610 



BULLP:TIN .14, UNITED STATES NATIONAL MUSEUM. 



Localities. — Westwood, Hamilton County, Ohio; *" Old Mill," Devils 

 Backbone, Hamilton County, Ohio; Miami Grove, Ohio; Piseco, New 

 York; Rock Island, Illinoi.s; Springfield, Ohio; Columbus, Ohio; Clif- 

 ton, Cincinnati, Ohio; Washinoton, District of Columbia; New York 

 City; Norwich, New York; Warwick, Massachusetts; Kelley's Island, 

 Lake Erie; Syracuse, New York; Las Vegas Hot Springs, New Mexico; 



Fig. 665.— Cylisticus convexus (After Saes). a, Anterior lip. 6, Mandible, e, Dorsal view 

 OF MALE, d, First antenna, c. Second antenna. /, Posterior lip. g, Head (dorsal viewi. 

 h. Mandibles. /, Last two segments of abdomen and uropoda. J, Uropod. k, Maxillipeds. 

 I, Lateral view of male, m. First maxilla, n, Second maxilla, o, Flagellum of second 

 antenna, p, First pleopod of male. q. Seventh leg. r, Second pleopod of male. «, Abdo- 

 men (ventral view), t. First pleopod of female, u. First leg. 



Saginaw, Michigan; also Sweden; Denmark; British Isles; Germany; 

 Bohemia; Holland; Belgium; France; Turkey; and coast of Norway. 



Found under bricks and boards; in woods, under logs; along roads, 

 under stones; in wood sheds. 



Body oblong-ovate, contractile into a ball, a little more than twice 

 as long as wide, 5^ ram. : 12^ mm. 



Head about twice as wide as long, 1^ mm. : 3 mm., with the anterior 



