490 Mr. M. Burr — Notes on the Forficularia. 



abdomen valde depressum, latum, rufum, lateribus infuscatis, 

 laBve, plicis lateralibus distinctis ; eegmentum ultimum dorsale J 

 magnum, subquadratum, laeve, latius quam longius, margiue 

 postico medio impresso, utrinque tubcrculato ; angulis in tuber- 

 culum parvum productia ; $ marginc postico aiigustius, 

 tuberculis obsoletis : pygidium cJ breve, transversum, marginc 

 postico exciso, angulis in puncta acuta productis ; $ brevissimum, 

 subglobosum, margiue postico leviter emarginato : forcipis bracchia 

 (S valida, deplanata, lata, rufa, margiue interno dente forti 

 bifido armata, dehinc crenulata, sensim attenuata, apice incurva ; 

 2 subcontigua, deplanata, subrecta, margine iuterno creuulata, 

 sensim incurva, apice decussata. J $ . 



cS. 2- 



Long, corporis 14-5 mm, l;i-5 mm. 



„ forcipis 2-5 „ 3 „ 



Patria. Java {I S , ^ ? . ex coll. Gadeau de Kervillc). 



Approaches M. W'eissi, Burr, from Tonkin, but larger and 

 stouter ; the coloration is different, and the forceps aie shorter 

 and stouter and more strongly toothed. 



1 have much pleasure in dedicating this species to my 

 fiiend M. Gadeau de Kerville, who, with great generosity, has 

 placed his entire collection at my disposal. 



Ancistrogaster KervUlei, sp. n. 



Niger, nitidus, glaber : antennae nigrge, ll-segmentatae ; segmentis 

 elongatis, cylindricis ; segmentis 3 et 4 subaequantibus, 5 

 sublongiori : caput tumidum, nigrum, margine postico recto : 

 pronotum nigrum, lateribus anguste tcstaceum, caput latitudine 

 sequauti, latius quam longius, margine antico truncato, postico 

 subconvexo; lateribus rectis ; vix tumidum, deplanatum, sutura 

 mediana subobsoleta : elytra brevia, latiora quam longiora ; 

 carina humerali distincta, iu medio elytri evanescenti ; trapezoi- 

 dalia, margine interno quam externo breviori ; margine postico 

 oblique truncato : alae nulla? : i)edes typicae, longi ; tibiae superne 

 integres ; tarsorum segmentum piimum cetera unita longitudine 

 sequans: abdomen basi angustum, medio valde dilatatum, apice 

 angustatum, depressum, nigrum ; segmentis 2 et 3 plicis 

 distinctis ; J medio valde dilatatum, segmentis 2-6 lateribus in 

 iuberculum reflexum acuminatum recurvis ; segmentis 2 penulti- 

 mis angustioribus, inermibus ; segmentum ultimum dorsale S 

 Igeve, transversum, medio puncto impresso, margine postico 

 incrassato, tuberculis 2 obtusis paullo elevatis iustructum ; 

 angulis exterioribus posticis acutis : abdomen $ minus dilatatum, 

 segmentis lateribus baud refiexis ; segmentum ultimum dorsale 

 $ valde angustatum, subinerme: pygidium cj brevissimum, eonicum; 



2 brevissimum, eonicum : segmentum penultimum veutrale J $ 

 rotundatum; segmentum ultimum vontraled margine postico medio 



