NO. 1284. LIST OF ARIZONA SPIDERS-BANKS. 219 



MARPISSA ALBOPILOSA, new species. 



Cephalothorax l)lack, with a broad area of white hairs, narrowed in 

 front between the anterior middle eyes, where it passes down on the 

 elypeus; a white stripe on the side margins; sternmii and eoxffi red- 

 dish, with long white hair. Abdomen black, above with many white 

 hairs, giving it a mottled gray appearance; venter more gray, with 

 many white'^hairs; legs with black hair above, long white hair beneath 

 and "on outer side, shorter, adpressed, elongate, scale-like hair above 

 and on sides, scattered among the other hairs. Cephalothorax long 

 and fiat, broadest in the middle, tapering each way; abdomen long and 

 slender, depressed; region of epigynum elevated, corneus, and rugose, 

 displaying two large cavities in the anterior portion. Legs short and 

 stout," the anterior pair especially thickened, the spines few and 

 reduced in size; under til)ia I there is but one spine toward tip, two pairs 

 under or rather on the lower sides of metatarsus 1; spines on hind legs 

 few, but more slender; sternum narrow, the anterior coxa^ separated by 

 less than the width of lip. 



Length, 6.5 mm. 



Two specimens from Williams, in July. A very interesting species 

 of a hoary appearance. 



SYNAGELES SCORPIONA Hentz. 

 Synemosyna scorpioiui Hentz, Jouni. Boat. Soc. Nat. Hist., V, 1K47, p. 309. 

 Two specimens from Williams, July 1-4. 



Order PHALANGIDA. 



Family FHALANGID.F:. 



PROTOLOPHUS TUBERCULATUS Banks. 

 Protolophm tahermlalm Banks, Can. Entom., 1893, p. 206. 

 A few specimens from Williams, June. 



LIOBUNUM TOWNSENDl Weed. 

 Liohnnnm toinii^eiuU Wekd, Amer. Nat., 1893, p. 295. 

 Many specimens from Williams, July 17, 18, 21; also Bright Angel, 

 August 10. 



Order SCORPIONIDA. 



Family VEJOVIID.E. 



VEJOVIS BOREUS Girard. 

 Scorpio horeus Girard, Marcy's Kept. Expl. Red River, 1854, p. 2:^8. 

 Several specimens from Williams, May 25, July 9-15; Bright Angel, 

 August, 10; Winslow, July 31, and Prescott, June 20. 



