CATALOGUE OF INSECTS. 637 



downward and backward, legs rather long and slender. Some of the species 

 are densely hairy, with contrasting golden yellow and black or brown mark- 

 ings. They are predatory in habit, but rather sluggish in motion. The larvre 

 are also predatory, and live under widely-varying conditions. 



XYLOPHAGUS Meig-en. 



X. persequus Walk. Caldwell (Cr). 



X. lugens Loew. Riverton, IV, 17 (Jn), Caldwell (Cr), Woodbury, IV, 29 

 (Kp), Palisades, IV, under chestnut bark (Love). 



X. abdominalis Loew. Riverton : the larvae and pupae were found beneath 

 the bark of a dead pine, III, 20 ; imagos emerged, IV, 5 and 8. 



XYLOMYIA ' Rond. 

 X. pallipes Say. Lahaway, VII, 6 (Sm). 



DIALYSIS Walker. 



D. rufithorax Say. Westville, VI, 6, Merchantville, VI, 28. 



D. elongata Say. Jamesburg, VII, 4, Dunnfield, Del. Water Gap, VII, 8, 12. 



CHRYSOPILA Macq. 



C ornata Say. Newark, VI, 16, Dover, VI, 18 (Jn), Palisades, V, 30 (Love). 



C. thoracica Fabr. Newark, VI, 13, Dover, VI, 17 (Jn), Anglesea, VII, 25, 

 Orange Mts. (Sm). 



C. fasciata Say. Newark, VI, 15, Westville, VII, 2, Dunnfield, Del. Water 

 Gap, VII, 8, 14. 



C. quadrata Say. Dunnfield, Del. Water Gap, VII, 8, 15, Atco, VII, 12. 



C. propinqua Walk. Mullica Hill, Clementon, V, 30, Anglesea, VII, 25. 



O. basilaris Say. Westville, VIII, 18, Riverton, VII, 3. 



C. rotundipennis Say. Buena Vista, VI (Li), Riverton, VI, 19, VII, 3. 



LEPTIS Fabr. 



L. punctipennis Say. Clementon, V, 30, Westville, VI, 6, Newark, VI, 16, 

 Dover, VI. 17. 



L. plumbea Say. New Brunswick (Sm). 



L. mystacea Macq. Palisades, V, 24 (Love), Woodbury, IV, 30, Clementon, 

 V, 30, Dover, VI, 18 (Jn), New Brunswick (Sm). 



L. hirta Loew. Dunnfield, Del. Water Gap, VII, 15. 



L. ochracea Loew. Dunnfield, Del. Water Gap, VII, 8, 12, 15. 



L. scapularis Loew. " New Jersey " (Bt). 



