Superfamily Argiopoidea 



greater number of abdominal tubercles, as indicated in the 

 table above. 



Genus CERCIDIA (Cer-cid'i-a) 



This genus is distinguished from the closely allied genera 

 by the nature of the cuticula of the dorsum of the abdomen, which 

 is hard and glossy. Two species occur in our fauna. 



Cercidia funebris (C. fu'ne-bris).— - This is a small spider, 

 the female measuring only one sixth inch in length, which has 



Fig. 467. CVCLOSA TURBTXATA 



been found in Florida. The cephalothorax is reddish brown; the 

 abdomen glossy black, with a median and lateral stripe of chalks- 

 white or yellow. 



Cercidia prominens (C. prom'i-nens). — The cephalothorax is 

 red; the chelicerae are red with black spots; the sternum is black; 

 the legs are yellowish with brown rings; the abdomen is brownish 

 above, with a large reddish shield nearly covering the dorsum, there 

 is an indistinct light stripe and behind some transverse black lines. 

 The cephalothorax has above on the median line two prominent 

 spines. The length of the body is one fifth inch. 



This species was described from New 1 lampshire. 



Genus MARX I A (Marx'i-a) 



The anterior row of eyes is strongly procurved, the median 

 eyes being twice as far from the margin of the clypeus as are the 



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