INDEX. 



445 



Metabrombenzophencme, 230. 



Metachlorbenzoie anhydride, 223. 



Metachlorbenzopkenone, 23 1 . 



Metanitrobenzoic anhydride, action 

 of phosphorpentoxide upon, 

 in an excess of benzol, 228. 



Moths, studies on the transforma- 

 tions of, 55. 



Muhlenbergia Seatoni, 122. 



N. 



Nickel, "Hall Effect" on, 193. 

 Xickelous oxide, occlusion of gases 



by, 207. 

 Nitric acid, oxidation of turmerol 



with, 283. 



O. 



Officers elected, 291. 

 Ontogenetic features in Saturniidse, 

 recapitulation of the more 

 salient, — 

 Actias, 92. 

 Callosamia, 73. 

 Platysamia, 64. 

 Samia, 78. 

 Telea, 86. 

 Orthobrombenzoic anhydride, 225. 

 Orthochlorbenzoic anhydride, 222. 

 Orthochlorbenzophenone, 231. 

 Orthogonal Matrices, real proper, 

 212. 

 real improper, 216. 

 imaginary, 218. 

 symmetric, 221. 

 Orthogonal substitution, real, 212. 

 Orthonitrobenzoic Anhydride, ac- 

 tion of phosphorpentoxide 

 upon, in an excess of benzol, 

 226. 

 Oryzopsis pubiflora, 122. 

 Oxides, contained in Cerite, Sarnar- 

 skite, Gadolinite, and Fergu- 

 sonite, 260. 

 relations to lactic acid, 277. 

 Oxychlorides of cerium metals, 265. 



Parabrombenzoic anhydride, 225. 

 Parabrombenzophenone, 230. 

 Parachlorbenzoic anhydride, 224. 



Parachlorbenzophenone, 232. 

 Paranitrobenzoic Anhydride, action 

 of phosphorpentoxide upon, 

 in an excess of benzol, 229. 

 Paronia melanommata, 104. 

 Pedicularis eburnata, 114. 

 Perezia hebeclada, 112. 

 vernonioides, 112. 

 Peyritschiella nigrescens, 1S4. 

 Plifenogamic Flora of Mexico, 103. 

 Phaseolus (Drepanospron) Espe- 



ranzse, 118. 

 Phospho-molybdates, relations of 

 the Samarskite oxides to, 278. 

 Phosphor-Bronze, " Hall Effect " 



on, 192. 

 Phosphorpentoxide, action of, upon 

 orthonitrobenzoic anhydride 

 in an excess of benzol, 226. 

 upon metanitrobenzoic anhy- 

 dride, in an excess of benzol, 

 22S. 

 upon paranitrobenzoic anhy- 

 dride in an excess of benzol. 

 229. 

 Phospho-tungstates, relations of the 



Samarskite oxides to, 278. 

 Piqueria laxifiora, 107. 

 Pringlei, 107, 115. 

 Plants, new and little known, col- 

 lected on Mt. Orizaba, 116. 

 Platysamia cecropia, the life history 

 of, 58. 

 Gloverii, freshly hatched larva 



of, 65. 

 young larva from Arizona, 65. 

 recapitulation of the more sa- 

 lient ontogenetic features of, 

 64. 

 Polycarpene, North American, 124, 

 126, 153. 

 Drymaria, 126. 153. 

 Po'lvcarpon, 126, 154. 

 Lo>hingia, 126, 154. 

 Stipulicida, 126, 155. 

 Polycarpon, 154. 



tetraphyllum, 154. 

 depressum, 151. 

 Polygala Michoacana, 103. 

 Proceedings of meetings, 287. 



R. 



Ranunculus geoides, 116. 

 Khadinomyces, 179. 



