1892.] NATURAL SCIENCES OF PHILADELPHIA. 53 



6-7 spines on under side of tibise and metatarsi, I and II. Abdo- 

 men broadest behind the middle. 



One adult and several young, Indian Spring. 



Xysticus brunneus. nov. ?p. Plate III, fig. 4. 



Total length 9 8'5mm. 



Length of cephalothorax 4" mm. breadth 4" mm. 



Length of sternum 2* mm. breadth l"4mm. 



Length of femur I 3"2mm. tibia I 2"9mm. 



Length of femur IV 2-5mm. tibia IV r9mm. 



Distance between epigynum and spinnerets 2'3mm. 



Cephalothorax reddish-brown, darker on cephalic part and on 

 sides ; more yellow behind ; a brighter narrow stripe on the middle ; 

 clypeus same color ; falces and palpi reddish-brown ; maxillse, lip, 

 sternum and under side of legs lighter, more yellowish, legs, upper 

 side reddish-brown ; distal joints darkest. Abdomen above and 

 below a uniform dark brown, without markings ; spinnerets reddish. 

 Cephalothorax widest a little caudad of middle, much higher at 

 middle than in front; clypeus vertical ; eyes in two nearly equally- 

 bent rows, those of upper row of about equal size and at equal dis- 

 tances from each other ; the four M. E. form a quadrangle wider 

 than high ; the lower M. E. scarcely smaller and slightly nearer 

 each other than the upper M. E.; lower M. E. scarcely nearer 

 the much larafer S. E. than each other; sternum much longer than 

 wide ; abdomen rounded ; the epigynum consists of a cavity broader 

 than long at the bottom of which two dark oblong bodies lie separ- 

 ated by a septum. On tibiiB I and II two rows of six to seven 

 spines ; on metatarsi I and II two rows of five to six spines. 



One specimen. 



Xysticus crudelis, nov. sp. Plate III, figs. 5 and oa. 



Total length 9 



Length of cephalothorax 3"9mm. 

 Length of sternum , 2* mm. 



Length of femur I 3* mm. 



Length of femur IV 2*4mm. 



Distance between epigynum and spinnerets 



'Cephalothorax yellow, with sides reddish-brown, and above on 

 head same color; the edges of head white ; a narrow median con- 

 sisting of two dark lines ; clypeus and eye-region reddish-brown ; 

 falces, palpi, mouth-parts, sternum reddish-brown ; upper surface of 

 legs yellowish, thickly mottled with dark brown, distal joints 

 darker. Abdomen dark brown, lighter around the anterior sides ; 



