Some suggestions to tcafhors of scionco or 

 mathematics in high scliools, .")l. 



Sorghum sugar,:!!. 



Si>e('ies, descriptiou of. 1 1. 



Si)hyra7)icus varius liiT. 



Spirogyra, is. 



Sporangium of Hotryohium, T'.i. 



Spreading aider, Ijrceding liahits, etr., of, 

 111. 



Starch in cereals, ;'.«. 



Steamer ".Ml)alross." 'JO. 



siellcrida, (is. 



StomaUi developed by phylloxera, Tli. 



Stone, W. K., .■)7. 



Storeria dekayi, breeding habits, etc, of. 

 111. 



Striped tree crieket, 148. 



ground ericket, VM. 



Sucrose in sorghum, 31. 



Sugar beet iu Indiana, -Vi. 



Sun fishes, 1"). 



Sun's light, '2>.i. 



Sweet potatoes, 'i'.i. 



Syuaptomys cooperii, Hi. 



TAU'^miORIC COMPOrNDS, 27. 

 Tasmauian insects, :'.!, 16.s. 

 Taxodium di.stichum, is. 

 Texas, llora of, 18. 

 Ihomas, M. 1!., .si2, 16s. 

 'I'liysanura, '21. 

 Tillaudsia, 'iS. 



usneoides, 17. 

 Tingle J. K. M.,(m. 

 Titanium, 27. 



Toeppler-IIoltz machine, 25. 

 Tridaetylus, 12s-i2'.». 



specialis, I2'.i. 

 miuutus. 1 f I. 

 terminalis, 111. 

 Tri phenyl benzene, formation of, 17. 

 Tropidonotus, breeding habits, etc., of, 112. 

 grab a mil, 11:'.. 

 kirtlandii. 111. 

 leberis, lb!, 

 sipedon, 112. 

 Trusts, effects of, 23. 

 Tsuga, archegonium aud apical growth, 7!». 



canadensis, 26. 

 Turtles, observations on, 12(i. 



ILMUS AMKKIC.VNA. 1 in. 

 rmbellifer;c, 28. 

 ("mbellifers, 13. 

 rnderwood, ly. M., «:!, s'.i, '.i2. 

 Urauoscopidie. 2."). 

 Trinator imbex, KKl. 

 Irine. blood in, 2'). 



I'nited States Coast and <leoliigical Sur- 

 vey. 2(i. 

 I'nited States F.sh Commission. 21. 



VAN KUVS, T. (!., ."il, IS. 

 Veratum woodii, 2'.i. 

 N'ermillion, Xcwt., notes on, I 11. 

 \ernonica pascieulala. 111. 

 \'ertebrae in fishes, 21. 

 Vigo County compositic, !•'). 



drift, 2S. 



fish. 1.1. 



geology, 2s. 

 \i(ila i.edata, 30. 



WAl'.ASli EUIE DIVIDK. IS. 



Wabash Hshes, 20, 23. 



Wabash river, 17. 



Waldo, C. \., (m. 



Waldo county. 17. 



Water iu oils and fats, 2.'), oi). 



Water moccasins, breeding habits, etc., 

 of. 107. 



Water snakes, breeding habits, etc., of. 112. 



Water supply for cities in Northwestern In- 

 diana, 71, 72. 

 Chicago, location of pipe 



line, 72. 

 New York, 27. 



\Vebster, K. M., 155, l.")S. 



Well waters, 27, .5(1. 



Western plants, 2S. 



at Columbus, Ohio, 71. 



Wheatstonc's bridge, 27. 



White climbing ericket, 141, 1 12. 



White spored agarics, 2(i. 



Wingless striped cricket, 13.'i. 



XANTHOCEPHALrs.KANTIIOCKl'lI.M.I .^. 



165. 

 -Kanthoxylum americanum, 13'.i. 

 Xylose. 29. 



VKLLOWSTONK PARK, 21. 



ZOOLOGY, systematic, 2-1. 



