32 



*55. A Probable Hybrid Darter, 5 m W. J. Moenkhaus. 



5G. Some Observations of the Daily Habits of the Toad, 



10 m J. H. Slonaker. 



57. The Methods and Extent of the Illinois Ichthyological 



Survey, 5 m Thomas Large. 



58. Additions to the Indiana Lists of Dragon-Flies, with a 



Few Notes, 10 m E. B. Williamson. 



GEOGRAPHY AND GEOLOGY. 



59. Eskers and Esker Lakes, 20 m C. R. Dryer. 



60. Spy Run and Poinsett Lake Bottoms, 7., 



J. A. Price and Albert Shaaf. 



61. Abandoned Meanders of Spy Run Creek, 5 m., 



J. A. Price and Albert Shaaf. 



62. The Development of the Wabash Drainage System and 



the Recession of the Ice Sheet in Indiana, 20 m. .Wm. A. McBeth. 



63. A Theory to Explain the Western Indiana Bowlder 



Belts. 5 m Wm. A. McBeth. 



64. Aids in Teaching Physical Geography, 10 m V. F. Marsters. 



*65. Geography of Harper's Ferry Sheet (illustrated by 



model), 10 m V. F. Marsters. 



66. River Bends and Bluffs, 10 m Wm. M. Heiney. 



67. Notes on the Ordovician Rocks of Southern Indiana, 



10 m Edgar R. Cumings. 



68. Some Developmental Stages of Orthothetes minutus 



N. Sp., 10 m Edgar R. Cumings. 



t69. The Cold-Blooded Vertebrates of Winona Lake and Vi- 

 cinity E. E. Ramsey. 



•Author absent, paper not presented. 



fThe paper was announced in the program of 1899, but was not completed for publica- 

 tion until recently. 



