T>IDEX. 



Krythrinia', 19. 



Eels of America aud Europe, ii4. 

 Estimation of chlorine by Volhard's plan, I'.i. 

 Equations, graphical solution of, '>'. 

 Evolution, 17. 



and Lebanon beds, is. 



address on, .'.o, 4.'). 



FAUNA, river and island, s:!. 

 Field aud home crickets, l:!2. 



meetings, 9. 

 Fisher, E. W., 79. 

 Fishes, distribution of, l'3. 



dispersion of, 24. 



aspredinidiv, on the presence of an 

 operculum in, ]7"i. 



development of the viviparous lishes 

 of California, 1">9. 

 Floral decorations, 21. 

 Floras, Arizona, 97. 



Florida, S3. 



Henry county, 7ri. 



Mt. Orizaba, sd. 



I'utnam county, <S9. 



western plants at Columbus, ( )hio, 9-1. 

 Florida ferns, .".(I. 

 Forests, distribution of certain trees. 92. 



unused resources, 92. 

 Forms of nitrogen for wheat, •')•"). 

 Fossils in Colorado, 17. 

 Fungi, connecting forms aiiu)ng polyporoid, 



92. 

 Fungus, plum leaf, 1 1. 

 Furfurol, 29. 



(i.XRTEU SNAKi:s, breeding habits, etc., 



of, 109. 112. 

 Gasteropoda, OS. 

 Gautemalan composita^, 28. 

 Genera, origin of, 24. 

 Geolf)gist, training of, 1.'). 

 Geology, town, 11. 

 ( ieoiiietrical propositions, ;;o. 

 (Jeothlypis formosa, 100. 

 Germ plasm, continuity in vcrtcbrMta, los. 

 Ghost fishes, 29. 

 Grant beaver, 26. 

 Golden, Katherine V.., 92. 

 Graphical solution of the higher ei|Ua- 



tions, .'>7. 

 <ireat lakes, 29. 

 (ireen, It. L., 05. 

 Grosbeak, evening, 10. 

 liryllida', 126, 127, 12s. 



key to family, 12. 

 of Indiana. 120. 



• iryllotalpa. 128,129, 130. 



longipennis, 131. 

 brevipennis, 130. 

 borealis, 131. 

 Columbiana, 131. 

 Gryllus, 12S, 132, 133. 



abbreviatus, 130, 132. 137. 

 luctuosus, 133. 

 Pennsylvanicus, 134. 

 (iuaymas, fishes of, 23. 



HALDEA, breeding habits, etc.. of, 120. 



Halids, vapor densities, 14. 



Hathaway, A. 8., 57, 03, 6.'i. 



Hay, O. P., 32, 100, 120, 144. 



Hay. W. P., 147. 



Height of the atmosphere, 29. 



Helodcrma suspectum, l.'v2. 



Henry coiinty flora, 20. 



prehistoric earth W(irks. 

 Heterodon platirhinos, breeding habits, etc. 



of, 114. 

 llisteresis curves, 0.5. 

 Ilolfmanseggia, the genus. 29, 79. 

 Hognosed snake, breeding habits, etc.. of, 



114. lis. 

 lloltzman, C. L.. 79. 

 Hubbard, Geo. ('., 77. 

 Hudson river or Cincinnati group, extent 



of, OS. 

 Hudson river, location of upper limits of, C<'.\. 

 Owen, Prof. Richard, views 

 of. 09. 

 Huston, II. A.. .5.5, .57. 

 Hydra fusca, 21. 

 Hypnotism, 17. 



INDIANA, acridida-, 15. 



birds, 10, 17, 20, 25, 104. 

 butterilies, 15, 31. 

 botanical work in. 17. 

 concliology, 20. 

 Cray fishes, 147. 

 crustaceans, 22, 147. 

 earth(iuake, 15. 

 entomcdogy, 14. 

 erosion, 28. 

 feeding material, 2:'.. 

 Hshes, 23. 

 Ilora, additions to, 22, 23. 



origin of, 17. 



peculiarities of, IS. 

 forest trees, is. 

 fungi, 20. 



geodetic survey, 17. 

 geography, 28. 

 geology, 15. 

 gryllid:r. 15. 



