438 Mr. R. I. Pocock on 



Tt is a male, and differs from the male of P. nigrlpalpis in 

 the characters pointed out in the subjoined tables. 



Synopsis of the Species of Pantopsalis. 



a. Mandibles shorter, basal seo-ment shorter than femur 



of iirst leg and about as long as palpus. 

 fl\ Carapace and ocular tubercle smooth ; anterior 



end of abdomen -with broad transverse red stripe, coronata, sp. n. 

 h^. Carapace studded with spiniform tubercles on its 

 frontal portion ; no red stripe on abdomen. 



«^. Palpi uniformly black Jenningsi, sp. n. 



6^ Palpi uniformly yellow Listeri, Wh. 



b. Mandibles very long, basal segment much longer 



than femur of first leg and about twice the length 

 of the palp. 

 «^. Ocular tubercle and carapace almost smooth 

 (palpus paler than legs, its tarsus yellow in the 



distal half) Trlppi, sp. u. 



b^. Ocular tubercle and frontal area of carapace 

 studded with fine sharp denticles. 



a*. Palpi uniformly blackish nifp-ipalpis, Poc. 



b*. Palpi uniformly yellow albipalpis, Poc. 



If in the future it be discovered that the males of the species 

 of Pantopsalis are dimorphic as to their mandibles, growing 

 them either long and thin or short and thick, the number of 

 species at present referred to the genus will perhaps be 

 reduced to one half by the union of the pairs of species 

 classified together in the following alternative table : — 



a. Ccarapace and ocular tubercle almost entirely without 



spicules. 



«\ Mandibles long Trippi. 



6\ Mandibles short coronata. 



h. Carapace and ocular tubercle studded with spicules, at 



least in front. 

 a^. Palpi yellow. 



a^. Mandibles long and sleuder albipalpis. 



b^. Mandibles short and thick Listeri. 



b^. Palpi uniformly blackish. 



«*. Mandibles long and slender nigripalpis. 



IK Mandibles short and thick Jenningsi. 



Genus Phalangium. 



Phalangium Beitoni, sp. n. 



? . — Colour olive-yellow, with black pigment in the 

 depression on the carapace and black spots laterally on the 

 abdomen ; mandibles yellow, marbled with brown ; palpi 

 yellow, banded with blackish ; legs with femora and tibife 

 distally infuscate and patellte black in front. 



