792 CATALOGUE OF 



4. MASTAX TIT-SEA. 

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

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



5. MASTAX GUTTATA. 

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



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

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

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

 g. Birmah. 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? CRENATA. 



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

 pi. 22, f. 3. 



Borneo. 



8. MASTAX MANTISPOIDES. 



Mas. Fusca, subtus fulva ; antenna nigrce, basi pallide flava ; pro- 

 thoracis latera fulvescentia ; pedes futvi, tibiis apice tarsisque nigri- 

 cantibus, femoribus poslicis nigro bifasciatis, tibiis posticis nigris 

 albo trifasciatis, tarsis posticis albis ; alee anticce diaphana, apice 

 subfuscencentes. 



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

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

 vertex till near the face, where they abruptly diverge. Antenna black, pale 

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

 Legs tawny; tarsi and tips of tibia? blackish; hind 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 white. Wings 

 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 Oinmexecha, p., Brulle, Blanch. 



