226 



Elec. World Ungin., Nexo 



York, N.Y. 

 Engin. Mag., New York, 



N.Y. 

 Engin. Min. J., Nezc York, 



isr.Y. 



JEnt. Stud., Philadelphia, 



Pa. 

 Essex Nat., Salem, Mass. 



Fern Still., Pinghamton, 



N.Y. 

 Forest. Irrig., Washington, 



D.C. 



'Gas Engine, Cincinnati, 



Ohio 

 Qeol, Minn., St, Paul. 



Georgia, Pull. Geol. Surv., 



Atlanta 

 Georgia, Rep. Geol. Surv., 



Atlanta 

 Granville, Ohio, Pull. Sci. 



Lab. Penison Univ. 

 Granville, Ohio, Stud. 



Netir. Lab. Penison Univ. 



JSoboken, N.J., Stevens 

 Inst. Tech. Indie. 



Indiana, Pep. Pept. Geol. 

 Nat. Pes., Indianapolis 



Indiana, Pep. Geol. Surv., 



Indianapolis . 

 Indianapolis, Ind., Proc. 



Acad. Sci. 

 lotva City, loica. Pull. 



Univ. Lab. Nat. Hist. 



Iowa Geol. Surv., Pes 



Moines 

 Iowa Geol. Surv., Monogr., 



Pes Moines 

 Ithaca, N.Y. , Cornell Univ. 



Pull. Sci. 



Electrical World and Engineer, New York, 



N.Y. [BCCa 



The Engineering Magazine, New York, N.Y. 



[BO 

 Engineering and Mining Journal, New York, 



N.Y. [BGH 



Entomological Student (Enlomological Students' 



Association), Philadelphia, Pa. [N 



Essex Naturalist. (Journal of the Essex Field 



Club), Salem, Mass. [Q-P 



Fern Bulletin, Binghamton, N.Y. [M 



Forestry and Irrigation, Washington, D.C. [M 



Gas Engine, Cincinnati, Ohio. 



[B 



Geology of Minnesota. (Minnesota Geological 



and Natural History Survey), St. Paul. 



[GHK 

 Bulletin of the Geological SuTA^ey of Georgia, 



Atlanta. [H 



Report of the Geological Surrey of Georgia, 



Atlanta. [H 



Bulletin of the Scientific Laboratories of 



Denison University, Granville, Oliio. 

 Studies from the Neurological L iboratory of 



Denison University, Granville, Ohio. [Q, 



Stevens Institute Indicator. (Stevens Institute 

 of Technology), Hoboken, N.J. [B 



Eeport of the Indiana Department of Geology 



and Natural Eesources, Indianapolis. 



[GBJK 

 Annual Eeport of the Indiana Geological Sur- 



vey, Indianapolis. [GHKM 



Proceedings of the Indiana Academy of Science, 



Indianapolis. 

 Bulletin from the Laboratories of Natural 



History of the State Universitv of Iowa City. 



[G-R 

 Iowa Geological Survey, Des Moines. [GHK 



Iowa Geological Survey, Monographs, Des 



Moines. [GHK 



Cornell University Bulletin. Science. Cornell 

 University, Ithaca, N.Y. 



142 

 144 

 145 

 149 

 150 



151 

 152 



153 

 154 



155 

 156 

 160 

 161 



162 



166 



167 

 169 

 170 



171 

 172 

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