APPENDIX D. 345 

15. Tettigidea acadica nov. sp.—Head blackish fuscous, rather thickly studded 
with minute, pallid, raised points ; the mouth parts paler, but the tip of the labrum 
black ; pronotum pale cinereous, thickly studded with minute, whitish, raised points 
and a few little black dots on the upper surface next the middle of the tegmina ; the 
sides, above the tegmina, dark brown like these organs ; legs pale cinereous, heavily 
flecked with black, the hind femora less so than the other parts; hind tibix 
blackish at the base, in the middle, and more broadly at the apex. Median carina of 
summit of head sharp, equal, extending over its anterior half; pronotum extending 
backward to the tip of the abdomen, forming a low crest, highest anteriorly, falling 
rapidly in front, and raised above the level of the head by about as much as the 
width of the vertex between the eyes; wings reaching to the tip of the abdomen. 
Length of pronotum, 9°5 mm.; breadth of same, 3:1 mm. A single female was taken 
near the Lake of the Woods. 
The Gryllides were not determined. 
