THE CANADIAN ENTOMOLOGIST. 209 



Ariadne bicolo?-, Hentz. Emerton, New Eng., Drass'., Agal. and 



Dysd., p. 37, pi. VIIL, fig. 3, 1890. 

 " ' '' " Marx Cat. Aranje of temp. N. Am., 1890. 



" pumilis, " " " " " " " " 1890. 



New Engl, N. Y., D. C, La., Ala., Fla., Ohio., Va., Md., Pa., N. C. 



A. pumilis is only the young oi A. bicolor. 

 Segestria pacifica, nov. sp. 



Length, 5.3 mm. ; length of ceph., 2.3 mm. ; length of abd., 3. mm. 

 Breadth of ceph., 1.3 mm.; breadth of abd., 1.5 mm. 

 Length of femur L, 2. mm. ; Length of tibia L, 1.8 mm. 



Color — Cephalothorax brown, darkest near front margin, yellowish 

 towards posterior end; mandibles, reddish brown ; maxilk«, yellowish; 

 lip and sternum, brownish ; palpi whitish, with dark ring at base of tibia; ; 

 legs whitish, with brown rings at tip of femora, on patellae, and near base 

 and tip of tibi?e and metatarsi, first pair darkest ; abdomen nearly white, 

 with scattered reddish-brown spots, which form a large patch on the 

 middle of the dorsum and a itv^ smaller patches behind it ; on the venter 

 a broad median stripe reaches from the lung-slits to and around the 

 spinnerets, which are. yellowish. 



Cephalothorax wide in front, but little wider in middle, rounded 

 behind, head low, eyes six, S. E. touching, the A. S. E. not quite their 

 diameter from the front margin, M. E. larger than S. E., touching, about 

 their diameter from the front margin. Mandibles large, slanting, much 

 thicker than anterior femora ; maxillaa long ; lip long and truncate at lip ; 

 sternum narrow in front, widest behind the middle ; legs 1-4-3, 2nd pair 

 lost ; first pair of legs largest ; abdomen nearly cclindrical, spinnerets 

 short. 



One specimen from Washington State [T. Kincaid]. 



