22 Maurice CrozvtJicr Hall 



the intestinal content and next to the intestinal wall, occasionallv 

 showing as yellow patches. All the hosts were from the same 

 field, and of the parasites found a small number were orange- 

 colored. 



At St. Peters a mountain cricket showed an occasional slight 

 infection with a white gregarine, but no study was made of this 

 form. 



The author's thanks are due to Dr. Henry B.. Ward of the 

 University of Nebraska for the suggestion of a line of work 

 which is so full of interest and for the discipline and training 

 which have accompanied the work under him. Thanks are also 

 due to Prof. Lawrence Bruner of the University for aid in identi- 

 fying the insect hosts of parasites. 



• BIBLIOGRAPHY 



van Beneden, Ed. 



1872. Remarks on the Structure of the Gregarines. Ouar. 

 Jour. Mic. Sci., n. s., 12:211-18; i pi. 



Biitschli, (3. 



1 881. Kleine Beitrage zur Kenntnis der Gregarinen. Zeit. f. 

 wiss. Zool., 35 :384-409 ; 2 pi. 



1882. Protozoa. Bronn's Klassen und Ordnen des Tierreichs, 

 I ■479-5^9- 



Calkins, Gary N. 



1901. The Protozoa. Columbia Univ. Biol. Ser., vol. 6. New 

 York. 



Doflein, F. 



1901. Die Protozoen als F'arasiten und Krankheitserreger nach 

 biologischen Gcsichtspunkten dargestellt. Jena, pp. 160- 

 75, figs. 118-36. 



170 





