224 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



apart, and two oblong, dark spots in front, and a dark central spot before 

 these. 



One female ; Mt. Orizaba. 



55. Gayenna ignava, sp. nov. 



Plate XIII, Fig. 34. 



Length 5.5 mm. Cephalothorax and mandibles dull yellowish; eyes on 

 black spots; legs and sternum paler; abdomen gray, indistinctly mottled. 

 The cephalothorax is short, considerably narrowed in front; posterior eye- 

 row nearly straight; P. M. E. fully their diameter apart, rather closer to the 

 P. S. E. ; anterior row shorter, eye smaller, nearly equal and close together; 

 mandibles hardly porrect; sternum narrowly oval. Legs moderately long, 

 with long spines; tibia plus patella I shorter than those joints of leg IV. Ab- 

 domen once and two-thirds longer than broad, furrow about halfway between 

 spinnerets and epigynum. The latter shows a cavity longer than broad, nar- 

 rowed behind, and containing two lobes in front. 



One female; no locality. 



56. Gayenna minuta, sp. nov. 



Plate XIII, Fig. 32. 



Length 9 3.6 mm. Cephalothorax pale yellowish, with faint traces of 

 darker stripes, slightly blackened around eye region; eyes on black spots; 

 mandibles black; legs, sternum, and abdomen whitish, the latter rather 

 yellowish on each side above toward the tip. Cephalothorax about as long 

 as tibia plus patella I; P. M. E. once and a half their diameter apart, plainly 

 closer to the equal P. S. E.; anterior eyes smaller; A. M. E. about their 

 diameter apart, rather closer to the larger A. S. E. Legs rather short, with 

 scattered spines; tibia plus patella I about equal to tibia plus patella IV; 

 sternum once and a half longer than broad, tapering in front and behind. 

 Abdomen nearly twice as long as broad, rounded in front, pointed at tip; 

 ventral furrow half way between epigynum and spinnerets. Epigynum shows 

 a dark curved mark each side behind, and in front each side an elliptical hole 

 bordered with dark. 



One female; Tepic, Oct. 



57. Chiracanthium parvulum, sp. nov. 



Plate XIII, Fig. 36. 



Length $ 2.7 mm. Cephalothorax, mandibles, and sternum pale yellow- 

 ish; abdomen and legs whitish. Posterior eye-row procurved; P. M. E. once 

 and a half their diameter apart, rather closer to the slightly smaller P. S. E. ; 



