793 CATALOGUE OF 



4. Mastax vitbea. 

 Tilrea, Westw. Arc. Ent. pi. 26, f. 2. 

 a, b. Sarawak, Borneo. From Mr. Wallace's collection. 



5. Masjtax guttata. 



guttata, Westw. Arc. Ent. pi. 26, f. 3. 



a — c. Chiua. Presented by G. T. Laye, Esq. 

 rf, e. Hong Kong. Presented by J. C. Bowring, Esq. 

 /. Pulo Penang. Presented by J. C. Bowring, Esq. 

 g. Birmab. From Mrs. Waring's collection. 



6. Mastax ? cycloptera. 



Acridium (Mastax) cyclopterum, Haan, Verz. Gesch. Ned. Ind. Bez. Ins. 

 164, pi. 22, f. 1. 



Buitenzorg. 



7. Mastax? cbenata. 



Acridium (Mastax) crenatum, Haan, Verz. Gesch. Ned. Ind. Bez. Ins. 164, 

 pi. 22, f. 3. 



Borneo. 



8. Mastax mantispoides. 



Mas. Fusca, sublus fulva ; antennce nigrce, basi pallide fiavce ; pro- 

 thoracis Intera fulvescentia ; pedes fulvi, tibiis apice tarsisque nigri- 

 cantibus, femoribiis posticis nigrn bifasciatis, tibiis posiicis nigris 

 albo (rifascialis, tamis posiicis albis ; alee anticce diaphance, apice 

 subfuscescentes. 



Male. Black, tawny beneath. Front long; outer keels diverging 

 gradually from the vertex to the face; inner keels approximate from tlie 

 vertex till near the face, where ihey abruptly diverge. Anteunse black, pale 

 yellow towards the base. Prothorax mostly dull, tawny on each side. 

 Legs tawny; tarsi and lips of tibiae blackish; hiud femora with black tips 

 and with two irregular black bands, which are incomplete on the inner side ; 

 hind tibiae black, with three white bands, of which the middle one is 

 broader and more complete than the others; hind tarsi while. AVings 

 pellucid; veins black. Fore wings with pale brownish tips and with a 

 brown stigma which is limited to one areolet. Length of the body 8 lines ; 

 expansion of the fore wings 18 lines. 



a. China. Presented by G. T. Laye, Esq. 



Genus 26. CHROTOGONUS. 

 Chrotogonus, Serv. Hist. Orth. 702 — Ominextcha, p., Brulle, Blanch. 



