72 



A VENATIONAL STUDY OF THE ZYGOPTERA 



Tillyard, R. J. 191 5- On the development of the wing venation in Zygopterous 

 dragonflies, with special reference to the Calopterygidae. 

 L. c, 40: 212-230, figs. 



1916. Further researches upon the problems of the radial and zygopterid 

 sectors in the wings of Odonata, and upon the formation of bridges. 

 L. c. 41:871-887, 6 figs. 

 Williamson, E. B. 1901. The dragonflies of Indiana. 

 Report Dept. Geol. Indiana, 24: 229-333. 



1904 (a). The dragonflies (Odonata) of Burma and Siam. I. Subfamily 

 Calopteryginae. 

 Proc. U. S. Nat. Mus., 28: 165-187, figs. 



1904 (b). A new species of Psolodesmus (order Odonata) from Formosa. 

 Entom. News, 15: 247-250, i pi. 



1913. The medio-anal link in the Agrioninae. 

 L. c, 24: 258-261. 



1915. Notes on neotropical dragonflies or Odonata. 

 Proc. U. S. Nat. Mus., 48: 601-638, pis. 36-40. 



1916. A new dragonfly genus of the legion Protoneura, (Odonata). 

 Entom. News, 27:30-33, figs. 



1917. Some species of Leptagrion with descriptions of a new genus and a new 

 species (Odonata). 



L. c, 28: 241-255. pis. and figs. 



Fig. 



Fig. 



Fig- 

 Fig. 



Fig 

 Fig 

 Fig 

 Fig 

 Fig 

 Fig 



Fig. 

 Fig. 

 Fig. 

 Fig. 



Explanation of Plates 

 Plate I 



I. — Wings of Epiophlebia super stes Selys. (Female, Cornell Collection.) 

 2. — Hind wing of Polythore gigantea Selys. (Male, Cornell Collection.) 

 3. — Hind wing of Euthore fasciata Selys. (Female, Cornell Collection.) 

 4. — Hind wing of Chalcopteryx rutilans Rambur. (Male, Cornell Collection.) 



Plate II 



5. — Hind wing of Cora marina Selys. (Male, Cornell Collection.) 

 — Hiiid wing of Climacohasis modesta Laidlaw. (Male, after Williamson.) 

 — Front wing of Echo margarita Selys. (Female, after Selys.) 

 — Hind wing of Archineura basilactea Kirby. (Male, after Kirby.) 

 9. — Hind wing of Umma longistigvia Selys. (Male, Cornell Collection.) 

 10. — Hind wing of Sapho ciliata Fabricius. (Female, i\cad. Nat. Sci. Phila- 

 delphia.) 



Plate III 

 II.- — Hind wing of Agrion virgo Linnaeus. (Female, Cornell Collection.) 

 12. — Hind wing of Matronoides cyaneipennis Foerster. (Male, after Foerster.) 

 13. — Hind wing of Matrona japonica Foerster. (Female, Cornell Collection.) 

 14. — Front wing of Neurobasis chinensis Linnaeus. (Female, Cornell Col- 

 lection.) 



Fig. 15. — Front wing of Mnais pruinosa Selys. (Male, Cornell Collection.) 



