427] STUDIES ON GREGARINES— WATSON 217 



DiESING, K. M. 



1851. Systema helminthum, vol. 2. Vindobonae, 591 pp. 



1859. Revision des Rhyngodeen. Sitzb. Kais. Akad. Wiss., Wien, math 



natw. Kl., 37:719-82; 3 pi. 

 DUFOUR, L. 



1826. Recherches anatomique sur les carabiques et plusieures autres insects 



Coleopteres. Ann. sci. nat., (i) 8:42-45; i pi. 

 1828. Note sur la gregarine nouveau genre de ver qui vit en tropeau de la 



intestine de divers insects. Ann. sci. nat., (i) 13:366-7. 



1837. Recherches sur quelque entozoaires et larves parasites des insects 

 Orthopteres et Hymenopteres. Ann. sci. nat., (2) 7:5-20; i pi. 



Ellis, M. M. 



1912. A New Species of Polycystid Gregarine from the United States. 

 Zool. Anz., 39 :25-7. 



1912a. Five Polycystid Gregarines from Guatemala. Zool. Anz., 39 :68o-9. 

 1912b. A New Species of Gregarine from North American Diplopods. 

 Zool. Anz.. 40:8-11. 



1913. New Gregarines from the United States. Zool. Anz., 41 :462-5. 

 1913a. Three Gregarines from Louisiana. Zool. Anz., 42 :200-2. 



1913b. A Descriptive List of the Cephaline Gregarines of the New World. 



Trans. Amer. Micr. Soc, 32:259-96; 4 pi. 

 1913c. Gregarines from some Michigan Orthoptera. Zool. Anz., 43 :78-84. 

 Frantzius, a. von 



1848. Einige nachtragliche Bemerkungen iiber Gregarinen. Arch. Naturg., 

 14:188-96; I pi. 

 Frenzel, J. 



1892. tjber einige argentinische Gregarinen. Jen. Zeitschr., 27:233-336; ipl. 

 Gabriel, B. 



1880. Zur Classification der Gregarinen. Zool. Anz., 3:569-72. 

 Gaede, H. M. 



1815. Beytrage zur Anatomic der Insekten. Altona. 



Grebnecki, . 



1873. Mem. Soc. Nat. Nouvelle-Russie. Odessa. [Quoted from 



Sokolow, 191 1.] 

 Hall, M. C. 



1907. A Study of some Gregarines with Especial Reference to Hirniocystis 

 rigida, n. sp. Univ. Nebr. Studies, 7:149-74; i pi. 

 Hammerschmidt, K. E. 



1838. Helminthologische^Beytrage. Isis (Oken), (5) 351-8, 4 pi. [Quoted 

 from Stein, 1848.] 



Huxley, J. 



1910. On Gauyiiicdcs aiiaspidis (n. g., n. s.) a Gregarine from the Digestive 

 Tract of Anaspides tasinaniae (Thompson). Quar. Jour. Micr. Sci., 

 55 •i55"75- 



ISHII, S. 



191 1. On the Intracellular Stage of Gregarina palymorpJia. Ann. Zool. 

 Japon., 7:279-84. 



