56 Mr. R. I. Pocock on new 



Maxillary sternite smooth, sparsely and finely punctured; 

 prosternal plates large, quadrate, each furnished with three 

 conical teeth, of which the internal may be bifid. 



Tergites feebly punctured, from the third bisulcate, from the 

 seventh marginate, lightly wrinkled. 



Sternites scarcely bisulcate, the sulci being very faint, 

 anteriorly and posteriorly abbreviated, and deserving rather 

 to be called impressions than sulci ; marked posteriorly with 

 a median and two fainter lateral circular impressions. 



Anal somite. — Tergite much wider than long, not sulcate, 

 in one specimen with a low median anterior ridge, in the 

 others quite normal ; pleura? very long, reaching to the middle 

 or nearly to the end of the femur, more or less rounded, 

 densely porous, with a widely bifid extremity, a single lateral 

 spine, no superior spines ; sternite with posteriorly converging 

 margins and deeply excised posterior margin ; legs of normal 

 form ; femur usually armed with seven strong spines — 2, 2 

 on the upper inner edge, 1 on the under inner edge, and 2 on 

 the under outer edge, the process very long, sharp, and simple ; 

 claw armed basally with two very minute spurs. 



Legs with the first tarsal segment (sometimes including the 

 twentieth pair) armed with a spur. 



Measurements in millimetres of largest specimen : — Total 

 length 134; width of fourteenth tergite 16, of fourth 11, of 

 first 15, of twenty-first 10*5, of head 11 ; length of anal leg 

 34, of femur 12, of pleura 15. 



Three specimens from India (Mr. Barnes) and two from 

 Ceylon (R. Templeton). 



This species is related to IT. plah/cephalum of Newport, but 

 may be recognized by the very long sharp process and the 

 small number of spines on the anal femur, by the wide space 

 separating the apical spines of the pleurae, by the absence of 

 a superior spine on these organs, &c. 



In one specimen the number of spines on the anal femur 

 falls as low as five, two being wanting on the upper inner 

 edge. 



Heterostoma viridijyes, sp. n. (PI. IV. fig. 2.) 



Body robust posteriorly, slender anteriorly. 



Colour olivaceo- or ochraceo-castaneous, antenna? and distal 

 segments of the legs with olivaceous tint. 



Head-plate small, a little wider than long, punctured. 



Antenna of moderate length, attenuate, composed of twenty 

 segments, whereof the basal four are naked, the rest pubes- 

 cent. 



