FAMILY MIDASID.E. 
53 
Species XXIV.— M. pacliygaster , Westw. n. sp. (pi. 13, fig. 4.) Rubiginosus, antennarum 
articulo 3tio fnlvo, 4to nigricanti, oculis nigris intus sericie albicanti marginatis ; 
thoracis dorso nigro vittato, abdomine thorace latiori, segmento lrao ct ultimo fulvescen- 
tibus, lmo basi obscuro, intermediis nigris margine tenui postico flavo, pcdibus rubigi- 
nosis; alis fuacautibus ad costam mcllco tinctis venis obscurius marginatis. % Long, 
corp. lin. 9£. Expans. alar. lin. 20. 
Habitat in Georgia Americana. In Mus. D. Hope. 
Species XXV.— M» basalis, Westw. n. sp. Niger, facie fulva, antennis nigris, arliculis duobus 
basalibus fulvis, thoracis dorso obscure fcrruginoso vitta media nigra, abdomine crasso seg¬ 
ments 2—7 flavo marginatis, pedibus fulvis, coxis femoribusque 4 anticis basi nigris, alis 
flavido-fuscanis, veni3 fulvis. . Long. corp. lin. 11. Expans. alar. lin. 20. 
Habitat in Mexico. Tacubaya. D. Coffin. Mus. nostr. 
Obs. —The middle cell near the hind margin of the wing does not 
emit the short transverse vein running to the margin. 
Species XXVI.— M. maculivcntris, Westw. (in Lond. and Edinb. Phil. Mag. June 1835, 
PI. 13, fig. 5). Obscure niger ; abdomine tcstaceo fuscanti; segmentis apice pallidis et 
(nisi segmentis duobus basalibus) macula triangulaii nigra in medio notatis, his maculis 
versus apicem abdominis magnitudine crescentibus, segmento anali fusco ; abdomine toto 
subtus concolori ; alis flavido-fuscantibus, venis in parte postica obscurius marginatis; 
epistomate nigro hirto, pedibus piceo-nigiis. 
Long. corp. lin. 11. Expans. alar. lin. 19. Habitat in Georgia Americana. Mus. Hope 
ct nostr. 
Obs. —Ahhot s drawings of Diptera, No. 66, represents a probable 
variety of this species, in which the second segment of the abdomen 
has the sides and hind margin (except in the centre, where the 
band is interrupted) fulvous-coloured; the third segment has also 
a subapical fascia interrupted in the middle of the same colour. 
Species XXVII.— M. incisus, Macquart (Dipt. Exot. Nouv. v.l,pt. ii. p. 1J, pi. 1, fig. 1). 
Niger, abdomine incisuris flavis, segmento basali omnino nigro, alis fuscis, cellulis 4 pos- 
ticis. Long. corp. lin. 9. 
Habitat Carolina. 
Species XX VIII.— M. parvulus , Westw. n. sp. (PI. 13, fig. 6). Obscure fulvus, antennis 
nigricantibus, basi subluteis, oculis nigris intus sericie alba marginatis, thorace vittis 
4 nigricantibus, 2bus lateralibus antico, intermediis 2 postirc, abbreviate; abdomine flavo, 
nitido punctato, segmentis *2do ct sequentibus nigro fasciatis, fasciis in segmentis posticis 
multo latioribus, pedibus fulvis, alis fuscanis costa magis lutescenti. Long. corp. lin. 6£. 
Expans. alar. lin. 11. 
Habitat in America Septentr. D. Doubleday. Mus. Newman. 
Species XXIX. — M . apicalis, Wied. (Mon. Mid. pi. 53, fig. 14.) Niger, abdomine ehaly- 
beo, medio nigro, antennis apice rubris, alis sinuato nigris, margine interno flavido £. 
Long. corp. lin. 9. 
Habitat in Brasilia. 
Species XXX.— <M. virgatus, Wied. (Mon. Mid. pi. 54, fig. 19.) Niger, thorace vittis 
albo micantibus, alis infumatis. Long. lin. 7\. 
Habitat in Brasilia. 
Species XXXI. — M. stenogasier } Westw. n. sp. (PI. 14, fig. 3). Niger, albido setosus, 
facie barba densa albida obsita, thorace maculis duabus parvis in margine antico albo 
squamosis, nltcrisquc duabus versus basin alarum, abdomine valde elongato, segmento 
antico albo-piloso, 2do nigro, 3tio obscure rufo, lateribus nigris albo maculatis ; casteris 
saDgnineis, singulo ad basin utrinque macula parva alba; pedibus piceo sanguineis ; alis 
subhyaliws. Long. corp. lin. 9. Expans. alar. lin. 13. 
Habitat Swan River, Australasia. Mus. Hope. 
Obs. —The veins of the wings of this species agree with those of 
M. viduatus. 
Species XXXII.—ill. licolor, Westw. n. sp. (PL 14, fig. 2). Niger, albo-pilosus, facie barba 
densa albida, abdomine segmentis 5 posticis, pedibusque sanguineo-rufis, tarsis paullo 
obscurioribus, alis hyalinis, venis flavido-fuscanti marginatis. Long. corp. lin. 9^-. 
Expans. alar. lin. 16. 
Habitat in Australasia Occidentali. Mus. Hope. 
