48o 



1917. Life-histories of American insects, pp. 1-"2T".;. 91 figs., 21 

 pis. 



OsMVLII).\E 



Br.\uer, Fr. 



1S51. \'er\\ancllungsgeschichte des Osniyliis iiiacnlatHS. Arch. 

 Xaturgesch., IT: 2. "),")-•> .is, pi. f!, fig. i. 



DuFOUR, Leon 



IS-tS. Recherches sur I'anatoniie et I'histoire naturelle de VOsinylus 

 niaculaius. Ann. sci. nat., zool., (3) 9: 344-358, pi. 1. 



Hagex, LIermann 



1852. Die Entwicklung und der innere Bau von Osinvlns, Linn. 

 Ent., 7: 368-418, pis. 3-4. 



Lestage, J. -A. 



1920. La ponte et la larvule de VOsmyliis clirysu[^s L. (Plani- 

 penne). .^nn. biol. Jacustre, 10: 22(5-230, 5 figs. 



Sisyridae 

 AxtHONV. Maude H. 



1902. * The nietanior])hosis of Sisyra. Amer. Nat., 3G : 015-031, 

 18 figs. 



Grube, Ed. 



1843. Beschreibung einer aufifalenden, an Siisswasserschwammen 

 lebenden Lar\e. Arch. Naturgesch., 9: 331-337, pi. 10. 



Lestage, J.- A. 



1921. * Planipennia, in Rousseau, Les larvcs et nymphes aqua- 

 tiques des insectes d'Europe, pp. 329-342, figs. 94-103. 



Lampe, Martin 



1911. Beitrage zur .Anatomic und Histologic der Larve von 

 Sisyra fiiscata Fabr. Dissertation, Berlin, pp. 55. 



Needuam, James G. 



1901. * Aquatic in.sccts in the .\dirondacks. Bui. N. Y. State 

 Mus., 47 : 551-5G0, pi. 12. 



Westwood, John O. 



1842. Descrijition of some insects which inh.ibit the tissue of 

 Sponqilla flttziatilis. Trans. Ent. Soc. London, (1) 3: 105- 

 108, pi. 8. 



I'OLVSTOEC 1 1 OTIDAE 



(Family doubtfully aquatic) 

 Welch, Paul S. 



1914. The early stages of the life-history of Polystocclwlcs punc- 

 tatns Fabr. Bui. F.rooklyn Ent. Soc, 9: 1-6, pi. 1. 



