144 STATE BOARD OF AGRICULTURE. 



the outer air and enables it to breathe when walking on the bottom of shallow 

 pools, etc. The term " water scorpions " has been applied to the members of 

 this family. 



NEPA Fabr. 



N. apiculata Uhl. Staten Island (Ds), Caldwell (Cr), Madison (Pr), River- 

 ton, V, 1 (Jn), Orange Mts. 



RANATRA Fabr. 



R. fusca Pal. Beauv. Caldwell (Cr), Madison (Pr), Riverton, VIII, 14, IX, 

 25 (Jn), Orange Mts. 



Family NOTONEOTIDiE. 



Waterbugs, termed "back-swimmers," because the upper surface is keel- 

 shaped and they swim backs down. They are predatory and can "bite' 

 severely if carelessly handled. They are of no economic importance. 



NOTONEOTA Linn. 

 N. insulata Kirby. Da Costa, VII (Jn), Staten Island (Ds). 

 N. undulata Say. Madison (Pr), Caldwell (Cr). 

 N. irrorata Uhl. Madison, common (Pr), Staten Island (Ds). 

 N. americana Uhl. Orange Mts. 



ANISOPS Spin. 

 A. platycnemis Fieb. Madison, common (Pr). 



PLEA Leach. 

 P. striola Fieb. Cedar Lake, Warren Co. (Ss), Clear Lake, IV, 18. 



Family CORISIDJE. 



These are "water boatmen," which resemble the preceding in appearance 

 and feeding habits, but are flattened above and swim right side up. None of 

 them are of agricultural interest, and no good collections have been made in 

 New Jersey. 



