres, W. 0., description of a new genus 

 "of Fishes, Malacosteus, 53 ; on a new 

 species of Polypterus from West Afri- 

 ca, 241. 



Baccharis angustifolia, 224. 



Texana, 224. 



Batrisus albionicus, 102. 



armiger, Le Conte, 94. 



bistriatus, " 101. 



confinis, " 96. 



cristatus, " 96. 



ferox, " 95. 



frontalis, " 96. 



globosus, " 100. 



Ionse, " 94. 



lineaticollis, " 101. 



monstrosus " 95. 



nigricans, " 99. 



punctatus, " 97. 



riparius, " 97. 



scabriceps, " 98. 



Schaumii, " 102. 



spretus, " 100. 



striatus, " 99. 



Batrisus, synopsis of species of, 93. 

 Berberis (Trilicina) trifoliolata, 142. 

 Berlandiera Texana, 225. 

 Bidens chrysanthemoides, 229. 

 Bigelow, Samuel L., observations on the 



habits of Salmo fontinalis, 49. 

 Biogen liquid, 3. 

 Blepharipoda occidentalis, 486. 

 Bodo, structure and nature of, 319. 

 Brachyphyllum obtusum, Lesq'x, 430. 



Brewer, T. M., ornithological observations 

 in New Brunswick, 297; on eggs of 

 Thalassidroma Leachii, Procellaria 

 Bulwerii,' P. obscura", and Puffinus 

 major, 308. 



Brickellia (Bulbostylis) cylindracea, 218. 



Bryaxis abdominalis, Le Conte, 86. 



abnormis, 



— conjuncta, 



— dentata, 



— formiceti, 



— hsematica, 



— longula, 



— luniger, 



— propinqua, 



— puncticollis, 



— rubicunda, 

 velutina, 



Bulimus excelsus, Gould, 376. 



vegetus, " 375. 



vesicalis, " 375. 



Bulla (Tornatina) cerealis, Gould, 378. 



(Akera) culcitella, " 377. 



Burnett, W. I., on the organic relations 

 of some of the Infusoria, and the struc- 

 ture and nature of the genus Bodo, 

 319. 



Calamites bistriatus, Lesq'x, 414. 



disjunctus, 414, 



Calappa convexa, 470. 

 California fishes, 533 ; shells, 374. 

 Callianassa Californiensis, 489. 



gigas, 489. 



: — longimana, Stimpson, 490. 



Callipteris Sullivantii, Lesq'x, 423. 

 Callirrhoe digitata, 160. 



involucrata, 159. 



pedata, 160. 



Cancer antennarius, Stimpson, 462. 



gracilis, 460. 



magister, 458.' 



productus, 461. 



Caprella Californica, Stimpson, 513. 

 Cardiocarpon plicatum, Lesq'x, 431, 



punctatum, " 431. 



Trevortoni, " 430. 



Cardium luteolabrum, Gould, 401. 

 Carpolithes bifidus, Lesq'x, 431. 



disjunctus, " 431. 



platimarginatus, " 431. 



Cassia (Cnamassenna) Bauhinioides, 

 Gray, 180. 



(Chamsesenna) Lindheimeriana, 



179. 



(Chamassenna) Eoemeriana, 180. 



pumilio, Gray, 180. 



Caulopteris gigantea, Lesq'x, 425. 



punctata, " 425. 



Ceanothus ovalis, 170. 



Cedius, nov. gen. Le Conte, 74. 



spinosus, " 75. 



Ziegleri, " 74. 



Centauridium Drummondii, 223. 

 Ceophyllus, nov. gen. Le Conte, 73. 



