366 



sternal surfaces and head brown and the legs black, except the coxa, troch- 

 anter and the distal third of the femur which are flavous. As regards 

 the keels of the tergites subnigrum approaches nigricorne in that only 

 the hinder half is flavous and they are but little produced ; but in the 

 form of the dorsal sulci it approaches subflavum. 



From both it may further be recognised by the form of the copu- 

 latory feet. These appendages are longer, less curved, being curved 

 only in the proximal fourth of their length , less dilated distally and 

 with shorter terminal processes. Moreover, the external sheath-like 

 process bears two smaller processes, a distal and a median, along its 

 external border. And lastly the lamina on the fifth sternum is longer 

 than in the two preceding. 



Length 30 mm. 



62. Strongylosoma flavicoxis, sp. n. PI. XXII, fig. 8. 



Sumatra: Paningahan. A single male specimen. 



Belonging to the same category as the preceding three species. 



Colour of somites black above and at the sides, reddish brown on 

 the sternal areas and just above the base of the legs. In the legs the 

 coxa, trochanter and femur are wholly or almost wholly flavous; 

 head and antennae black. 



The keels are smaller than in any of the preceding, only projecting 

 slightly beyond the hinder border of the dorsal surfaces in the 17 th , 

 18 th a 19 th somites. The inferior crest is represented by a posterior 

 tubercle as far as the 7 th somite. The dorsal sulcus very weak on 

 all the somites, invisible on the 18 th , very faint on the 17 th , also 

 very faint on the 5 th , 6 th and 7 th . 



Copulatory foot very like that of nigricorne but rather less curved 

 and bearing an inner, short slender process at the base of the inter- 

 nal terminal flagellum. 



Length 33 mm. 



63. Strongylosoma coarctation, (Saussure). 



Specimens of this ubiquitous species were obtained from Manindjau , 

 Singkarah, Padang and Fort de Kock in Sumatra ; Makassar ; the Island 

 of Saleyer; Bari and Reo in Flores. 





