142 



INDEX. 



Pemphigus Occurring on Thorn, New 



bpecies of, IV. 

 PercidjB, I, 76. 

 Persistence of Ductus Venosus in the 



Domestic Cat, an Instance of, IV. 

 Phonological Notes II, 87. 

 Phasnological Notes for 1892, III, 46. 

 Pinnipedia, Polygamy, among. II. 98. 

 Plants, Woody, of Western Wisconsin, II, 



76. 

 Platyceras, Sedentary, habits of II, 24. 

 Pleurotomaria Modesta. II, 22. 

 Plum Curculio, I, 63. 

 Pollination of Composita3, IV. 

 Pollination of Cucurbits. Ill, 79. 

 Polygamy among the Pinnipedia, II, 96. 

 Po!yodontida3, I, 69. 



Poweshiek County, Coal Measures of, IV. 

 Preliminary Notes on the Lower Devonian 



Strata of Iowa, Some. IV. 

 President's Address (1888), I, 19. 

 President's Address (1892), III. 35. 

 Presidential Address (18GH), IV. 

 Prismatic Sandstone from Missouri, II, '36. 

 Problems, Local in Science, 1. 19. 

 Proceedings 13^8, 1, 19. 

 Proceedings 1889, I, 63. 

 Proceedings 1992, III, 5. 

 Process of Formation of Certain Quartz- 



ites, IV. 

 Psyllidae, Hacitberry, found at Ames, 



Iowa, IV. 



Q. 



Quail, Blue in Iowa, I, 63. 

 Quartzites, Formation of. IV. 

 Quaternary Section, II, 30. 



Red Roclt Sandstone. Notes on, 11, 26. 

 Relations of the Cretaceous Formation in 



Northwestern Iowa, IV. 

 Report of Committee on State Fauna, 



II, 39. 

 Report of the Committee on State Flora, 



II, 88. 

 Rhus typhina, The Distribution of. IV. 

 RocifS, Crystalline of Missouri, I, 66. 

 RoclfS, Striation of by River Ice, II, 19. 

 Rodentia, I, 43. 



Salmonidas, I, 73. 



Sandstones, Age of Certain, near Iowa 



City, II, 26. 

 Sandstone. Prismatic, from Missouri, II, 



36. 

 Sandstone, Red Rock Notes on. II, 26. 

 Science, Local Problems In, 1, 19. 

 Scieuidas, I. 76. 



Sedentary Habits of Platycerus, II, 24. 

 Seranidne. I, 76. 

 Shells, Notes on. 1, 17. 

 Shore Lines of Ancient Glacial Lakes, II, 



17. 

 SIgourney, The Deep Well at, IV. 



Silicified Woods, Tertiary, of Eastern Ar- 

 kansas, II, 37. 



Silver, Electrolysis of, IV. 



Silurida?, 1, 70. 



Slime Moulds, 11.12. 



Smut, Corn, II, 95. 



Snow Birds, Three-legged, II, 12. 



Soleniscus humilis, II, 23. 



Solutions of Sulpho-Cyanate, Some Pecu- 

 liarities of, IV. 



Southern Extension of the Cretaceous in 

 Iowa, IV. 



State Flora, Report of Committee on, II, 

 88. 



Stomata of Leaves, Palisade Cells and 

 111,80 



Stone Implements, Notice of, III, ,30. 



Strata Between Ford and Winterset, III, 

 26. 



Striation of Rocks by River Ice, II, 19. 



Strophostylus, Evolution of, II, 25. 



Structure of the Mystic Coal Basin, IV. 



Sulpho-Cyanate. Some Peculiarities of 

 Solutions of IV. 



Systematic Zoology in Colleges, II, 102. 



Terraces of the Missouri, I, 11. 

 Tertiary Silicified Woods, II, 37. 

 Till, Origin of Extra Morainic, I, 12. 

 Topography of the Granite and Porphyry 



Areas in Missouri, IV. 

 Trees, Forest, of Eastern Arkansas, I, 76. 



u. 



Ungulata, I, 42. 



Unlonidae, Parvus Group of, I, 45. 



Unios, Pearl Bearing, I, 97. 



Vanessa Antiopa, Experience in Rearing, 

 I, 44. 



Vegetation, Forest of the Upper Missis- 

 sippi, II, 80. 



Volcanic Dust from Omaha, II, 16. 



w. 



Warren County, Origin of Present Drain- 

 age System, IV. 



Water, Analysis of, for Railway Engines 

 HI, 27. 



Wax Glands of, Pemphiginte, I, 64. 



Weed Seeds in Clover, III, 84. 



Wells, Artesian, in Iowa. II, 57. 



Wells, Gas, Near Letts, Iowa. II, 68. 



What we have Been Doing, III, 35. 



Wood Fossil from Keokuk Limestone, I, 97. 



Woody Plants of Western Wisconsin, II, 76. 



Work in the Chemical Laboratory of the 

 Iowa Agricultural College, IV. 



Zinc Deposits in Northeastern Iowa, IV. 

 Zoology, Laboratory Notes on, IV. 

 Zoology, Systematic in Colleges, II, 102. 



