Vol. XXV] ENTOMOLOGICAL NEWS. 411 



Dragonflies (Odonata) collected in Texas and 



Oklahoma. 



By E. B. WILLIAMSON, Bluffton, Indiana. 



During part of May and June, 1907, Dr. D. A. Atkinson and 

 Mr. G. A. Link, of Pittsburg, and the writer collected in Texas 

 and Oklahoma. The first two named gave their attention to 

 herpetological material, while I collected dragonflies. In addi- 

 tion to the material collected at this time, I later obtained 

 specimens collected in Oklahoma in August and September, 

 1907, by Frank Collins, a boy with whom I became acquainted 

 at Wister ; and also specimens from Mr. C. A. Hart, of the 

 University of Illinois, collected at Brownsville, Texas, No- 

 vember 25, 1910. 



A brief itinerary of our collecting trip follows : 

 May n, 1907, arrived at Brownsville, Texas. 

 May 12, spent most of the day at Isabel on the coast and later 



in the day about the fort at Brownsville. 

 May 13, above Brownsville along Alice road. 

 May 14, drove to Mercedes via Santa Maria, where we ate 



dinner; returned to Brownsville at 2.30 A. M., May 16. 

 May 16, en route St. L. B. & Mex. R. R. to section house at 



Black Bayou, where the railroad crosses the Guadalupe 



River, Texas. 

 May 17, at cypress swamp on left bank of river, along the 



river, and along a small tributary on right bank just above 



railroad bridge. 

 May 18, about shallow, marshy lake south of railroad track, 



on the right of the river, and about one mile from the 



section house. (See under May 21.) 

 May 19, same as May 17. 

 May 20, about lake north of section house and on the left side 



of the river. (See under May 21.) 

 May 21, same as May 18. 



The two lakes or ponds mentioned above (May 18 and May 

 20) are entirely different in character. The one south of the 

 track is in grass and alder country, and dragonflies of several 



