No. 26.] 



ARTHROSTRACA OF CONNECTICUT. 



249 



the base, apex acute and with slight concavity in its dorsal 

 surface. 



Uropods with peduncle not extending as far as apex of last 

 abdominal segment; outer ramus lanceolate and more than twice 

 as long as last segment of abdomen ; inner ramus about one-third 

 as long as outer one. 



Color, posterior and lateral margins of uniform reddish 

 brown; other parts of a lighter color. Surface of body slightly 

 granulated. 



Length 9 mm. 



Distribution : Ohio ; Kansas ; California ; Utah ; New Mexico ; 

 Texas; Florida; Washington, District of Columbia; Virginia; 

 Maryland; New York City; Massachusetts; West Indies; Ber- 

 muda; Bahamas; Europe; North Africa; Venezuela. 



The species is found under logs and decaying vegetable 

 matter, in greenhouses, along walls, and in dwellings. 



It may be distinguished from other terrestrial forms by the 

 fact that the abdomen is abruptly narrower than the thorax. 



Actoniscus ellipticus Harger. 



FIG. 83. Actoniscus ellipticus. 



1878. Actoniscus ellipticus, Harger, Amer. Jour. Sci., ser. 3, 

 vol. 15, P- 373- 



1905. Actoniscus ellipticus, Richardson, Bull. U. S. Nat. 

 for 1878, p. 309, pi. i, fig. 3. 



