242 



Plant pi-(i(lai-ts of the U. S. Phanniu-opoeia 



(1890). "94.108. 

 Plant zones of Arizona. '91. 97. 

 Plants collected near CrawfonUville during 



the year. '94, &,. 

 Plant?, uiidsuuiiuer of southeastern Tennes- 

 see. '00. 14-5. 

 Plants, special senses of, ^'.y.^, 205. 

 Plants, variations of, '91. 14. 

 Platamodes pennsylvanica. '92, 158. 

 Platamodes unieolor, '92, 160. 

 Platygaster error. '92. 91. 

 Pleas, Elwood. '92. 55; '9(5, 271. 

 Pleodorina californica. '95, 99. 

 Plum leaf fungus. '91. 14. 

 Plutella crueiferarum, '92. 90. 

 Pogonia. root system of, '94, 123. 

 Poinsett Lake, '00, 179. 

 Point invariants for the Lie groups of the 



plane, "98. 119. 

 Point P and its properties. '99, 90. 

 Poison, absorption of, by dead animal 



tissue. '9.3. 268. 

 Poison effects of Cyprepedium spectabile. '93, 



■2M. 

 Poisonous influences of some species of 



Cypripedium, '94, 1:56. 

 Polygonium, '91. 18. 

 Polygonium, cleistogamy in, '91. 92. 

 Polygonum amphibium, '92, 135, 140. 

 Polyi)oroid fungi, '91. .30. 

 Polyporus lueidus, variations of, '94, 1.32. 

 Pontederiaeeae. histology of, '93. 234. 

 Porichthys, phosphorescent organ of, '91, 29. 

 Porifera, "91. 63. 

 Possible relation of Indiana Academy of 



Science, '96, -54. 

 Potassium sulfhydrate, action of. upon cer- 

 tain aromatic chlorides. "94. 52. 

 Potato, as means of transmiting energy, '91, 



97. 

 Potato tuber. '91. 14. 

 Potential functions, history of, '91, 65. 

 Potter. Theodore. '91, 144; '92, 63. 

 Prairie rattlesnake, '91, 147. 

 Preglacial erosion near Richmond, '92, 27. 

 Prehistoric earthworks, '91, 65. 

 Preliminary list of birds of Brown County, 



'94, 68. 

 President's address, '91, :«; '92, 15; '93, 205; 



'94,17; '95, 31; '9(5. 33; '97, a5; '98, a5; '99, 



31; '00.34. 

 Price, J. A., '97. 262; '98, 289. '00, 179, 181. 

 Price, F. M., '99, 155. 

 Prime numbers in a biquadratic number 



field, on decomposition of, '00, 105. 

 Proceedings of annual meeting,see meetings. 



Proceedings, law concerning publication of 

 see act to provide for publication. 



Program of 1895, Christmas meeting, '95, 24» 



Program of 12th annual meeting, '9(5. 25. 



Program of 13th animal meeting, '97,27. 



Program of 14th annual meeting. '98,27. 



Program of 15th annual meeting. '9i), 26. 



Program of 16th annual meeting, '(%), 28. 



Propagation and protection of game and 

 fish, see act to protect, e'c. 



Proposed new systematic botany of X. A., 

 '94, 133. 



Protonotaria citrea. '91. 1(55. 



Protoplasm, circulation of, '95, 95. 



Protoplasm in mucor, '91. 14. 



Protoplasm, movement of, in hyphae of a 

 mould, '00, 1-57. 



Pseudophyllinae, '92, 96,109. 



Psychic phenomena, '91. 31. 



Psychological laboratory of Indiana Uni- 

 versity, '94. 42. 



Ptarimgan of the AUeutian Islands, '92, 78. 



Pteridophytes in Indiana. '93, 2.54. 



Pterophylla concave, '92. 109. 



Pteropoda, '91, 68. 



Publication of proceedings, see act to pro- 

 vide for. 



Puecineae, '91. 15. 



Purdue, A. H., '94. 43; '95, 51; '96, 68. 



Purdue engineering laboratory since the 

 restoration, "94, 39. 



Purdue experimental locomotive, '92,24. 



Purdue University, laboratory of, '91, 20. 



Putnam County fishes, '91. 23. 



Putnam County flora. '91, .30. 



Putnam County plants, '91, 25. 



Pygostotus americanus, '92,91. 



Pyrone and pyridone, from benzoyl acetone, 

 '91, 48. 



QUARTZ SUSPENSIONS, '92, 25. 



Quaternary, '93, 184. 



Quaternion and analytical treatments, '92, 



20. 

 Quarternion integrations, '91, 63. 

 Quercus eoccinea. '91, 140. 

 Quicksand pockets, '97, 2.34. 



RAFINESQUE. SKETCH OF, '91, 24. 



Railway break-shoes, friction of under var- 

 ious conditions of pressure, speed and 

 temperature. '(K), 100. 



Ramsey, Earl E., '00,218. 



Randolph County, recently opened burial 

 mound, '94. 46. 



Randcdph mastodon, '{M5. 277. 



Range of the blue ash, '94, 107. 



