TABLE OF CONTENTS. 



PAGE 



Dolichopus terminatus 9 31 1! 



seqiiax . , . 317 



soccatus . . :!17 



rernotus . . 317 



irrasus . . . 31S 



Orthochile derempta . . 318 



Walker, Trans. Entorn. Soc. . 319 



Psilopus ungulivena . 319 



solidus . . 319 



peractus . .319 



haeretictis . . 320 



peruiodicus . 320 



SUPPLEMENT. 



I. General remarks on the Dolichopodidse of North America . 

 II. Description of some Species communicated after the volume had 

 gone through the press ........ 



Gen. II. DOLICHOPUS . . 323 



43. dorycerus Lw. . 326 



44. spleiididulus Lw. . 327 



45. paljestricus Lw. . 9 . 328 



. 9 . 



46. melanocerus Lw. , . 9 



47. quadrilamellatus Lw. 



Gen. III. GYMNOPTERNPS 

 19. politus Lw. . 9 

 24. pusillus Lw. 9 . 

 27. chalcochrus Lw. 



330 

 331 



332 

 334 

 334 

 335 



26. coxalis Lw. $ 



27. meniscus Lw. . 



28. humilis Lw. . 9 



29. exiguus Lw. 9 



Gen. V. PELASTONEURUS . 



6. lamellatus Lw. 9 



7. abbreviates Lw. 



8. alternans Lw. 9 



Gen. VI. PORPHYEOPS 



5. longipes Lw. $ . 



321 



323 



335 

 336 

 336 



337 



337 

 338 



33S 

 339 



340 

 340 



EXPLANATION OF THE PLATES . ...... 341 



REMARKS ON THE GENERIC CHARACTERS EXPLANATORY TO THE PLATES . 345 

 INDEX ............ 357 



