Vj /\5 3^7/^ 



Vol. VII April 1907 No. 2 



University 



Published by the University^/ Nebraska * % 



COMMITTEE OF PUBL 



C. E. BESSEY H. ALICE HOWEIvL 



T. ly. BOLTON W. K. JEWETT 



F. M. FUNG L. A. SHERMAN 



W. G. L. TAYLOR 



CONTENTS 



I Fatigue; and the; Re;cove;ry of the; Photo- "* 

 Elkctric Current 



W. F. Holman . . . .125 



II Some Variations in Hymenolepis diminuta 



Lazelle B. Sturdevant . . . 135 



III A Study of Some Gregarines with Especial 

 Reference to Hirmocystis rigida f. sp. 



Maurice Crowther Hall . . .149 



IV On the Relation of Muscle Sense to Pre- 

 suRE Sense 



7! L. Bolton and Donna L. Withey . 175 



UNCOI.N NEBRASKA 



Entered at the post-office in Wncoln, Nebraska, as second-class matter, as University 

 Bulletin, Series XII, No. 14 



