96 
The Ohio Naturalist. 
[Vol. XIII, No. 5, 
Erpetogomphus designatus Hagen, taken by Williamson 
along the White Water River near Harrison, July 20, 1903. 
Calvert mentions this species as a member of the Ohio fauna in 
Biol. Cent. Amer. Volume on Odonata, page 167. 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 common 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, 191 1. 
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, 
XVIII, 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, 1900. Listed in Ohio 
Naturalist, Vol. I, page 14, as Aeschna verticalis Hagen. 
Nasiaeschna 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 Eric, June 28, 1900, by Prof. H. Osborn 
The additions here enumerated bring the number of species of 
dragonflies 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. 
