LIST OF PLATES: 
Plate. Fig.| Page. Plate. Fig Page 
' Echinomyia dispar (head) .......... If. 14a 34 
Muscrpa: Carrerera. Trichophora vaana .. ) teen ees II. 15 | 36, 475 
Trichopoda squamipes, ¢ .......... XIII. 7 436 trisetosa, Qo ow... eee ee eee II. 16 | 36,476 
Homogenia latipennis, d .......... XIII. 8 438 | Gymnomma nitidiventris, 9 ........ Il. 17 38 
Acaulona costata ............00.. IIT. 1] 4,439 || Nemocheta dissimilis, ¢ .......... Il. 18 | 39,478 
Hyalomyia munda, Sg ............ XITT. 9 441 || Gonia mexicana, Sd ...........05. II. 19 | 40,479 
umbrosa, 9 ........ ee cece ee XITI. 10 444 > QD cece cee ee cece eens II. 20 | 40, 479 
Ocyptera signatipennis, ¢ ........ XIII. 11 450 || Distichona varia .............00: Til. 2 | 44, 480 
Beskia cornuta .............2.0.. XIII. 12 451 || Cnephalia onusta, 9 ........ 0005. Il. 4 46 
Xanthomelana articulata, ¢ (head)..| XIII. 13 452 Obesula, QP... eee eee eee ees Il. 3 46 
gracilenta, ¢ ...........0-- XIII. 14 454 || Nemoreea forreri ...........0000- II. 21 49 
ANCEPS, J wee ec ee eee eee ee XIII. 14 455 || Mystacella fuscicostalis, ¢ ........ III. 5 oT 
Ancylogaster armata, d .......... XII. 16 456 || Meigenia albidula, 9 ............ III. 6 59 
Clinogaster notabilis, ¢ .......... XIII. 17 457 || Exorista elongata, ¢............6. Il. 8 65 
Penthosia satanica................ XIII. 18 458 tricolor ....... eee eee eee Ili. 9 67 
Dejeania pallipes ................ I. 1 8 | ——— latimana, @ (anterior tarsus) .. III. 10 67 
atrata, S wc. eee eee cece es I. 2 8 flavirostris ...........0000- Il. 7 69 
rutilioides ...........000000. I. 3 | 9,459 | Phorocera nigrita, 9.............. IIL. 11 77 
corpulenta...............04. I. 4 | 9,459 || Brachycoma foveata .............. Iii. 12 93 
plumitarsis, ¢ (abdomen &c.) .. I. 5 | 10,459 || Plagia americana (wing) .......-.. TT. 19 102 
Hystricia albiceps, ¢ ............ I. 6 12 || Masicera picta .............0000e Iil. 13 108 
ambigua ........... cee ee I. 7 | 13,461 || Metopia perpendicularis, 2 (head &c.) Tit. 18 115 
pollinosa oc... eee eee eee I. 8 | 14,461 | Baumhaueria discrepans, 2 (wing) .. Itt. 17 115 
T0) 0) I. 9 | 15,461 |) Prospherysa * emulans ............ IIT. 14 117 
velutina, So... cece cece eee I. 10 15 minuta, Qo... eee eee eee ITI. 16 123 
amcena, Qe... ee ee ee ee eee I. 1l | 16, 461 parvipalpis (head &.) ........ III. 15 124 
MICANS 1... cece cece eee I. 12 | 16,461 || Lasiona multisetosa, g ............ III. 20 128 
dorsalis, So... eee eee eee I. 13 | 17,461 || Macquartia setiventris, ¢ .......... IIT. 21 129 
Saundersia ochripes .............. I. 14 19 || Labidigaster furcata, 2............ Ill, 22 181 
laticornis, S ...... eee ee eee I. 15 20 || Myobia flavicornis ................ IV. 1 133 
macula ........ cece cece eee I. 16 21 diadema .............2000e IV. 2 137 
albomaculata................ I. 17 | 21,464 |) Polygaster egregia, Q ............ IV. 3 139 
rufopilosa ............0ee0e I. 18 | 22,464 || Argyrophylax albincisa, @ ........ XIII. 19 485 
testacea...... ce eee e eee eee II. 1 | 24,465 || Hypostena blandita .............. IV. 4 142 
CANA 2... eee ee ee ee eee Il. 2 25 pilosa, J (Wing) ............ IV. 7 144 
—— bipartita .................. II. 3 | 25, 465 melaleuca, ¢ (wing) ........ IV. 6 145 
truneaticornis, 9 ............ II. 4 26 quadristriata, Gd ...... eee eee IV. 5 146 
Jurinia dichroma ..............4. II. 5 | 27,467 flavocalyptrata, 2 (wing) IV. 8 147 
badiiventris, ¢ .............. II. 6 28 || Degeeria nigrocostalis, g (wing) .... IV. 10 151 
adusta ..... eee eee eee II, 7 | 28, 467 COMPYESSA .. 2... eee eee IV. 9 153 
Belvosia bifasciata ................ II. 8 | 30,469 || Phasiopteryx ochraceus, ¢ (Neoptera } Iv rel 166 
leucophrys .............0.. Il. 9 | 30, 469 TUfa) Looe cece eee eee cee eee ° 211. 
Echinomyia robusta (head) ........ II. 10a] 32,471 » Q (Neoptera rufa) | ty 12 486° 
flaviventris ................ II. 11 32 (Wing &.) ... eee ee ee ee j ° 
analis (head) .............. II. 12a} 33,473 || Cenosoma signiferum, ¢ .......... IV. 13 167 
—— piliventris, g (head) ........ II. 18a| 34,474 || Telothyria cupreiventris, @ ........ IV. 14 182 
* The generic name is incorrectly written Phospherysa on the Plate. 
