A NEW TERMITOPHILOUS COLEOPTERA. 487 



spines ; tarsus 4-jointed ; the ist joint longer than the 2nd or the 3rd, 

 but shorter than the 4th which is equal in length to the 2nd and 3rd 

 combined. The third leg exceeds the end of abdomen when stretched 

 out posteriorly (fig. 14). 



Sexual organs. — All the three specimens on hand are of the same 

 appearance and structure. They are probably all males, as one of 

 them proved to be on examination after laying out into sections. The 

 internal male organ consists of testes, seminal ducts, seminal vesicles, 

 accessory glands and ejaculatory duct. Of these parts, the seminal 

 vesicles are the most conspicuous, being very voluminous convoluted 

 tubes, occupying the greater part of the interior of abdomen. They are 

 filled with filiform spermatozoa. 



Measurements. — One of the specimens gave following measurements : 



Length of body 8.0 m.m. 



Length of head 1.1 „ 



Breadth of head 1.03 „ 



Length of antenna 3.0 ,, 



Length of labrum 0.37 „ 



Breadth of labrum 0.57 „ 



Length of pronotum 1.6 „ 



Breadth of pronotum 1.6 ,, 



Length of elytra 5.5 ,, 



Breadth of elytra 2.5 



The two other specimens measured respectively 8 mm and 7.5 mm 

 in body length. 



Remarks. — In external characters, the present species agrees close- 

 ly with the figure given by Wasmann (I.e.) of Ziaelas insolitus, but 

 may be distinguished from this by the more fully rounded shape of 

 the hind end of elytra, instead of this part being marked off from the 

 more anterior parts by gentle constriction at sides. The 4th costa of 

 elytron is shorter than any of the rest, but not so prominent as in 

 the genus Azarelins Fairmaire. 



