96 The Ohio XaturaJist. [Vol. XIII, No. 5, 



Erpetogomphus designatus Hagen, taken by Williamson 

 along the White Water River near Harrison, July 26, 1903. 

 Calvert mentions this species as a member of the Ohio fauna in 

 Biol. Cent. Amer. Volume on Odonata, page 107! Williamson 

 states that he has seen specimens in Dury's collection, taken at 

 Cincinnati. 



Gomphus viridifrons Hine. In Ohio Naturalist, Volume I, 

 page 13, this species is listed under Gomphus abbreviatus (?) 

 Hagen. Specimens procured near Loudonville by J. B. Parker 

 and R. C. Osburn, June 10, 1899. The species was cominon at the 

 same locality June 14, 1900. 



Gomphus amnicola Walsh, taken along the Little Miami River 

 at Cincinnati by Chas. Dury, May 5, 1899, and July 10, 1903. 

 Along the Ohio River by the same collector, July 25, 1911. 



Boyeria grafiana Williamson. This species was included under 

 B. Vinosa (Say) in The Odanata of Ohio. Williamson published 

 a description of it as a new species in 1907, Entomological News, 

 XVni,'page 1. A male, taken at Orwell, Ohio, September, 1894, 

 by E. E. Bogue, is in the Kellicott collection. 



Aeschna mutata Hagen. Specimens taken by Osburn and Hine 

 at Stewart's Lake, near Kent, O., June 22, 19UU. Listed in Ohio 

 Naturalist, Vol. I, page 14, as Aeschna verticalis Hagen. 



Nasi^eschna pentacantha (Rambur) was taken near Kent, O., 

 June 21, 1900. In company with R. C. Osburn we procured three 

 pairs of the species. Others were seen. 



Neurocordulia obsoleta (Say) has been taken at Cincinnati, 

 by Chas. Dury and his associates in different years. A male spec- 

 imen in the Kellicott collection was taken at Cincinnati, 

 June 15, 1899. 



Neurocordulia yamaskanensis (Provancher) was procured on 

 Rattlesnake Island, in Lake Erie, June 28, 1900, by Prof. H. Osborn 



The additions here enumerated bring the number of species of 

 dragonfiies actually collected in Ohio up to 109. ^ There is no 

 doubt but that more additions can be made by thorough collecting 

 in all parts of the State. 



