1892.] NATURAL SCIENCES OF PHILADEPHIA. 45 



Bathyphantes argenteomaculata, nov. sp. 



Largest female, youug, 2"3mm. 



Cephalotliorax pale yellowish, as are also the legs ; eyes sur- 

 rounded by black ; margin of cephalothorax dark ; sternum dark ; 

 abdomen light gray above with many small indistinct brownish 

 spots and larger silvery spots which form two oblique stripes 

 each side that approach each other, and several cross-bands on dor- 

 sum ; legs very long; abdomen as usual. 



Several specimens of this pretty species were found in Six Mile 

 Creek in Sept., all young. 



Bathyphantes pallida, nov. sp. Plate V, fig. 42. 



Length $ l*25mm. 



Cephalothorax light yellow-brown ; legs same color, somewhat 

 brighter ; palpi a little more gray ; sternum gray or dark gray ; 

 abdomen gray or nearly white on dorsum shading into dark gray 

 on venter; epigynum red at tip, and considerably projecting as 

 seen in the figure ; spinnerets light. 



Four specimens, Six Mile Creek, Dec, Apr. ; Fall Creek, Oct. 



Bathyphantes sabulosa Keys 

 LinypJiia sabulosa Keys. 



Uncommon, Six Mile Creek, Oct. 



Bathyphantes zygia Keys. 

 Erigone zygia Keys. 



Not uncommon during autumn and winter under stones and leaves. 



Bathyphantes formica Em. 



Two specimens, Freeville, Aug. 



Bathyphantes umbratilis Keys. 

 Erigone umbratilis Keys. 



In field. May. A few specimens. 

 Bathyphantes complicata Em. Plate IV, fig. 26. 



Uncommon, South Hill, Oct. ; Fall Creek, March, Oct. The 

 palpal organ agrees pretty closely with Emerton's figure; the color 

 of the cejjalothorax and legs is, however, yellowish, not orange. 



Bathyphantes unimaculata, nov. sp. Plate II, figs. 65 and 65a. 



Length $ and 9 l-9mm. 



Cephalothorax greenish-gray with small blackish irregular 

 patches ; eyes on black ; legs brownish-yellow ; sternum black ; 

 abdomen dark gray ; darkest on venter, almost black ; a pale spot 



