360 DRAGONFLIES OF NORTH AMERICA 
1927. Notes on Some American Dragonfly Nymphs. Jour. N. Y. Ent. 
Soc. 35: 65-74. 1 pl. 
1927. Key to the North American Species of Enallagma, with a des- 
cription of a new species. Trans. Am. Ent., Soc, 53: 249-260. 
1927. Enallagma and Telagrion from Western Florida, with a De- 
scription of a New Species. Annals E. S. A. 20: 385-392. 
Calvert, Philip P. 1912. The North American Dragonflies of the Genus Aeschna. 
By E. M. Walker. Ent. News 23: 283-286. 
1913. The Species of Nehalennia including one from the eastern United 
States hitherto undescribed. Ent. News 24: 310-316. 
1915. The Dimorphism or Dichromatism of the Females of Ischnura 
Verticalis. Ent. News 26: 62-68. 
1917. On Hagenius Brevistylus. Proc. Acad. Natur. Sci. 69: 205. 
1919. Gundlach’s Work on the Odonata of Cuba: A Critical Study. 
Trans. Am. Ent. Soc. 45: 335-396, 3 pl. 
1921. Gomphus Dilatatus, Vastus and a new species, Lineatifrons. 
Amer. Entom. Soc. 47, pp. 221—232, 2 pls. 
1923. Supplementary note on Gomphus dilatatus. Leucorhinia proxima 
at a high altitude in Colorado. Ent. News XXIV: 87-88. 
—-—-— 1924. The supposed Males of Ophiogomphus howei. Ent. News 35: 345-7. 
1926. Relations of a late autumnal dragonfly to temperature. Ecology 
8: 185-190. 
1928. Report on Odonata..... Collected by the Barbados Antigua 
Expedition. Univ. Iowa Stud. Nat. Hist. 12: 1-44, 5 pl. 
Coombs, A. F. 1917. Notes on a collection of Odonata from Schoolcraft Co. 
Mich. Occ. Papers, Mus. of Zoo. U. of Mich. 41, 8 pp. 
Cullen, Anna M. 1918. Rectal Tracheation of Argia Putrida Larva. Proc. 
Acad. Nat. Sci. Phil. 75, 81. 
Currie, Bertha P. 1917. Gomphus parvidens, a new sp. from Maryland. Proc. 
N.S. Nat. Mus. 53: 223-226. 2 pl. 
Davis, Wm. T. 1913. Dragonflies of New York City. Jour. N. Y. Ent. Soc. 
21: 12-24. 
1914. The Dragonfly Anax Longipes on Long Island, N. Y. Bull. Brook. 
Ent. Soc. 9: 34-87. 
1922. A New Dragonfly from Florida. Bull. Brook. Ent. Soc. 16: 109- 
ne GIA 
1927. A New Dragonfly from Virginia. Bull. Brook. Ent. Soc. 22: 
155-156. 
Garman, Philip. 1917. The Zygoptera, or Damselflies, of Illinois. Bull. Ill. 
St. Lab. Nat. His. 12: 410-587, 16 pls. 
1927. The Odonata or Dragonflies of Connecticut. Conn. Geol. and 
Nat. Hist. Survey Bull. 39. 
Hine, J. S. 1925. Tachopteryx thoreyi, recorded from Ohio, with notes on its 
near relatives. Ohio Jour. Sc. 25: 190-192. 
Holland, W. J. 1922. Calopteryx maculata, an interesting photograph. Proc. 
Ent. Soc. Wash. 24: 117-118. 
Howe, R. H. 1916. A preliminary list of the Odonata of Concord, Mass. Rep. 
Psyche. 23: 12-15. 
——— 1917-1923. Manual of the Odonata of New England. Memoir Thoreau 
Museum Nat. Hist. II: 1-138. 















