146 ILLINOIS BIOLOGICAL MONOGRAPHS [146 



Reaumur. 



Memoires pour servir a l'histoire des Insectes. 1736-42. 

 Scudder, S. H. 



The Butterflies of the Eastern United States and Canada. 1889. 

 Siltala, A. J. 



Trichopterologische Untersuchungen. No. 2. Zool. Jahrb., Suppl. 9, 1907, 

 PP. 309-626, esp., pp. 35D-375- 

 Spuler, Arnold. 



Die Schmetterlinge Europas. Bd. I, 1908, p. ix. 

 Tsou, Y. H. 



The Body Setae of Lepidopterous Larvae. Trans. Am. Micr. Soc., 33, 1914, 

 223-260. This paper was written simultaneously with the one presented here- 

 with. The results agree in the main as each was cognizant of the other's 

 work. 

 Walsingham, Lord. 



Biologia Centrali-Americana. Lepidoptera Heterocera. Vol. 4, incomplete, 

 191 1 — . 

 Wood, J. H. 



Notes on Earlier Stages of the Nepticulae. Ent. Monthly Mag. (2), 5, 1894, 

 PP. 1, 43. 93, 150, 272. 



