IOWA ACADEMY OF SCIENCES. 
67 
larvse of these forms show quite as much divergance from 
the general Tettigonia form as do the adults. 
A. Front, as seen from side, straight or concave above, clypeus 
definitely angled. Sides of front with numerous dark arcs. 
B. Vertex long, acute, margins as seen from above straight,, 
apex with minitte spots or none. Profile of front 
straight. A pair of black stripes beneath the eyes m 
line with the margins of the elytra. 
C. Vertex in the female longer than the pronotum* 
distinctly longer than broad. Lines on vertex 
rarely broad. Size small, male segment broad.. . 
mollipes , Say. 
CC. Vertex in female slightly shorter than pronotum* 
distinctly shorter than broad, face deep; lines on 
vertex broad, distinct. Size large, female 10 mm, 
or over. Male segment long, cylindrical ........ 
angulifera , Walk, 
BB. Vertex shorter, stouter, margins as seen from above 
slightly rounding, two dark spots on apex and another 
pair on margin against eye, Profile of front slightly' 
rounding. 
C. Vertex acutely angled, longer than pronotum yx 
the female, the line» distinct, heavy; male vertex: 
with a dark wedge back of the apex and a pair of : 
oblique ovals on the disG. Spots at apex and! 
against eye small manitobiana y n. sp, 
CC. Vertex scarcely less than a right angle, eyes much 
wider than pronotum, the lines on vertex pale*. 
spots at apex and against eye large, black 
novaeboracensis , Fitch.. 
AA. Front, as seen from side, slightly rounding. Clypeus round- 
ing or weakly angled, front and vertex mottled with brown! 
or unmarked, never lined. 
B. Vertex acutely angled, longer or about equalling the 
pronotum, elytra with few coarse reticulations. 
C. Vertex very acutely pointed, apex curved upwards* 
half longer than between ocelli, vertex evenly- 
mottled. Length of male, 6.5 mm 
floridana , n. sp,. 
CC. Vertex moderately acute, the apex blunt, round- 
ing. No longer than the distance between ocelli*, 
a triangular mark back of apex. Male 5 mm, 
or less gillettei , n. sp* 
BB. Vertex rightangled, shorter than the pronotum. Elytra, 
with numerous fine reticulations reticulata , Sign 
Draeculacephala mollipes Say. PI. VII, Fig. L 
Tettigonia mollipes, Sav. Jour. Acad. Nat. Sc. Phila. VI. , p. 312, 1831. 
Tettigonia inn otata, Walk. Homop. Ill, p. 770,1851. 
Tettigonia antica, Walk. Homop. Ill, p. 771,1851. 
