8 E. B. Williamson 



41. Isc/iiiura pusila Hagcn.'' — Allen, De Kalb, TUkliart, Kosciusko, Lagrange, Noble. 



Steuben, Wells and Whitley Counties. May; Jun.c; July; August; September 

 1-20. 



42. Ischnura prognata Hagen.io— Wells County. April 21-30; June 21-30. 



43. Ischnura verticalis Say. — Allen, Rlackfoni, Crawford, De Kalb, Elkhart, Fountain, 



Kosciusko, Lagrange, Marshall, Noble, Steuben, Wells and Whitley Counties. 

 jMay; June; July; August 1-20; September 1-20. 



Genus Anomalagrion Selys. 



44. Anomalagrion hastattiui Say.— Blackford, Elkhart and Wells Counties. .May i- 



10; June 21-30; July. 



Suborder .ANTvSOPTERA. 



Family AeshnidaE. 



Subfamily Petalurinae. 



Genus Tachopteryx Selys. 



45. Tachopteryx thoreyi Hagen. — Montgomery County ^C. C. Deam). July 21-31. 



Subfamily Cordulegasterinae. 



Genus Cordulegaster Leach. 



46. Cordulegaster diastatops Selys.^^ — St. Joseph County. ^Tay 21-31. 



47. Cordulegaster maenlatus Selys.^- — Noble County. June i-io. 



48. Cordulegaster obliquns Say. — 'Inhabits Indiana'' (Say). 



Subfamily Gomphinae. 



Genus Progomphus Selys. 



49. Progomphus obsctirus Rambur. — Allen. Dearborn, Elkhart, Huntington, Koscius- 



ko, Putnam, Steuben, Wells and Whitley Counties. June; July. 



Genus Hagenius Selys. 



50. Hagenius brevistylus Selys. — Allen, Elkhart. Kosciusko, Noble, Putnam, Sh^^lby 



and Wells Counties. June; July i-io; August ii-3i; September i-ic. 



Genus Ophiogomphus Selys. 



51. Opliiogomphus rupiusiilcnsis \\'alsh. — Allen, Elkhart, Kosciusko and Wells Coun- 



ties. — May i-io, 21-31 ; June. 



Genus Erpetogomphus Selys. 



52. Erpetogomphus dcsignatus ITagen.^" — Dearborn and Franklin Counties. July 21- 



31 ; August 21-31. 



(/en us Gomphus I,each. 



53. Gomphus crassns Hagen. ^-i — Wai)ash and Wells Counties. May 11-31; June 1-20; 



July 11-31. 



54. Gomphus dilatatus Rambur. — Crawford and Kosciusko Counties. May 21-31 ; 



June 21-31. 



55. Gomphus e.rilis Selys. — Elkhart, Kosciusko, Noble, Steuben, Wells and Whitley 



Counties. IMay 21-31; June: July 1-20. 



56. Gomphus fratcrnus Say. — Allen, Blackford, Dearborn, De Kalb. Elkhart. Hunt- 



ington. Noble, Putnam, St. Joseph, Wabash, Wells and Whitley Counties. 

 .May 11-31; June; July 1-20. 



57. Gomphus furafer Hagen. — Allen and Lake Counties. Jmie 1-20. 



58. Gomphus graslinellus Walsh. — Adams, Blackford, Huntington. Marshall, Putnam, 



Wabash, Wells and Whitley Counties. May 11-31; June; July. 



