62 Bulletin Wisconsin Natural History Societij. [Vol. 6, Nos. 1 — 2. 
BIBLIOGRAPHY. The following works will supply most 
of the information necessary for any more extensive study of our 
fauna. 
HAGEX. Synopsis of the Xeviroptera of North America. Smith- 
sonian Miscellaneous collections, Washing-ton, 1861. 
KIKBY. A Synomymic Catalog^ie of Neuroptera Odonata or 
drag'on flies. London, 1890, pp. 202. 
BANKS. A Sj'nopsis, catalog-ne, and biblography of the Neurop- 
teroid insects of temperate North America. Trans. Am. Ent. Soc, 
1892, pp. 328-373. 
CALVERT. Catalogue of the Odonata (Drag-on flies) of the 
vicinity of Philadelphia. Trans. Am. Ent. Soc. 1893, pp. 152-272, 2 pis. 
KELLICOTT. The Odonata of Ohio. Ohio Acad. Sci., Special 
paper No. 2, 1899, pp. 114, 3 pis. 
WILLIAMSON. The Dragon-flies of Indiana. Indiana Geolog. 
Kept. i. 1899 (1900), pp. 229-333, 7 pis. 
NEEDHAJSI. Aquatic Insects of the Adirondacks, Odonata. Bull. 
New York State Mus., pp. 429-540 (1901). (Suborder Anisoptera.) 
NEEDHAM. Idem, Bull. No. 68, pp. 218-279 (1903). (Suborder 
Zygoi^tera.) 
NEEDHAM. A Genealogic Study of Dragon-fly wing venation, 
Proc. U. S. Nat. Museum, Vol. 26, pp. 703-764, 24 pis (1903). 
MATERIAL STUDIED. The material used for the present 
paper is chiefly that contained in the Milwaukee Public Museum 
collections, in great part collected by Messrs. Charles E. Brown, 
Valentine Fernekes, Frederick Rauterberg, and others, from Mli- 
waukee and Waukesha Counties, principally from 1900 to 1903 ; 
collections by expeditions from the Museum in Door County in 
1905 ; in Vilas, Iron and Bayfield Counties in 1907 ; collections by 
Mr. Henry L. Ward from Washington County in 1907 ; and many 
single specimens from odd localities, chiefly from the counties 
mentioned. Lists of collections from Dane County were obtained 
through the kindness of Prof. Philip Calvert, of the University of 
Pennsylvania and of Prof. William S. Marshall, of the University 
of Wisconsin. Obligations are due to Mr. Charles T. Brues, un- 
