lilr. M. Burr — Xotes on the Forficularia. 251 



'Tulle of Ge?iera. 



1. Abdomen J a basi usque ad apicem fortiter 

 dilatatum; segmentum ultimum dorsale 

 tvpicura, a pygidio verticali angulo fere 



acuto separatum 1. Esi)halmenus, nov. 



].l. Abdomen J 9 subparallelum, medio subdila- 

 tatum ; segmentum ultimum dorsale J de- 

 pres3ura, declive, in pygidium depre^sura 

 horizontaliter trausiens 2. Gonolabina, Verb. 



I. Es^PHALMENUS, gen. nov. 



Anisolabis, Bormans, Ann. S(jc. Ent. Belg. xxvii. ii. p. 62 (1883) ; id. 



Tierreich, Forf. p. ol (lUOOj; id. Ann. .Mas. Civ. Gen. ii. p. 451 



(1900). 

 Gonolahix, Burr, Ann. .Soc. Ent. Relg. xliv. p. 48 (1900) ; Verhoeff, SB. 



Ges. naturf. Fr. p. 7 (1001) ; Kirby, Borelli. 



Antennae mtilto-segmentatse ; corpus apterum ; pronotum quadra- 

 tum : abdomen S depressura, basi angustum, usque ad apicem 

 fortiter dilatatum ; $ subparallelum ; segmentum ultimum 

 dorsale c? latum, transversum, $ angustum ; margine postico 

 recto, iutogro, abrupte at angulatim pygidio verticali separatum : 

 forcipis bracchia J valida, basi valde remota, fortiter arcuata ; 

 5 recta, simplicia. 



Entirely apterous. 



Antennpe with Kuuieroiis (? 30) segments, cylinrlrical ; third 

 long; fourth, fifth, and sixth much shorter, the remainder 

 gradually lengthening. 



Head smooth.. Pronotum rectangfular. 



Abdomen (J depressed, narrow at the base, then strongly 

 dilated towards the apex, which is several times wider than 

 the base ; in ? parallel and less depressed. 



Last dorsal segment very broad, posterior margin straiglit ; 

 in ? narrow and sloping. 



Pygidium S vertical, fused with dorsal segment, but the 

 junction maiked by a sharp angle, almost acute, as in all 

 typical Labiduridse : pygidium $ narrow. 



Forceps with the branches cf stout, very remote at the 

 base, triquetre, tapering and strungly arcuate. In ? straight, 

 tapering, and subcontiguous. 



Type of the genus : Forficula lativentris, Philippi, Z. 

 Naturw. xxi. p. 47 (1863). 



Table of Species. 



1. Forcipis bracchia S prope basin superne cris- 



tata : species africana 1. perinrjueyi , Borm. 



1.1. Forceps superne inermis : species Ameiicse 

 meridionalis. . 



