FROM THE INDIAN ABCHIJPELAGO, 127- 



Female. Tawny. Front and legs mottled with black. Fore wings with 

 a few small blackish marks near the two protuberances. Hind wings 

 blackish. Length of the body 3 lines, of the wings 6^ lines. 



Hab. Sula. 



114. Hysteropterum informe. Mas. Fulvum, fronte subrugulosa 

 bicarinata, facie non carinata, apicem versus carinata, prothorace ca- 

 rina transversa, mesothorace tricarinato, coxis testaceis, alis anticis 

 litura nigricante, alis posticis fuscescentibus. 



Male. Tawny, much like the preceding species in structure. Head 

 with slightly prominent borders ; vertex about four times as broad 

 as long ; front not broader than long, slightly rugulose, with 

 two keels, which almost form a ringlet ; face testaceous towards the 

 tip, not keeled. Prothorax with a semicircular transverse keel. Me- 

 sothorax with three slight keels. Coxse testaceous. Fore wings 

 in structure like those of the preceding s|)ecics, witii a blackish mark 

 in the disk. Hind wings brownish. Length of the body 2 lines, 

 of the wings 6 lines. 



Hab. Gilolo. 



Section 3. 



Focm. Corpus robustum. Caput compressum, lateribus carinatis ; frons 

 longa, quinquecarinata, apud verticem cornuta ; facies non carinata. 

 Oculi magni. Antennae breves, cylindrical. Prothorax arcuatus. 

 Mesothorax parvus. Pedes robusti, sulcati. Alae latae, subhyalinse. 

 Alae anticae apice rotundatse, venis paucis. 



Female. Body stout. Head compressed, with very prominent borders ; 

 vertex about twice as long as broad ; front long, much widened, 

 and with rounded sides towards the face, with five keels, which are 

 united and form an oblique horn near the vertex ; face not keeled. 

 Eyes large, very prominent. Antenna; short, cylindrical. Prothorax 

 arched, much attenuated on each side. Mesothorax small, somewhat 

 triangular. Legs stout; femora and tibiae furrowed. Wings broad, 

 slightly hyaline. Fore wings rounded at the tips ; longitudinal and 

 transverse veins few, irregular; costal transverse veins and a sub- 

 marginal line of veins regular. Hind wings with one irregular line 

 of transverse veins. 



115. Hysteropterum minax. Foem. Nigrum, capite pectoreque 

 flavo notatis, abdomine piceo atomis apiceque flavis, pedibus spinu- 

 losis flavo conspersis; alis anticis fulvis flavo conspersis, Hnea media 

 undulata guttisque marginalibus nigris, venis rufescentibus ; alis pos- 

 ticis nigricanti-cinereis. 



Female. Black. Head, thorax, and pectus with various yellow marks. 

 Abdomen piceous, speckled with yellow, wholly yellow at the tip be- 

 neath. Legs minutely spinulose, speckled with yellow. Fore wings 



