68 ENTOMOLOGICAL NEWS. [Feb.,’18 
in the plate actually published having been made by Mrs. 
Peart. 
Mr. B. Neumoegen received quite a number of both sexes of 
apacheana and the specimens in collections are from this ma- 
terial. Mr. Jacob Doll informed me that all these specimens 
were shipped from Kanab, Utah, but he did not know the ex- 
act locality where they were taken. There can be no question 
but that the original description of nokomis applies to what 
we know as nitocris and therefore nitocris becomes a synonym 
of nokomis. 
If anyone possesses specimens of apacheane, with accurate 
data, it would be very useful to have the localities and dates 
of capture published. At present 1 am not prepared to say 
anything about the specific value of the two names, but I have 
not seen any maculation characters that show intergradation. 
+ ~e> -— 
Variation in Labial Characters in the Nymph of 
Gomphus spicatus (Odonata). 
By Atice L. Strout, Buffalo, New York.. 
In the identification of a collection of Gomphus nymphs 
sent to the Limnological Laboratory of Cornell University, 
slight variations were noticed in the minute characters of labia 
whose general form seemed identical. As the labial char- 
acters are those most depended upon for the separation of 
species, it was necessary to study the variation in one species 
before using the minute characters to differentiate between 
species. The material for this study was one hundred and 
ten exuviae of nymphs of Gomphus spicatus collected by Dr. 
Needham at one time and place. 
The labial characters used for the separation of species are 
as follows: The shape of the median lobe, the presence or 
absence of a median tooth on this lobe, the form of the median 
tooth when present, the number and shape of the teeth on the 
inner margin of the lateral lobes. 
In the following study, variations in the above points were 
noted. I mounted one hundred and ten labia from the above 
