11 LIST OF PAPKRS. 



PAGE 

 SCHAUS, W. 



New species of Geometridae from Tropical America. 



Part I 165 



New species of Geometridae from Tropical America. 



Part II 241 



Smith, John B , Sc.D. 



Revision of the species of Xylina Ochs. (Plates i-v) 1 



Revision of the species of Acontia Ochs. . . 47 



Notes on Mamestra olivacea Morr. and its allies (PI. x) 230 



TOWNSEND, C. H. T. 



New and little known Diptera from the Organ Mount- 

 ains and vicinity in New Mexico .... 159 



Van Duzee, Edward P. 



Notes on some Hemiptera from British Guiana . . 343 



ViERECK, Henry L. 



New species of the Subfamily Pseninse . . . 338 



Weeks, A. G., Jr. 



Description of nine new Bolivian Butterflies . . 353 



Williamson, E. B. 



The Subgenus Stylurus Needham : Selys' Groups VI 

 and VII of the Genus Gomphus (Odonata), and 

 on the postanal cells in the latter (Plates viii-ix) . 205 



