14 Proceedings of Indiana Academy of Science 



*R«lation of Insects to Human Life and to the other Sciences. John 



J. Davis, Purdue University. 

 *Content of First Course in Zoology. R. A. Gantz, Indiana State Normal 



School, Eastern Division. 

 Notes on Mammals of the Dune Region of Porter County, Indiana. 



(Illustrated.) Marcus W. Lyon, Jr., South Bend. 



* Notes on the Termites of Indiana. (Illustrated.) Harry F. Dietz, 



Indianapolis. 



* Complement-deficient Guinea-pig Serum. (By title.) Roscoe R. Hyde, 



Johns Hopkins University. (To be published in American Journal 



of Hygiene, 1923.) 

 Reactions to Light and Photoreceptors of Liimhriciis ten-estris. Walter 



N. Hess, DePauw University. 

 Chromosomal Variations in the Earwig, Anisolahrifi annuleipes Lucas. 



W. P. Morgan, Indiana Central College. 

 A Hygrothermograph Puzzle. W. H. Larrimer, U.S. Entomological 



Laboratory, West Lafayette. 

 *A Study of the Virginia Opossum. W. H. Sheak, Ijamsville. 



Bacteyiologi/. 



Nagana (Tri/paiiosoiiKi brucci) : The Course of the Disea.se in Labora- 

 tory Animals when Injected with Cultures Grown in vivo and in 

 vitro. Charles A. Behrens, Purdue University. 



The Use of Clark and Lubs Indicators for the Detection of Acid Pro- 

 duction by Colon-Typhoid Group. P. A. Tetrault, Purdue Univer- 

 sity. 



Soil Bacterial Types and Green Manuring. I. L. Baldwin, Purdue Uni- 

 ver.sity. 



A Simple Method of Determining the Thermal Death-point. James B. 

 Kendrick and Max W. Gardner, Purdue Agricultural Experiment 

 Station. 



Botany. 



Further Notes on the Unusual Stipules of Acer nigrum Michx. Flora 

 Anderson, Indiana University. 

 fUnusual Branching in Cladophora. Flora Ander.son, Indiana Univer- 

 sity. 



Plants New to Indiana. XI. C. C. Deam, Bluifton. 



'^Attack of Fungi on the Lids of Water Culture Jai-s. F. M. Andrews, 

 Indiana University. 



The Effect of Pressure on Seedlings. F. M. Andrews, Indiana Univer- 

 sity. 



The Convolvulaceae of Indiana. Truman G. Yuncker, DePauw Univer- 

 sity. 



Recent Indiana Weeds. Albert A. Hanson, Purdue Agricultural Ex- 

 periment Station. 



Wild Corn as a Weed Problem in Indiana. Albert A. Hansen, Purdue 

 Agricultural Experiment Station. 



* Papers starred (*) not published in this proceedings. 

 t Another title substituted in this Proceedings. 



