INDEX. 227 



. Page. 



Pisiimsatlvum .- 80 



Pityophis sayi (bull snake) 194 



Plants, evolution of ' 85 



Plaster creek 37 



Pleistocene bibliography 108, 109, 110 



Plethodon cinereus 189 



Pneumonia 114 



Polemoniaceae 213 



Polluting waters of the Great Lakes 66 



Pomaceae 208 



Political economy 9S 



Polygalaceae 213 



Polygonaceae 206, 212 



Polypodiaceae 200, 209 



Porcupine mountains 188 



Poritidae 196 



Potamogetonaceae 202, 210 



Potato 84 



Preglacial drainage 108 



valleys 104 



Pre-Kansan drift 101 



President of state forestry commission .39 



President's address, by Frederick C. Newcombe 28 



Primary cause of areas of high and low barometers 137 



Primulaceae 213 



Profit from stocking inland lakes 69 



Pteridophytes, number of in Michigan 90 



Ptyalin, ijhysical properties of 155 



Public health work 113 



schools, important features of 75 



Pure air and sunshine 120 



Q. 



Quaker 53 



Quercus acuminata, M.x 82 



Alba I. 82 



Alexander! 89 



Britton 82 



macrocarpa, Mx 82 



platatioides (Lam) 82 



R. 



Rabies, treatment of Ill 



Ragweed, variations of 84 



Raflnesque (naturalist) 20 



Rana catesbiana, pipiens and palustris , 189 



• sylvatica 189 



Ranatra 199 



Rankin, W. Munn. survey of 30 



Raphanus 81 



Raspberry, new 88 



Railroads, F. and 1'. M. i;ill others) 43 



Red pepper 84 



Reed, H. E 52 



Reighard, J. E 7,20 



Regeneration of seedling roots after splitting, by Lura A. Warner (abstract) 78 



Regeneration of the epicotyl in seedlings of Vicia faba and pisumsativum, by A. W. 



Clark (abstract) 80 



Reliefs , 103, 104 



Renunculaceae 207, 212 



Report of Pasteur institute of the University of Michigan, by Thomas B. Cooley Ill 



Reports of the state of Wisconsin 35 



Reptiles, list of .• 190 



Review of the glacial geology of the southern peninsula of Michigan, by Frank Leverett 100 



