241 



Osmundaceae. '91. 17. 



Our present knowledge of the distribution 



of Pteridophytes in Indiana, '9H. i54. 

 Outlook in warfare against infection, '91, 



144. 

 ■Owen, D. A., '91, 76, 1.52. 

 Oxidation, '91, 14. 

 Oxygen, atomic weight of, '91, 27. 



PACHYNEURON MICANS, '92, 90. 



Pacific deep water fishes, '91, 20. 



Panchlora viridis, '92, 1.54. 



Papilio ajax, '92. 85. 



Papilio cresphontes, '92, 85. 



Paraffins, '97, 134. 



Paragordius, '97, 232. 



Parasites, animal, collected in State during 



year. '94. 80. 

 Parasitic fungi, distributed by State Biol. 



Sur., series i., '94, 154. 

 Parasitic hymenoptera reared in Indiana. 



partial list of. '92, 80. 

 Parasites in Indiana, '95, 168. 

 Paraxylene-sulphamide, '91. 27. 

 Paro-nitro-ortho-sulphamine-benzoie acid. 



'91,27. 

 Paroxya atlantiea. '92, 118. 

 Parus bicolor, '91. 167. 

 Parvus group of Unionidae, '95, 108. 

 Pasteur flask, device for supporting, '00, 



1.57. 

 Pear blight. 'itT. loi). 



Pear disease, an increasing Indiana, '94, 67. 

 Pediastrum. notes on, "92, 49. 

 Peiree. (J. J.. "96. 172. 208. 

 Peiree's linear associative algebra, '95, 39. 

 Peltandra undulata. '91. 137. 

 Penta-glueoses, '91. 29. 

 Pentose carbohydrates, digestibility of. '91, 



Periodicity in thermometers, '91, 26. 

 Periodicity of root pressure, "915, 143; '91, 29. 

 Periplaneta, '92, 1.5^5,156. 

 Pertplaneta americana, '92.157. 

 Periplaneta orientalis. '92, 156. 

 Perk ns synthesis. '91. 14. 

 Permanganic acid. '93, 262. 

 Permeability, measurement of. '95, 83. 

 Petroleum in southwest Indiana. '91, 3(t. 

 Phalangopsis lapidieola. '92. 147. 

 Phalangopsis maeulata. '92. 142. 

 Phanerogamic flora. '93. 17. 193. 

 Phanerogamic flora of the State, revision of, 



'94, 66. 

 Phanerogams of Indiana. '95, 169. 183. 

 Phanerogams new or rare to the State, notes 



on, '96, 130. 



Phaneroptera augustifolia, '92. 102. 

 Phaneroptera curvieauda. '92. 99. 101, 102. 

 Phaneroptera septentrionalis. '92, 99. 

 Phaneropterinae, '92. 96, 97. 

 Phaneropterinae, key to genera of, '92, 98. 



Phasemeter, Rayleigh's alternate current, 

 '00, 110. 



Phenyl compounds, '95, 88. 



Phenyl-hydrazin, action on furfurol. '91, 57. 



Phosphate, a new, '94, 52. 



Phosphate of alumina, '91, 23, 57. 



Phosphoric acid, '91, 23, 57. 



Phosphorus in steel, volumetric determin- 

 ation of. '94, .51. 



Photography without camera, '91, 24, 27. 



Photometric methods, '91,25. 



Photometry of oil. '97. .59. 



Photo-micrographic apparatus, '97,78. 



Photomicrography. '91. 18; '95, 48. 



Photomicrography, as it may be practised 

 today. '00. :54. 



Physical geography, aids in teaching, '00, 

 194. 



PhycisJndiginella. '92,89. 



Phycomyeetes. '93. 31. 



Phyllodromia. '92. 155, 162. 



Phyllodromia germaniea. '92. 159, 162. 



Phylloptera laurifolia. '92, 107. 



Phylloptera oblongifolia. '92. 104, 105. 



Phylloptera rotundifolia, '92, 107. 



Phylloscirtus, '91, 128, 137. 



Phylloscirtus pulchellus. '91, 1.37; '92. 118. 



Physical features of Turkey Lake, '95,216. 



Physical geography, aids in teaching, '99, 

 .54. 



Physiology, '91, 82,91. 



Phytonomus punctatus, '92, 84. 



Phytophagus coleoiitera. Tasmanian, '91, 

 168. 



Picus. '91. :5o. 



Pimephales notatus. '9S. 233. 



Pinus. archegonium and apical growth. '91, 

 79. 



Pinus sylvestris. '91, 26. 



Pisces. "93. 71. 



Pith cell changes, '96. 172. 



Plantae. '91, 68. 



Plantago, analytical key to species of, '96, 

 191. 



Plantago minima, nov. sp., '9<3. 202. 



Plantago rubra, nov. sp., '96, 204. 



Plantago. value of seed characters in de- 

 termining .'•pecific rank, '94, 67. 



Plantago virginiaua and patagonica, certain 

 chemical features of seeds of, '94, 121. 



Plant curvatures, measurement of strains 

 induced in, '94, 130. 



