Attidce of North America. 69 



sometimes dark brown, sometimes pale with brown rings. Coxae 

 pale. 

 Habitat: New York, Pennsylvania, Wisconsin, Iowa, Tennessee, and Ala- 

 bama. 



PROSTHECLINA CAMBRIDGII Nov. Sp. 

 Plate I, figure 51. Plate V, figures 51, 51a. 



$ . Total length 5.2 mm. Width of abdomen 3 mm. 



Cephalothorax: length 3.7; width 3; height 1.9. 



Legs 6.4, 5, 6, 6; patella and tibia of the first, 3.5; patella and tibia of the 

 tliird, 3.1; patella and tibia of the fourth, 3; metatarsvis and tarsus 3. 



$ . Total length 5.8; width of abdomen 3.5. 



Cephalothorax: length 3.5; width 1.8; height 1.7. 



Legs 4.8, 4.5, 5.3, 5.7; patella and tibia of the first, 3; patella and tibia of 

 the third, 3; patella and tibia of the fourth, 3; metatarsus and tarsus 

 of the fourth, 1.9. 



Cephalothorax rather high, convex, slightly dilated behind dorsal eyes, 

 sides vertical; cephalic part inclined; ocular area occupying a little 

 less than one-half cephalothorax, less than one-fourth wider than 

 long, a little wider in front than behind. Anterior row of eyes a lit- 

 tle curved; the four eyes sub-touching; lateral more than one-half as 

 large as middle eyes; eyes of second row halfway between lateral and 

 dorsal eyes; dorsal smaller than lateral eyes, nearer to each other than 

 to lateral borders, in a row scarcely narrower than the cephalothorax 

 at that place. Clypeus vertical, one-third as high as middle eyes. 

 Falces extending to inner edges of lateral eyes, but little longer than 

 face, vertical, parallel, fang short, weak. Maxillae parallel, enlarged 

 and rounded at tip; labium nearly as wide as long, a little more than 

 one-half as long as maxillaj, rounded. Sternum nearly rovmd, trun- 

 cated in front. Anterior coxa3 separated by a little more than the 

 width of labium. Legs of the first stoutest, of the second next; 

 femoral, tibial and metatarsal spines on the four pairs, throughout 

 the length of the articulation on metatarsi of the fourth. 



Coloration: Cephalothorax black, with some gray hairs above the anterior 

 eyes, a white parenthesis on the anterior part of the thoracic region, 

 and white bands on the lower sides; abdomen greyish rufus with 

 four black spots; clypeus, falces, and sternum black with short white 

 hairs; mouthparts and coxa? rufus; legs of the first, dark, nearly 

 black, of the second, tliird, and fourth, varied with black, white and 

 rufus, palpi rufus with black tarsi; venter covered with gray hairs. 

 This species agrees witli the genus Prostheelina Keys., excepting that 



the relative length of tlie legs in the S is 1. 3, 4, 2; not 1, 4, 3, 2. 



Habitat: Florida. 



