1887.] E. T. Atkinson — Notes on Indian Rhynchota. 25 



very slightly prominulous beyond the sides of the head : ocelli remote 

 from the eyes : antennse inserted in the middle or almost in the middle 

 between the eyes and the rostrum, the first joint somewhat equal in 

 length to the two following : pronotum about twice as broad as the head, 

 anterior margin gradually rather strongly sinuated behind the entire 

 head ; anterior angles obtuse, distinct, not rounded : feet generally 

 short : sixth ventral segment in ? produced forwards in an acute angle 

 reaching the base of the fifth segment ; forming anteriorly (in ? ) a less 

 produced right or somewhat obtuse angle (Stdl) . 

 Type, P. ruficeps, Dallas. 



3. Onctlaspis ruficeps, Dallas. 



Plataspis ruficeps, Dallas, List Hem. i, 73, (1851) : Walker, Cat. Het. i, p. 110 

 (1867). 



Oncylaspis ruficeps, Stal, En. Hem. v. p. 6 (1876). 



^, ? . Above brassy black, shining, very finely punctured, with the 

 head and the anterior angles of the thorax reddish brown : coriaceous 

 portion of the hemelytra brown : membrane brownish, semitransparent, 

 with dark brown veins. Body beneath reddish brown, shining, finely 

 punctured ; the anal apparatus and the middle of the disc of the abdomen, 

 black : legs, antennse and rostrum reddish brown, the latter rostrum with 

 the tip pitchy (Dallas). Body long 9 — 10 mill. 



Reported from Burma, Tenasserim. 



Genus Poseidon, Vollenhoven. 



Tijdsclir. Ent. Ned. viii, p. 63 (1865). 



Body elliptical, rather broader, a little tumid above, shining : head 

 in the ^, broad, anteriorly with three horns which are channeled, the 

 lateral pair curved inwards in the $, the head is broad, semicircular, the 

 juga unite at the tip of the tylus : antennoe inserted below the head, 

 5-jointed ; the first very long, cylindrical, rather broad, the second very 

 small, only one-eighth of the length of the first, the third neither so 

 long nor so stout as the first, slightly clavate, the rest gradually decreas- 

 ing in length and thickness : eyes pyriform, very distant ; ocelli much 

 nearer to each other than to the eyes : rostrum extending beyond the 

 posterior coxse, the second and third joints of equal length : lateral mar- 

 gins of pronotum arched : scutellum scarcely emarginate posteriorly in 

 the d : venter flat, with, in $ , a short longitudinal groove on the first 

 segment : feet rather short and stout (Voll) 

 4 



