36 Wisconsin Academy of Sciences, Arts and Letters. 



DENDRYPHANTES CAPITATUS Hentz. 

 Plate I, figures 25, 25a. Plate III, figure 25a. 



Syn,: 1844. Attus capitatus H., Journal Bost. Soc. Nat. Hist., Vol. IV. 

 1845. Attus parvus (?) id., ibid, Vol. V. 

 1875. Attus parri<.s (?) id., Coll. Arachn. Writ, by N. M. Hentz. 



Ed. by Burgess, Boston, p. 62. 

 1875. Attus capitatus id., ibid., p. 51. 



1883. Attus cestwalis Peckliam, Descr. new or little known Attidse 

 of U. S.,p. 2. 



$ . Total length 4.8 mm. Width of abdomen 1.4 mm. 



Cephalothorax: length 2.1; width 1.5; heiglit 1.2. 



Legs 4.1, 3, 2.6, 3.9; patella and tibia of the first, 1.9; patella and tibia of 

 the third, 9; patella and tibia of the fourth, 1.7; metatarsus and tar- 

 sus of the fourth, 9. 



Cephalothorax high, convex, slightly dilated behind dorsal eyes; cephaho 

 part inclined, but httle shorter than thoracic. Ocular area one-third 

 wider than long, a little wider behind than in front; first row of eyes 

 a little curved; lateral a httle less than one-half as large as middle 

 eyes, and slightly separated from them; middle eyes sub-touching; eyes 

 of second row a very little nearer lateral than dorsal eyes; dorsal eyes 

 further from each other than from lateral borders. Clypeus one-third 

 as high as middle eyes, retreating. Falces extending to inner edges 

 of lateral eyes, flattened, once and a half as long as face, vertical, 

 somewhat diverging; fang moderately long and stout. MaxUlse par- 

 allel, long, enlarged and i-ounded at extremity, with a projection at 

 the outer corner; labium less than half as long as maxUlse, contracted 

 and rounded at tij). Sternum oval, twice as long as wide, narrow at 

 both ends. Anterior coxae separated by a httle more than the width 

 of the labium; considerably longer than the others. Legs relatively 

 long; first pair stoutest. Femoral, tibial and metatarsal spines on 

 the four pairs; on the metatarsi of the fourth throiighout their 

 length. 

 $ . Total length 6.2 mm. Width of abdomen 2.3 mm. 



Cephalothorax: length 2; width 1.5; height 8. 



Legs 8.5, 2.8, 2.5, 4.3; patella and tibia of the first, 1.3; patella and tibia of 

 the third, 9; patella and tibia of the fourth, 1.7; metatarsus and tar- 

 sus of the fourth, 9. 



Middle anterior only twice as large as lateral eyes; lateral not so mucli sep- 

 arated from middle eyes as in 3 . Falces parallel, fang short and 

 weak. Maxilla} parallel, without projection at outer corner; labium 

 more than once and one-half as long as maxillae. Anterior coxee sepa- 

 rated by scarcely the width of the labium and not so long as in ^ . 



Coloration : 6 . Cephalothorax bronze brown with three longitudinal white 

 bands on each side; the highest of these is much the widest and ex- 



