AKT. 13. NEW AMERICAN AND CHINESE SPIDERS CHAMBERLIN. 19 



The epigynum is large, strongly chitinized, and of dark color 

 throughout ; the scape is narrowed caudad and presents at distal end 

 a somewhat narrower and much thinner process, which bends up 

 dorsocaudad and is rounded at end. 



Length, 12 mm. ; cephalothorax, 5 mm. ; abdomen, 8 mm. ; greatest 

 width of abdomen, 6.4 mm.; tibia and patella I, 7 mm.; tibia and 

 patella IV, 4 mm. 



Locality. — China: Soochow (N. Gist Gee). Two females. 



Type.— C?it. No. 877, U.S.N.M. 



Mr. Gee's note on this species states that it constructs a large web 

 on low bushes. " Spider stays in web but has a nest in leaves." 



ARANEA FRATRELLA, new species. 



Carapace brown, clothed with gray hair. Legs a little paler, not 

 annulate. Sterniun light brown. Abdomen darkened on anterior 

 and lateral faces ; a dorsal foliate mark on caudal part. 



The pars cephalica is unusually high behind, its sides very steep ; 

 dorsal surface broad and complanate, slanting forward. Area of 

 median eyes quadrate, as wide behind as in front. Posterior median 

 eyes obviously larger than the anterior medians. 



Abdomen characterized by having an angular median hump that 

 projects forward over carapa to caudal end of pars cephalica; an- 

 terolateral corners rounded; subtriangularly narrowed caudad, pro- 

 jecting far beyond spinnerets, which are near middle of ventral 

 surface. 



Lengthy 3.2 mm. 



Locality. — China: Kuliang (X. Gist Gee). 2.500 feet. One not 

 fully mature female. 



Type.—C2it. No. 878 U.S.N.M. 



ARANEA PIA, new species. 



Plate 5, fig. 36. 



Female. — This large and robust species is, in general, of dark and 

 somber appearance, with markings inconspicuous. Carapace chest- 

 nut to mahogany colored, blackish along lower part of sides but 

 with a pale marginal line. Sternum chestnut, blackish toward each 

 side. Legs chestnut, annulate with black. Labium and endites 

 black, pale across tips. Chelicerae black. Abdomen, in general, 

 brown, paler beneath than above. Dorsum with a paler, triangular 

 median mark extending forward from level of humps, and behind 

 these with a foliate mark defined on each side by a strongly wavy 

 black line, the foliate area a darker brown than that of the adjacent 

 parts. Venter with a longitudinal black stripe on each side between 

 lung-book and spinnerets, each stnpe interrupted at middle or 

 behind it by a light brown or yellowish spot. 



