NOKTM AMICRICAN PH ALANGIID.>:. 



265 



Dorsum reiiiarkahly smootli, mottled with gniy and blackish hiowii ; a wide, 

 dark brown or black central marking commences on the ceplialic margin and 



runs to the middle of the fifth abdomi- 

 nal segment, where it abruptly termi- 

 nates; it is expanded on the cepbalo- 

 thorax, contracted on the first abdom- 

 inal segment, and then again expanded. 

 The e.itire abdomen caudad of the mid- 

 dle of the fifth segment usually much 

 lighter than the part cephalad. There 

 is a peculiar oblique sinus caudad of 

 each lateral pore. Eye eminence 

 brow-nish, perfectly smooth, not at all 

 canaliculate, almost hemispherical. 

 Mandibles whitish, with the usual 

 black tips to the claws; second article 

 with sparse blackish hairs on dor.sal 

 surface. Palpi rather slender, mot- 

 tled, distally whitish ; furnished with 



F\^. i.—LMunumventricosum. Immature: short blackish hairs. Patella with its 

 a, body; /;, eye eminence, side view; c, same, inner distal lateral angle prolonged 



front view; a?, palpus; ^, palpal claw: all mae- ;. *„ „ i t i • , i . 



• j, , ■ ' f' i" , , i> i"^ ^. dw, dii ludg ,„jQ ^ short apophysis, and having a 



rather thin brush of hairs on its inner 



lateral surface. Tarsal claw denticulate. Ventrum, including coxte, grayish 



brown, cephalic portion with short dark hairs. Trochanters brownisli black. 



Legs light brown, ringed with dark brown ; furnished with very minute blackish 



spines. 



Liobiiniiin loiijs^ipes Weed. PI. XIV, fig. 1. 



Liohnnum lougipes Weed, Amer. Nat., September, 1890. 



J/rt/e.— Body 3.8 mm. long, 3 mm. wide ; palpi 3.3 mm. long. Legs: first, 39 

 mm. ; second, 74 mm. ; third, 39 mm. ; fourth, 54 mm. Dorsum minutely tuber- 

 culate, reddish brown, with a slightly darker, sub-obsolete, central marking, 

 sometimes simply represented by obscure, brown blotches. Eye eminence at 

 least as broad as high, black above, canaliculate, with rows of small, black tu- 

 bercles on the carinse. Mandibles light yellowish brown, tips of claws black; 

 second joint with sparse hairs. Palpi slender, light brown, distal portion of 

 femur and'almost all of patella usually a little darker, sometimes almost black ; 

 femur, patella and tibia with small scattered tubercles and short hairs; tarsus 

 pubescent, with a row of small, black tubercles on its inner ventro-lateral sur- 

 face. Ventrum, including coxie, paler than dorsum, of a nearly uniform, light 

 brown tint; coxa; tuberculate, tips white; trochanters black. Legs verv long, 

 slender, black or brownish black ; generally though not always with apical tenth 

 of tibiaj of second pair white: shaft of genital organ flattened, contracted near its 

 distal extremity and bent upward, terminating in an acute point. 



Female.— This sex has a larger body and shorter legs than the male, from which 

 it also difl'ers in having the dorsum slightly smoother, with more or less dark 

 markings, and the central marking more distinct. The legs, excejjt the trociian- 

 ters and the palpi, are brownish. 



TKANS. AM. KNT. HOC. XIX. 



(34) 



NOVKMBKK, 1892. 



