NO. l6.] ORTHOPTERA OF CONNECTICUT. 87 



2. Median carina cut by only one sulcus 3 



Median carina cut by two sulci, the front notch often 



less distinct than the posterior 9 



3. Disk of inner wing nearly transparent, not distinctly 



bounded by black border 4 



Disk of inner wing opaque, colored (red, orange, yellow, 

 or black), bounded by black border except when disk 

 is black 6 



4. Pronotum with the disk flat, the dorsal front margin 



truncate. Hind femora with dusky cross-bars on 



outer face 5 



Pronotum with the disk roof-shaped, sides sloping 

 downward, dorsal front margin angulate. Hind 



femora without dusky cross-bars on outer face 



Chortophaga p. 90 



5. Frontal costa of male strongly sulcate the entire length. 



Median carina of pronotum prominent, higher on 

 prozona than on metazona, distinctly cut by the prin- 

 cipal sulcus Encoptolophus p. 91 



Frontal costa of male sulcate only just below the ocellus. 

 Median carina of pronotum low, of equal height 



throughout, faintly cut by principal sulcus 



Camnula p. 92 



6. Body slender, often compressed. Pronotum with the 



lateral carinas extending only to the principal sulcus 



and cut by it 7 



Body, especially of female, robust. Pronotum with the 

 lateral carinae extending in front of the principal 

 sulcus and not cut by it (Fig. 28). Disk of pronotum 

 often with numerous tubercles Hippiscus p. 93 



7. Disk of wing yellow with dark median band 8 



Disk of wing black with pale border (Plate IX, 1) 



Dissosteira p. 96 



8. Size medium; female usually over 30 mm., male over 



26 mm. in length Spharagemon p. 97 



Size smaller, female usually less than 30 mm., male less 

 than 25 mm. in length Scirtetica p. 101 



9. Antennae of male shorter than the hind femora, basal 



joints not strongly flattened. Frontal costa above 

 the ocellus wider than the basal joints of antennae. . 10 



