LIST OF HOMOPTEROUS INSECTS. 615 



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the base, slender tapering trilateral ridged and slightly curved from 

 thence to the lip which is acute and extends beyond the tip of the ab- 

 domen : abdomen tinged with gray : fore-wings blackish-brown along 

 the borders, almost colourless in the disks, punctured at the base 

 along three-fourths of the fore border : hind-wings almost colourless. 

 Length of the body 4^ Hues ; of the wings 9 lines. 



a. Philippine Islands. From Mr. Cuming's collection. 



^44. Centbotus costalis, Fem. 



Piceus, Jlavo varius ; prothorax Jlavo bimaculatus, apice niger ; 

 caput suhtus^ pectus et abdomen plerumque Jiava ; pedes fulvi ; 

 tarsi basi et apice picei : alee anticce subfulvce, basi et ad costam 

 picece ; alee posticce sublimpidce. 



Head and fore-chest pitchy mingled with yellow, shining : head 

 transverse, slightly impressed, thinly punctured, a little narrower 

 than the fore-chest between the shoulders ; face angular and pro- 

 minent in front ; its hinder part semicircular, about half the length 

 of the hinder part of the head : fore-chest rather shallow, rising 

 vertically above the head, slightly ridged, roughly punctured ; shoul- 

 ders angular, not prominent; horns above them conical, prismatic, 

 diverging, very slightly inclined upwards in accordance with the 

 concavity between them ; their length about equal to the diameter 

 at the base ; upper side and lower side broader than the hinder side ; 

 fore-chest behind them keeled, extending much beyond the tip of 

 the abdomen, impressed and with a large yellow spot on each side, 

 tapering and much attenuated towards the tip which is black and 

 acute: head beneath, breast and abdomen mostly yellow : legs tawny ; 

 feet pitchy at the base and towards the tips : fore-wings slightly 

 tinged with tawny, punctured and pitchy at the base, pitchy along 

 the fore border ; veins black ; one discoidal areolet : hind-wings al- 

 most colourless. Length of the body 4 lines ; of the wings 10 lines. 

 a. Columbia. From Mr. Turner's collection. 



45. Centeotus megaceeos, Fem. 



Niger ; pedes sat longi ; alee antics lurida, basi nigrce, costce basi 

 Jlavo maculatcB. 



Black, shining: head transverse, impressed, slightly punctured, 

 a little narrower than the fore-chest between the shoulders, slightly 

 retuse in front where it is deeply notched on each side: fore-cbest 

 rugulose, rather shallow, slightly inclined backward above the head ; 

 shoulders angular, hardly prominent; horns above them very long, 



