235 



•Glypta sp.. '92. 91. 



•Gold, '93, laS. 



■Golden. Katherine E.. '91, 92; '92, 37. 46; '93. 



2&5; '94. (51. 12(5; '95. 46. 92; '96, 184; '97, 62; 



'98.189; '99.129.141; '00,157. 

 •Golden. M. J.. '95.48. 100; '98. 80; '99, 77, 83. 

 •Goldsborough. W. E., '95, 79; '96, 97. 

 Gordius. '92. 124. 

 •Goss, W. F. M., '92. 24; '93. 271, 273: '94, 39; 



'95, 75; '96. 59. 88; '98, 147, 149. 

 ■Grandeau's method, modification of, '92, 



166. 

 ■Grant beaver, '91, 26. 

 Grape sugar, effect on bacteria, '95, 85. 

 ■Graphic methods in elementary mathemat- 

 ics, '00. 90. 

 ■Graphical solution of the higher equations, 



'91, 57. 

 ■Grasshoppers, black-legged, '92, 135. 

 <Jrasshoppers, black-sided, '92,125. 

 •Grasshoppers, common meadow. '92, 130. 

 •Grasshoppers, cone-headed. '92. 113. 

 Grasshoppers, green. '92. 92, 112. 

 'Grasshoppers, lance-tailed, '92, 128. 

 •Grasshoppers, shield-back. '92, 150. 

 Grasshoppers, slender meadow, '92, 114. 

 Grasshoppers, spotted wingless, '92. 142. 

 Gravitational attraction. A.W. DuflF. '95. 58. 

 ■Gray. Thos.. '92. 20. 26; '93. 268. 269; '94. 50; 



'97. a5. 

 Great lakes. '91. 29. 

 •Green, R. L., '91, 65. 

 Gregg, .1. C. '00, 91. 

 ■Grinnellia Americana, '92. 35. 

 •Grosbeak, evening, '91, 16. 

 •Growth in the length and thickness of petiole 



of Richardia. '93. 235. 

 Gryllidae, '91,126,127.128. 

 Gryllidae of Indiana, '91.126. 

 ■Gryllidae. key to family, '91, 12. 

 •Gryllotalpa. '91. 128. 129.1.30. 

 •Gryllotalpa borealis. '91. 131. 

 Gryllotalpa brevipennis. '91. 1.30. 

 ■Gryllotalpa Columbiana. '91. 131. 

 Gryllotalpa longipennis. '91. 131. 

 Gryllus. '91. 128. 132, 133. 

 ■Gryllus abbreviatus, '91,130, 1.32, 1.37. 

 Gryllus luctuosus, '91, 133. 

 •Gryllus Penn.sylvanicus. '91, 1-34. 

 Guaymas. fishes of, '91. 23. 

 Guillemot, Brunnich's. '97, 180. 

 Gyroscope, the bicycle wheel as a. '00. 91. 



HABITS OF TURTLES. '93, 224. 

 Hadenoecus cavernarum, '92, 1.53. 

 Hadley, Alden H.. '97, 183. 

 •Haemaglobin, '95, 106. 



Haldea. breeding habits, etc.. of, '91; 120. 



Halids, vapor densities. '91,14. 



Hamilton County, flora of. '94. 156. 



Hansen. (4eorge, '98. 239. 



Harbor at the south end of Lake Michigan, 



'00, 83. 

 Hathaway, A. S.. '91, 57. 63,(55; '92, 20; '96, 85; 



'97. 117; '98, 88. 

 Hatt. ^y. K., '9(5, (58. S8, 97; '97, l:». 131; '98 



157. 

 Hay, 0. P., '91, 32. 106, 120, 144; '92, 62, 72; '93, 



68, 69. 

 Hay. W. P., '91, 147; '92, 94, 144; '93, 69. 

 Heaeoek, E. H.. '94, 120. 

 Heat, effect of. on muscle, '95, 108. 

 Heating eff"ects of coals, '96. 115. 

 Height of the atmosphere, '91. 2i1. 

 Heiney, W. X. '00, 197. 

 Heloderma suspectum, '91, 152. 

 Henry County flora, '91, 2(5. 

 Henry County prehistoric earth works, '91, 



98. 

 Hepaticae, '93, 64. 



Herbaceous plants, seedlings of, '99, 116. 

 Herpestomus plutellae, '92, 90. 

 Heronries, '97,198. 

 Hessler. Robert, '92,89; '93,258; '96,116; '97, 



(55; '. 0, 74. 

 Heterodon platirhinos, breeding habits, etc. 



of, '91,114. 

 High schools, relation of. to biological sur- 

 vey, '93, 199. 

 Histeresis curves, '91,65. 

 Hoffmanseggia, the genus, '91, 29, 79. 

 Hognosed snake, breeding habits, etc., of, 



'91,114,118. 

 Holostomidae, '96,224. 

 Holtzman. C. L., '91,79. 

 Homoporus sp., '92, 91. 

 Hopkins seaside laboratory, '95, 45. 

 Host plants, additional list of, '94, 1.5.3. 

 House boats for biological work, '99,75. 

 Hoy's white fish, or moon-eye. rediscovery 



of, '94, 103. 

 Hubbard. Geo. C, '91,77. 

 Hubbard., I. W., '92,63. 

 Hudson River or Cincinnati group, extent of, 



'91,68. 

 Hudson River deposits, '92, 26. 

 Hudson River, location of upper limits of, 



'91,(59. 

 Hudson River. Owen, Prof. Richard, views 



of, '91.69. 

 Humus in soils, '92, 1(5<5. 

 Huston, H. A., '91,. 55, 57; '92,166, '91, 51,-52; 



'96, 104, 112. 

 Hydra fusca, '91.21. 



