GENERAL INDEX, VOLUMES I TO X. 



197 



Nucula pulchella, n. sp., viii, 132. 

 Nusa abdominalis, vi, 103. 



similis, vi, 103. 

 Nyctodactylus, i, 5. 



species of, i. 2. 

 Nymphalidw, iii, 142. 



O. 

 Oats, number of parasites of, i, 123. 

 Ochthera, huinilis, vi, 6. 



regalis, vi, 6. 

 Occurrence of tLie bryozoan genus Rhabdome- 



son in America, ix, 173. 

 Oedaspis, ii, 165. 

 atra, ii, 164. 

 miuuta, ii, 164. 

 montana, ii, 163. 

 Oedicarena, ii, 162. 



diffusa, ii, 161, 162. 

 Oklahoma, a geological reconnoisance in 

 Grant, Garfield and Woods counties, vii, 

 121. 

 Oiigoporus? minutus, n. sp., viii, 126. 

 Omegasyrphus baliopterus, iii, 226. 

 coarctatus, iii, 226. 

 sp., iii, 226. 

 One-parameter subgroups of hG3(ABCD), x, 

 33. 

 of hGaCABCl) of typell, x, 87. 

 of eGafABCl) of type II, x, 92. 

 of GaCABl') of typelll, x, 93. 

 of G4( ABpl ) of type IV, x, 96. 

 of Gr,{ Apl ) of type VI, x, 100, 102. 

 On the construction of collineations, ix, 65. 

 Onychogonia, iii, 180. 

 Oospores, obliteration of parenchyma by, i, 



129. 

 Opercular and other cranial bones of Xiphac- 

 tinus Leidy, a preliminary description 

 of, viii, 19. 

 Opetia, iii, 143. 



Opuntia missouriensis, i, 39, 40. 

 Oread limestone, iii, 278, 281. 



named, ii, 123. 

 Organic matter in the Western streams, iii, 



101. 

 Origination of money bills, debates on, in con- 

 stitutional convention, ii, 176. 

 Ornithocheiroidea, vi, 36, 

 Ornithocheirus, vi, 35. 

 Ornithostoma, ii, 79; vi, 35. 

 ingens, vi, 36. 



notes on the mandible of, iv, 61. 

 on the skull of, iv, 195. 

 Orthoneuromyia, ii, 67. 



modesta, ii, 68. 

 Osage City shales, iii, 278-305. 



coal in, iii, 278, 304, 305. 

 Oscillaria, i, 87. 

 Osteology of Anogmius polymicrodus Stewart, 



viii, 117. 

 Ostreidit*, viii, 95. 

 Oswego limestone, iii, 273, 280. 

 Ottawa limestone, named, ii, 121. 



Ostrea attenuata, n. sp., viii, 99. 



canonensis, n. sp., viii, 90. 



congesta, viii, 90. 



crenula, n. sp., viii, 93. 



ellsworthensis, n. sp., viii, 88. 



exogyroidea, n. sp., viii, 91. 



incurva, n. sp., viii, 92. 



jewellensis, n. sp., viii, 95. 



kansasensis, n. sp., viii, 88. 



lata, n. sp., viii, 94. 



leeii, n. sp., viii, 94. 



wellerii, n. sp., viii, 89. 



willistonii, n. sp., viii, 89. 

 Oxygen, evolution of, by Algee, vii 



111. 



Pachyrhina erythrophys, ii, 63. 

 Pachyrhizodus leptognathus, vii, 193. 



minimus, a new species of flsh from the 

 Cretaceous of Kansas, viii, 37. 



sp., vii, 195. 



velox, vii, 193. 

 Packing-house, condition of employees in, 



iv, 41. 

 Pamphila conardus, genee of, ii, 52. 



epicranium of, ii, 53. 

 Pangonia arcuata, iii, 190. 



buUata, iii, 191. 



diaphana, iii, 190. 



fllipalpis, iii, 190. 



fulvithorax, iii, 189. 



margaritifera, iii, 191. 



pyrausta, iii, 189. 



unicolor, iii, 189. 



venosa, iii, 189. 

 Panicum sanguinale, i, 129. 



variegatum, i, 125. 

 Papilis eurymedon, prothorax of, iii, 140. 

 Papilionidse, iii, 142. 

 Paragus bicolor, i, 35; iii, 227. 



tibialis, iii, 227. 

 Paralimna multipunctata, vi A, 111. 



obscura; vi A, 5. 

 Paramyia, vi A, 1. 

 ' Parasidae, scales of, iii, 87. 

 Parasites, effects of, ou hosts, i, 130. 

 Paris, government of, bibliography, i, 182. 

 Partition of Africa, the, viii B, 1. 

 ■ Parydra humilis, vi, 7. 

 Pascal's Limacon, i, 60, 89. 

 Patrick, G. E., i, 89. 

 Pawnee limestone, iii, 274, 280. 

 Pedal of a circle, i, 89. 

 Pelastoneurus, ii, 152. 



vagans, ii, 152, 1,53. 

 Pelecocera, iii, 187. 



pergandei, iii, 187. 



scpe oides, iii, 187. 



willistoni, iii, 187, 239. 

 Polecorhynchus ornatus, iii, 192. 

 Pelecypods, now and little known, from the 



Coal Measures, viii, 131. 

 Pencil of cubics through nine points, x, 13. 

 Penitentiary, Kansas state, i, 155. 



