Species of Oriental Mygalomorphae. 179 



externally and internally witli thick fringes of long silky 

 liair, the femora also, especially the anterior pair, with a 

 strong external fringe ; all the scopula; wide, well-developed, 

 and entire, exce[)t that on the fourth protursus, which is 

 divided and extends over the distal third of the segment, the 

 scopula on the lower surface of the third protarsus covering 

 nearly the whole of the segment. 



(Spinners fractured.) 



Measurements in millimetres. — Length of carapace 20, width 

 18*5 ; length of ))alp 38, of iirst leg 69, of second and fourth 

 about 03, of third 52. 



A single female specimen, ticketed ' East Indies,' possibly 

 from Pinang, since the specimen was taken from a bottle 

 which also contained an Omothymus. 



Family Ornithoctonidae, nov. 



Mandible furnished externally and below with a dense pad 

 (scopula) composed of short feather-like hairs ; the area below 

 this pad smooth, but bearing at the base a small number of 

 large, curved, barbed sette, which spring from the scopula 

 above. The adjacent surface uf the maxilla sparsely setose, 

 but armed above and below the suture with tuberculifonn 

 spines. Pads on the tarsi large and entire. Tibiai and pro- 

 tarsi of legs apically spined. 



Synopsis of Genera. 



a. Legs of the fourth pair measured from base of 



femur loujrer than those of the first and no- 

 ticeably stouter ; their tibiie thicker than their 

 femora, and, like the protarsi, spinulose .... Cit}tanj<jnaf.hu.f, uov. 



b. Legs of the fourth pair not longer than those 



of the tirst, and thinner; tlieir tibiie much 



naiTower than their leniora. 



«'. Legs short and robnst ; width of anterior 



and posterior tibi:e more than a tliiid of 



their length ; ocular tubercle small; clypeus 



wide Ornithortonus, Poo. 



i'. Legs longer and thinner; width of anterior 

 and posterior tibifo less than a tliird of 

 their length, 

 a*. Carapace high; ocular tubercle small, 

 high, u»it much wider than long; cly- 

 peus longish AlelofccHs, uov. 



i^. Carapace lower; ocular tubercle low, very 

 wide, nearly twice as wide as long ; 

 clypeus .-hort. 

 n''. .Sternum oval, as wide between the 

 first coxae as between the third (tarsal 

 pads wider, protar^al pads shorter, pro- 

 tarsi slenderer) Omoihi/mus, Thor. 



6'. Sternum narrowed in front, much wider 

 between the third than between the 

 Iirst co.xse Phonninyuchilus, uov. 



