76 PROCEEDINGS OF THE ACADEMY OF [March, 



Color Notes.—The species shows a decided amount of variation 

 in both general tonal color and pattern. It has well marked green 

 and brown phases, which are generall}^ clearly distinct, but occa- 

 sionally brownish specimens will show some element of the green 

 phase, such as the green humeral stripe. The male sex is pre- 

 dominatingly brown phase, the green phase being relatively scarce 

 in that sex, hardly one-tenth of the series of males being in the 

 greenish phase. The female sex is predominatingly green phase, 

 about two-thirds of the female specimens examined representing 

 that type. Our environmental data is not sufficient to warrant 

 any statement as to the correlation of the color tones and the 

 environment, as the information in part contradicts what would 

 be the general assumption regarding such correlation. 



The tone of the green base color varies from light chalcedony 

 yellow (in an apparently teneral individual) through light grape 

 yellow and yellowish citrine to courge green on the head, pro- 

 notum, pleura and caudal femora, while the humeral bar on the 

 tegmina is always more nearly approaching one of the shades of 

 malachite green. The Baboquivari individuals have a base color 

 ranging from dull mustard yellow to wax yellow, with more or 

 less distinctly marked malachite green humeral bars on the 

 tegmina. 



The tone of the brown base color varies from light ochraceous- 

 buff through ochraceous-tawny and tawny to cinnamon-brown, 

 in the latter condition often largely overcast with hoary white 

 except at the normal dark bars. 



The lateral postocular bars range in depth from snuff brown 

 (teneral specimen) through kaiser brown and chestnut brown to 

 mummy brown. The postocular bars are almost invariably well 

 marked. A medio-longitudinal bar on the head and pronotum 

 is occasionally (9) or generally (cf) present, again just intimated, 

 very rarely strongly pronounced in the female sex (one only, from 

 Baboquivari Mountains, Arizona) and infrequently indicated only 

 by arcuate lines of color. In numerous specimens the median 

 carina of the pronotum is finely lined with the color of the post- 

 ocular bars, but no median bar will be marked on the head or 

 otherwise on the pronotum. This condition is connected up by 

 numerous specimens with the uniform medio-longitudinal bar 

 pattern. 



The tegmina vary in the degree of contrast between their base 

 color and the humeral bar. This variation, and also the degree 



