164 



APPENDIX. — HYDBOMETEIDjE. 



eyes, which are I'ounded, not inwardly emarginate but somewhat 

 truncate, scarcely projecting over the anterior angles of the 

 pronotum ; antennae moderately robust, first joint longest, longer 

 than head, moderately curved, second, third, and fourth joints 

 al ost subsequal in length ; rostrum reaching the anterior coxae ; 

 pronotum short and transverse, considerably shorter than head, the 

 an erior margin truncate, the posterior margin moderately convex ; 

 m sonotum more than twice as long as pronotum, nearly twice as 

 broad at base as long, the lateral margins convexly rounded and 

 narrowing towards pronotum ; abdomen in female about as long 

 as pro- and mesonota together, in male a little longer ; anterior 

 femora a little longer than the tibiae, the tarsi robust and only a 

 little shoi'ter than tht> tibia^, intermediate legs much longer than 

 the posterior legs, the femora almost subequal in length and 

 shorter than the body, the intermediate tibiae longer than the 

 femora and much lonirer than the posterior tibiae. 

 All the specimens which I have seen are apterous. 



2935. Naboandelus signatus, Dist. A. M. N. H. (8) v, p. 152 (1910). 



Black ; thickly, shortly pilose; head with the anterior and inner 

 margins greyish, the inner ocular margins connected at basal 

 margin, ochraceous; pronotum with a lai'ge central ochraceous 

 spot; lateral margins of mesonotum greyish: body beneath 



Fig. 89. — Naboandelus signatus. 



bluish ; rostrum (excluding apex), an elongate spot at posterior 

 acetabula, and the anal segment and appendage ochraceous ; legs 

 and apex of rostrum black, more than basal halves of femora 



