's RIJKS MUSEUM VAN NATUURLIJKE HISTORIE — LEIDEN. 



23 



produced over the base of the proboscis. Ocular tubercle at the front 

 margin, conical from the base. Anterior eyes a little larger than posterior. 

 Proboscis (Fig. B) cylindric, directed obliquely downwards, with 

 conically rounded apex. 



Fig. A. 



Pallenopsis (Rigona) aculeata n. sp. Q. Dorsi- 



lateral view of body. Legs omitted, except first 



coxae of right side. 



Fig. B. 



Pallenopsis (Rigona) aculeata n. sp. Ç. 



without legs. Ventrolateral view. 



Abdomen (Fig. A) long, directed obliquely backwards. 

 Chelifore (Fig. A, B) with undivided scape, showing on a low 

 ridge at the upper side a row of small spiny hairs. 



Palp (Fig. C) an oval papilla between the bases of chelifore and oviger. 



Fig. C. 



Pallenopsis (Rigona) aculeata 



n. sp. Q. Palp. 



Fig. D. 



Pallenopsis (Rigona) aculeata n. sp Q. 



Left female oviger. 



Oviger (Fig. D) short, curved in the form of an 3? composed of 

 nine joints. The fifth joint is the largest, but nearly equal in length to 

 the fourth ; the sixth is half the length of the fifth. The seventh and 

 eighth joints are coalesced, longish, but thinner. The last two are still 

 smaller and bear stiff setae. 



Legs (Fig. E) short, with conspicuous lateral line. Second coxa 

 nearly thrice the length of the first, which bears dorsally strong conical 

 processes. Third of the length of the first. Femur stout, thick-set, in the 

 centre of the ventral side it has an excrescence, a kind of hunch. The 

 first tibia is shorter and thinner, with its distal end produced dorsally 

 into a conical process, carrying a strong spine ; the second tibia is elon- 



