chamberlin: the arachnida. 187 



together. Dorsal area of carapace between first and fourth trans- 

 verse sulci with scattered small granules. 



The three anterior tergites of abdomen each with a transverse row of 

 well-separated conical tubercles which decrease in size from the middle 

 ones laterad. Anal tergite caudally rounded, with two rounded ele- 

 vations near base. 



First two pairs of coxae curving a little forwards, the third straight 

 throughout its length; second coxae a little longer than the third; 

 first coxae with the usual row of setigerous tubercles which are very 

 small; the second and third coxae smooth or nearly so. Fourth 

 coxae greatly enlarged in the usual way; ending distally on the ecto- 

 dorsal side in a large curved process which is unbranched, and on 

 opposite side in a shorter one which presents a low rounded process 

 on ectal side below tip. Coxae all with numerous small granules 

 each bearing a hair. Spiracles distinctly exposed. 



First joint of mandibles immediately distad of its constriction with 

 an abruptly elevated rounded hump. Second joint with a few hairs 

 in front toward distal end. 



Trochanter of pedipalp with a rounded hump above and a single 

 setigerous conical tubercle below. Femur subcylindrical ; along ven- 

 tral median line between base and middle three large conical tubercles. 

 Patella unarmed. Tibia along meso ventral line with two spinous pro- 

 cesses of which the anterior is much more slender and along the ecto- 

 ventral line with two spinous processes of which the anterior is the 

 larger, and in front of the latter a third much smaller spine. Tarsus 

 along ectoventral line with five spines of which the first from caudal 

 end and the third and fourth are larger; three spines in meso ventral 

 line; claw large, as long or somewhat longer than the article (Plate 4, 

 fig. 2). 



Femora of first three pairs of legs granulotubercular \entrally, the 

 tubercles of the third pair largest; tibiae of these legs also tubercular, 

 the tubercles small, those of the ventral surface and especially those 

 of the third pair largest; metatarsi more obscurely granular. Tro- 

 chanter of leg IV granular; on inner side with a rounded process and 

 on outer side with a much longer acuminate process which curves 

 back caudad above base ; femur tubercular and distad with a number 

 of larger processes of which two much exceeding the others in size 

 arise from the ventral surface toward the distal end and distally 

 curve mesad; patella uniformly seriately tubercular; tibia with 

 numerous tubercles which are larger, subconical, on ventral surface; 

 metatarsus over proximal half with numerous tubercles, the distal, 



