APPENDIX 



During the printing of this work there have been a number 

 of genera added to tlie fauna of the region included within its 

 limits. I give them as they should be intercalated in the 

 tables, together with some that have been omitted or over- 

 looked, though previously known. The student is requested 

 to make marginal references wherever they sliould be inter- 

 calated. 



LEPTIX.E, p. 44. 



2. Front tibia? with a single spur. 2a 



Front tibiffi with two spurs, etc. . . . Triptotricha Loew. 



2a. Antennal style jointed; fourth posterior cell closed (Central America 



and West Indies) Pheneus Walker. 



Antennal style not jointed; fourth posterior cell open, or wanting. 



Dialysis Walker. 

 STRATI0MYIX.?<;, ]). 48. 



0. Antennae much elongated, .7 



Third antennal joint oval, with a terminal arista. NoTHOMYiA'Loew. 



7. Face produced conically downward. . . Myxosargus Brauer. 

 Face not produced conically downward. ..... 8 



8. Third joint of the antennas composed of six closely united annuli, with- 



out style or arista; wings expanded distally (Central and South 



America) Analcocerus Loew. 



Third antennal joint composed of seven closely united annuli, without 

 style or arista; wings not expanded distally (Central America and 



East Indies) Campeprosopa Macquart. 



These last two genera belong among the Sarginaj, but have no terminal 

 arista. 



PACHVOASTUTNVE, ]). 48. 



1. Antenna; situated near the oral nuirgin. ...... 2 



Antennae situated near the nnddle of the head in profile. . . la 



la. Arista with a short, dense plumosity (Central America and rolynesian 



Islands) T-oi-iiotk.i.es Loew. 



Arista l>are. ........... ;5 



