INDEX. 



455 



Poteviocrinus Missouriensis, 301. 

 occidentalis, 301. 



rlionibif'erus, 301. 



rugosus, 301. 



spinosus, 301. 



tumidus, 301. 

 Prescott, William H., Qbituary 



Notice of, 149. 

 Probabilities, La Place's Doctrine 



of, 433. 

 Psycbotria apocynifolia, 47. 



apodantha, 46. 



Brackenridgii, 44. 



calycosa, 45. 



closterocarpa, 44. 



cordata, 46. 



filipes, 46. 



Forsteriana, 44. 



gracilis, 45. 



hypargyra3a, 46. 



insularum, 45. 



macrocalyx, 46. 



parvula, 45, 306. 



Pickeringii, 47. 



platycocca, 47. 



serpens, 306. 



turbinata, 45, 306. 

 Psycliotrie^, 41. 

 Pterotocrinus capitalis, 301. 



coronarius, 302. 

 Ptycbomitrium Wilsoni, 277. 

 Pticcinia docbmia, 126. 



sepulta, 126. 



triarticulata, 126. 

 Pygorynchus Gouldi, 302. 

 Pyxine Cocoes, 401. 



Meissneri, 400. 



retirugella, 403. 



Q. 



QuiNCY, JosiAH, Communication 

 ' from, 366. 



E. 



Radiata, Classification of, 441. 

 Radulum rhabarbarinum, 123. 

 Reflex Vision, 373. 



Registration in Massachusetts, In- 

 fluence of Legislation on, 34'J. 



Report from 



Committee on Arctic Expe- 

 dition, 103. 

 Committee on the Library, 1, 



93, 225. 

 Committee of Publication, 1, 



93, 225, 336. 

 Council, 96, 226. 

 Treasurer, 1, 93, 225. 



Rhizopogon piceus, 124. 



Rhodocrinus Wortheni, 302. 



Rhytisma erythrosporum, 128. 



Ritchie, E. S., Communication 

 from, 375. 



Rivularia opaca, 335. 



Rogers, W. B., Communications 

 from, 12, 22,31,33,218,337, 

 338, 360, 376. 



Rubiacete, Notes upon, 33, 300. 



RuhmkorfF Apparatus, Improve- 

 ments in, 376. 



Rytiphloea complanata, 330. 



S. 



Saccocrinus speciosus, 302. 

 Salices Boreali-Americanfe, 50. 

 Salix acutifolia, 57. 



adenophylla, 65. 



alba, 55. 



alpestris, 69. 



amygdaloides, 53. 



arbuscula, 71. 



arctica, 68. 



Barclayi, QQ. 



Bigelovii, 58. 



brachystachys, 00. 



Candida, 60. 



capreoides, 60. 



cinerea, 60. 



cordata, 64. 



Coulteri, 58. 



curtiflora, 70. 



Cutleri, 73. 



desertorum, 68. 



discolor, 63. 

 J Drummondiana, 03. 



