536 PROCEEDINGS OF THE ACADEMY OF [June, 



notum as in the male but broader, more inflated and subtectate. Pro- 

 sternal spine very short, thick and blunt; interspace between the meso- 

 sternal lobes slightly longitudinal; metasternal lobes subattingent. 

 Posterior femora with ten or eleven spines on the external margin. 

 Ovipositor valves exserted. 



General color olive-green above, beneath dull yellowish. Head with 

 a line along the superior border of the eye and a postocular streak 

 greenish-yellow; eyes umber in the male, chestnut in the female; 

 antennae brownish with the basal portion dull yellow. Pronotum 

 with the postocular streak continued along the lateral margins of the 

 disk, rather broken in the female ; lateral lobes in the male bearing on 

 the inferior half a broken bar of dull yellow. Tegmina dull vinaceous. 

 Abdomen with the median portion of the dorsal surface bearing a 

 series of triangular patches of dull brownish. Limbs (except the 

 posterior tibiae) oil-green, more or less infuscate ; genicular region of the 

 posterior femora outlined with blackish; posterior tibiae basally ver- 

 diter-blue, apical portion and tarsi scarlet-vermilion. 



Measurements. ^ 



Length of body, 17.5 mm. 



Length of pronotum, 4.3 '^ 



Greatest width of pronotum 3.9 " 



Length of tegmina, 2.8 '' 



Greatest width of tegmina 1.5 '' 



Length of posterior femora 10.5 '' 



Three specimens (one male, two females) from the type locality have 

 been examined in addition to the types. Considerable variation exists 

 in the intensity of the coloration, the two paratypic females being uni- 

 form wood-brown with the femora conspicuously fasciate internally 

 with blackish. 



Genus AIDEMONA. Scudder.i« 



1897. Aidemona Scudder, Proc. Amer. Acad. Arts and Sciences, XXXII, 

 pp. 198, 204. 



Type. — A. azteca (Saussure). 



Aidemona azteca (Saussure). 



1861. PIlatyphTjma] aztecum Saussure, Revue et Magasin de Zoologie, 2e 

 s6r., XIII, p. 161. [Temperate Mexico.] 



Guadalajara, Jalisco. July 17, August 23 and 29, 1903. (McClen- 

 don.) One male, tw^o females. 



Zapotlanejo, Jalisco. July 31, 1903. (McClendon.) Two males. 



'"This name is not available from Brunner, Ann. Mus. Civ. Stor. Nat. 

 Genova, XXXIII, p. 145. 



