108 PROCEEDINGS OF THE ACADEMY OF [March, 



blackish and primrose-yellow (cf ) or blackish and raw umber (9). 

 Cephalic and median limbs of the general colors. Caudal limbs 

 broccoli-brown in the male, chocolate-brown in the female, the dorsal 

 surface at about two-fifths the distance from the base provided with 

 a velutinous black spot, internal face blue-black, ventral faces very 

 deep bottle-green; caudal tibiae glaucous, paler in the male, the 

 spines yellowish with the apical half black. 



Afeasurenmits. 



cT" 9 



Length of body 17 mm. 20.4 mm. 



Length of pronotum 3.8 " 4.4 " 



Length of tegmen 3.5 " 4 " 



Length of caudal femur 10.6 " 12 " 



In addition to the male type, we have before us a female allotype, 

 the differential characters of which are included in the above 

 description. 

 Sitalces debilis n. sp. 



Type: 9 ; Rosario, Santa Inez, 1,250 meters, east of the Andes.^ 

 October 31, 1899. [Hebard Collection.] 



Belonging to the section a of the genus as described by Stal, 



Fig. 20.—Sitalces debilis n. sp. Lateral view of type. (X 3.) 



l)ut not closely related to either of the two species there described 

 or the more recently characterized S. nudus Bruner. 



Size rather small; form robust, subfusiform; surface almost 



^The locality for this species is in every probability Rosario, Gualaquiza 

 Valley, basin of the Rio Maranon, Eucador. " 



