1892.] NATURAL SCIENCES OF PHILADELPHIA. 35 



Cornicularia placida, no\ . sp. Plate V, fig. 30. 



Length 9 l-9nuii. 



Somewhat similar in general appearance to what I have called 

 C. directa ; but the epigynum is quite difterent, cephalothorax pale 

 chestnut brown, darker on the head ; abdomen nearly white ; epigy- 

 num reddish ; legs and sternum brownish-yellow. 



One specimen, Fall Creek, Oct. 



Lophomma cristata Blk. 



One specimen, South Hill, Apr. Probably this species. 



Lophocarenum castaneum Em. Plate IV, fig. 3. 



Several females which I take to be this species. The cephalo- 

 thorax is somewhat more yellowish than in the description ; the 

 abdomen is large and well rounded. 



Fall Creek, March. 



Lophocarenum tristis, nov. sp. Plate IV, fig. 1, 



Length 9 2-3mm. 



Cephalothorax dark red-brown ; legs brownish-yellow ; mandibles 

 dull reddish-brown, sternum and abdomen very dark gray ; head a 

 little elevated ; abdomen large oval ; the middle of hind margin of 

 epigynum is a little raised ; sternum quite convex ; legs not long. 



Three specimens. Inlet Marsh, Apr. ; Fall Creek, Oct. 



Lophocarenum florens Cambr. 



Not uncommon, Round Marshes, Oct. ; Burdick's Glen, Sept. 



Lophocarenum unimaculatum, nov. sp. Plate IV, fig. 2, 2a. 



Total length 9 2-4mm. 



Length of cephalothorax l'2mm. breadth !• mm. 



Length of abdomen l'6mm. breadth l'2mm. 



Cephalothorax orange above and below ; eyes surrounded by 

 black rings; clypeus and mandibles orange; palpi yellow; coxte 

 yellowish ; base of femora reddish often extending beyond the 

 middle; patella tibia and metatarsus dark, nearly black; tarsus 

 lighter ; abdomen orange yellow above and below, with a large 

 bluish-black spot in centre of dorsum, sjDot rounded behind and 

 pointed in front. 



A pretty species found in Inlet Marsh among leaves, Oct.; and 

 later in Nov. under bark. 



