( 2t5 ) 



side of midcoxa brown. Legs pubescent like body, the chltin of the tibiae slightly 

 reddish, the tibiae and tarsal segments 1 and 4 at apex, and tarsal segments 

 2 and 3 entirely black. 



33. Xenocerus discrepans Jord. (1895). 



Sonthern Palawan (J. Waterstradt) ; 1 c? and 2 ? ?. 



The third segment of the cj-antenna is long, as in X. Jtagellatus Falirs. 

 (1839). 



34. Xenocerus humeralis Gestro (1876). 



Korido, Gcelvink Bay, Dutch New Guinea, iv. 187.5 (Beccari); 1 i and 1 ?, 

 paratypes. 



35. Xenocerus sambawanus Jord. (1895). 



Aroe Hassa, Sambawa, 2000—5000 ft., ix.-x. (W. Doherty) ; 1 S and 2 ? ? . 

 Tambora, Sambawa (H. Fruhstorfer) ; 3 c? <? and 4 ? ¥ . 



36. Xenocerus puncticoUis Jord. (1894). 

 " Philippines " ; 1 ? . 



37a. Xenocerus equestris umbrinus Jord. (1898). 

 Gani, Halmaheira (W. Doherty); 1 S and 1 ?. 



37b. Xenocerus equestris equestris Pasc. (1860). 



Ureinning, Aroe Islands (C. Ribbe) \ 2 S 6 and 1 ?. 



This insect and A', olieaceiis Motsch. (1874) appear to be geographical forms of 

 the same species. As the name equestrin has priority, it has to be taken as the 

 name for the entire species instead of olivaceus. 



37c. Xenocerus equestris senex subsji. nov. 



c? 9. A subspecie X. e. equestris dicta vitta suturali interrnpta distinguendns. 



Key Islands (Planten) ; 1 S and 1 ?. 



Upperside more grey tliau in A', e. equestris. The three stripes of tlie pronotnm 

 practically alike in width, narrowed froatad. The basal margin of the elytra 

 greyish white; the discal streak one-third the length of the elytra ; the sutural 

 streak narrow at the base, then interrupted for a short distance, the transverse 

 branches somewhat angulate behiiiil and only extending to the eighth interspace ; 

 no lateral line. 



In 6 the base of segment 4 of the antenna and the proximal half of 5 white, 

 lO quite black (in our only example) ; in ? the extreme tip of 7 and the whole of 

 8 white, as are also more or less the bases of 2 to 7, particularly 4 and 5. 



37d. Xenocerus equestris toliensis Jord. (1898). 

 Toli-Toli, North Celebes, November— December 1895 (H. Fruhstorfer) ; 1 ?. 



