1892.] NATURAL SCIENCES OF PHILADELPHIA. 29 



stripe, sometimes partially divided into spots ; these stripes con- 

 nected at apical end by a broad irregular band of same color ; some- 

 times a few small spots in the enclosed space. Prolongations of the 

 markings often extend down on the sides of the abdomen, especially 

 posteriorly ; spinnerets light ; the abdomen is somewhat longer and 

 narrower than usual ; abdomen above with many blackish hairs. 

 Several specimens. April under bark, and in summer. 



Dictyna dubia. nov. sp. Plate I, fig. 82a. 



Total length ? 2-7mni. 



Cephalothorax dark red-brown, head and clypeus yellowish-red; 

 mandibles yellow-brown ; legs and palpi whitish ; sternum and lip 

 yellow-brown; maxillie lighter ; venter yellowish ; dorsum grayish, 

 covered with yellow spots leaving a gray network, little dots of 

 gray in the yellow spots ; each side of dorsum an indistinct stripe of 

 rusty brown, most distinct near base; abdomen elliptical, well 

 rounded. 



One specimen. 



Amaurobius silvestris Em. 

 Common under stones. 



Titanoeca americana Em. 



Frequent under stones, Fall Creek, Enfield Creek. 



Neophanes Marx. 



General structure of Dictyna ; eyes six in two groups, three 

 each side ; calamistrum and cribellum present in both sexes ; lip 

 triangular; small species. 



Neophanes pallidus Marx. Plate III, figs. 86, 86a and 87. 



Length 9 and $ I'lmm. 



Cephalothorax yellow-brown, with a few blackish marks ; the 

 eyes on two black patches, one each side; mandibles more yellow 

 than cephalothorax ; legs yellowish, basal part of hind pair more 

 white ; sternum white, a little tinge of yellow ; lip mure yellow ; 

 abdomen nearly white, a little grayish. 



Structure very peculiar; eyes six in two groups; calamistrum 

 and cribellum distinct in both sexes ; lip long triangular, a tooth 

 each side of base ; spinnerets six, separated ; tubules only on adja- 

 cent surfaces of under pair; palpi and epigynum as figured ; one 

 specimen a little smaller with a gi*eenish abdomen does not seem 



