371 



T('f/('(>cr((inis l(/n/e//(ifi(s Hanks. 



1906. Cepheuf: lamdhtm, Banks, Proc. Acad. Xat. Sci. Phila., lOOii, p. 4i)7. 



Very dark hrown, almost black; internment strengthened 

 with an irregular network of chitinons ridges. 



Cephalothorax short, broad. Lamellae very large, each 

 about half as broad as the cephalothorax and extending almost 

 the entire length of the latter; lamelhie united in front by a 

 very short, liroad translaniella. Lamellar hairs stout, curved 

 strongly inward, al)Out two thirds as long as the lamella'; inter- 

 lamellar hairs very short, almost straight, and approximate to 

 the lamelhe. Pseudostigmata cup-shaped, projecting; pseudo- 

 stigmatic organ consisting of a stout, straight pedicel with a 

 small, oblong, pectinate head. 



Abdomen almost as broad as long, semicircularly rounded 

 behind. Dorsum with rather stout shoulder bristles and with 

 several other liristles at the posterior end. (ienital covers 

 slightly smaller than tiie anal covers, and situated about half 

 their length from the latter; anal covers situated their lengtli 

 from the posterior margin of the abdomen. 



Anterior pair of legs three fourths as long as the abdomen. 

 Tarsus of leg I one and a half times as long as the tiltia. Tarsal 

 claws stout, sharp, and strongly curved. Legs sparsely clothed 

 with long straight liristles. 



Length, 0.7(5 mm.; breadth, 0.66 mm. 



In moss. Collected by the writer at Areola, 111. One 

 specimen. 



(ienus Dam.eus (A L. K'ocli. 



Mandibles chelate; legs slender, much longer than the 

 l)ody, I and II approximate, as also III and IV; legs IV crawl- 

 ing organs; lamelhe absent; cephalothorax and alxlomen 

 clearly denuircated from each other. 



Two species; 



Pseudostigmatic organ simple, not pectinate siifflcnts. 



Pseudostigmatic organ pectinate iiitcns. 



