78 PROCEEDINGS OF THE ACADEMY OF [Jan., 



the apex somewhat truncate; costal region very broadly arcuate; 

 median protuberance longitudinal, low and rounded. Wings equal 

 to the abdomen in length; when in repose the tips are distinctly acumi- 

 nate. Abdomen with the seventh, eighth and ninth dorsal segments 

 subequal in length, the latter subtectate and distinctly" acuminate; 

 subgenital opercule acuminate, reaching to the middle of the ninth dor- 

 sal segment. Anterior femora slightly compressed, almost equal to 

 the head, pronotiun and mesonotum in length; tibiae slightly shorter 

 than the femora. Median femora equal to the mesonotum and half 

 of the pronotum in length; tibia3 about five-sixths the length of the 

 femora; metatarsi but slightly shorter than the remaining tarsal joints. 

 Posterior femora about as long as the head, pronotmii and mesonotum; 

 tibiae equal to the femora. 



General color pea-green, dark dull in the female. Antennae greenish- 

 brown, with the base of each joint encircled by a narrow whitish annu- 

 lus, this latter character more apparent in the male than in the female. 

 Pronotum in the male flecked with small circular blotches of cream. 

 Tegmina and costal region of wings pea-green, in the female the tips 

 of the latter touched with rosy red ; posterior field of the wdngs pale 

 pinkish. Apex of the abdomen and portions of the limbs in the female 

 washed with rosy red. 



Measurements. 



liength of body, 57 mm. 73 mm. 



Length of pronotum, 3 '" 4 " 



Length of mesonotum. 10.5 " 12.5 '" 



Length of abdomen, 35 *' 44 " 



Length of tegmina, 3.5 " 5.5 " 



Length of wings, .30 '' 44.5 " 



Length of anterior femora 19.2 " 19 '' 



Length of anterior tibia?, . 18.2 " 18.5 " 



Length of median femora, -.13 '' 15 " 



Length of posterior femora, 18 '' 19.5 "' 



Genus ARUANOIDEA Brunner. 



1893. Arunnoidea Brunner, Ann. Mus. Civ. Stor. Xat. Genova, XXXIII, 

 p. 84. 



Included salmancizar, oruana and osmylus of Westwood, of which 

 aruana may be considered the type. 



Aruanoidea aruana (Westwood).| 



1859. Necroscia Aruana Westwood, Cat. Orth. Ins. Brit. Mus., I, p. 134, 

 PI. XXXIX, fig. 4. [Aru Islands.] 



Fifteen specimens; eleven males, four females; Island of Obi, "Mo- 

 luccas. [Coll. of j\Ir. ^lorgan Hebard and A. N. S. Phila., presented 

 ty Mr. Hebard.] 



