170 Mr. R. I. Pocock on new Genera and 



base of the segment ; pad on protarsus of 

 third covering' almost the whole of the 



fce'>ment Lyroynathus, nov. 



V^. The fourth leg scarcely stouter than the 

 tirst ; its protarsal pad divided and situa- 

 ted on the distal fourth of the length of 

 the segment ; protarsal pad of third 

 covering about half or two thirds of the 

 segment. 

 «'. Eyes of anterior row straight, the lateral 

 only a little smaller than the median, 

 the posterior lateral of largish size ; 

 fovea small, narrower than ocular 

 tubercle ; labium narrower, only a 



little wider, than the ocular tubercle. . Coremiocneinis, Sim. 

 b*. Eyes of the front row recurved, the 

 lateral a little behind the median and 

 only about half their size ; the poste- 

 rior lateral eyes also minute ; ocular 

 tubercle high, not wide, narrower than 

 the fovea, which is very' deep and 

 strong ; labium very large, nearly twice 



as wide as the ocular tubercle Selenotypus, nov. 



i'. Legs of the fourth pair shorter and thinner 

 than those of the first, and normally hairy, 

 a\ Fads on the legs narrower, those on the 

 third protarsus covering only half the 

 segment ; pad on tarsus of fourth wholly 

 or partially divided by setfe ; mandible 

 without an external scopula, but with 

 many spiniform setse below ; keys on tlie 

 coxa of palp numerous; fovea on the 



carapace shallow and crescentic Selenocosmia, Auss., 



and Phlogius, Sim. 

 i*. Pads and hairs on the legs developed 

 almost as in Poscilotheria ; protarsus of 

 third leg scopulate to the base ; pad of 

 the fomlh tarsus entire ; mandible with 

 external scopula and only a few spiniform 

 setfe ; keys composed of a single series of 

 rods ; fovea deep and straight trans- 

 versely Pxabnopoem, nor. 



V. The outer surface of the mandible furnished 

 below and behind with a cluster of granules 

 or short spines, which increase in length to- 

 wards the lower edge, which bears, in addition, 

 a few longer spines ; the " keys '" on the coxa 

 of the palp composed of a single series of rods, 

 between which and the suture there lies a 

 thick fringe of long hairs. 

 a'. Pads on the feet very wide ; the tarsal pad 

 of the fourth undivided ; fovea small, trans- 

 versely linear ; with one or more tubercles 

 amongst the keys on the coxa of palp .... Poecilothena, Sim. 

 i*. Pads on the feet narrower ; the tarsal pad of 

 the fourth wholly or parti.ally divided by 



d 



