36 
houses before storms, and is commonest in May and early sum- 
mer, being found along roads, in open woods, or over fields or 
water—wherever it may capture flying insects. 
We have not seen the nymph, but Mr. Needham has com- 
piled from Cabot’s description and figure (’81, p. 30, Pl. L., Fig. 3) 
the following characters. 
The nymph is 40 mm. long. 
The head is deeply concave behind between the rounded 
hind angles Of the acute and approximated supracoxal proc- 
esses, the anterior process is the longer. Median lobe of-labi- 
um slightly notched at middle, the borders of the notch varia- 
ble. Lateral lobes truncate on the end, denticulate within. 
Lateral spines on abdominal segments 5 to 9. Appendages 
equaling segments 9+-10; laterals sightly more than half as 
long as the inferiors, which are a little longer than the supe- 
rior. The tip of the latter is blunt. 
IU. Boyvrerza MecLachl. 
In appearance, structure, and habits this is much like the 
preceding genus. The imagos of the single North American 
species are not very large. They have a small brown spot 
at the base of each wing, reddish veins, and a yellow ptero- 
stigma. 
Boyeria vinosa Say. 
Fonscolombia vinosa, Calvert, 93, p. 247. 
Neureschna furcillata, Cabot, ’81, p. 29, Pl. II., Fig. 3 (male nymph). 
Gompheschna furcillata, Cabot, ’81, p. 28, Pl. I1., Fig. 4 (female nymph). 
A single exuvia was found by Mr. Needham attached to 
the under side of a plank, several feet above the water, at 
McHarry’s mill-dam on Quiver Creek, in June. He has col- 
lected nymphs since in the rapid streams about Ithaca, N Y- 
Another nymph was taken by Mr. Hart in April, clinging to 
floating driftwood in Quiver Creek below the mill-dam. Like 
N. pentacantha, it is dark colored and sluggish, and appearsto have 
similar habits. Kellicott (96, p. 111) found the imagos quite 
