men tawny at the base; anterior legs testaceous, hind
femora spinose beneath; wings grey, darker at the tips; stigma and veins
black; halteres testaceous, with piceous tips. Length of the body 2
lines; of the wings 4 lines.

Fam. SYRPHIDAE, _Leach_.

Gen. ERISTALIS, _Latr._

6. Eristalis resolutus, _Walk._ See p. 95.

Gen. BACCHA, _Fabr._

7. BACCHA PURPURICOLA, n. s. _Foem._ Purpureo-fulva; capite chalybeo;
antennis rufis; pedibus fulvis; tibiis posticis apice tarsisque posticis
basi piceis; alis nigricantibus, apud costam obscurioribus, spatio
apicali subcostali cinereo; halteribus testaceis.

_Female._ Tawny, tinged with purple. Head chalybeous; antennae red; legs
tawny, hind tibiae piceous towards the tips, hind tarsi piceous towards
the base; wings blackish, darker along the costa, cinereous towards the
tips with the exception of the costa; halteres testaceous. Length of the
body 5-1/2 lines; of the wings 9 lines.

Fam. MUSCIDAE, _Latr._

Subfam. SARCOPHAGIDES, _Walk._

Gen. SARCOPHAGA, _Meigen_.

8. SARCOPHAGA BASALIS, n. s. _Mas._ Nigra, subaureo tomentosa; capite
aurato; thorace vittis tribus nigris; abdomine albido tessellato; alis
cinereis; venis lurido marginatis; alulis testaceis.

_Male._ Black, with slightly gilded tomentum. Head gilded; frontalia
deep black, hardly widening in front; thorax with three black stripes,
an indistinct blackish line on each side of the middle stripe; abdomen
tessellated with white; wings grey; veins bordered with a lurid hue,
especially towards the costa; praebrachial vein forming a slightly acute
angle at its flexure, near which it is much curved inward, and is thence
straight to its tip; discal transverse vein slightly curved inward near
its hind end, parted by a little more than half its length from the
border and from the praebrachial transverse; alulae testaceous. Length of
the body 5-1/2 lines; of the wings 9 lines.

Subfam. MUSCIDES, _Walk._

Gen. IDIA, _Meigen_.

9. Idia xanthogaster, _Wied. Auss. Zweifl._ 11. 349. 2. Inhabits also
Hindostan and Java.

10. Idia testacea, _Macq. Hist. Nat. Dipt._ 77. 246. 3. Inhabits also
Mauritius.

Gen. MUSCA, _Linn._

11. Musca obtrusa, _Walk._ See p. 105.

Subfam. ANTHOMYIDES, _Walk._

Gen. ARICIA, _Macq._

12. ARICIA VICARIA, n. s. _Foem._ Fulva, subtus testacea; capite nigro,
apud oculos albo; antennis testaceis; alis cinereis, apud costam
luridis.

_Female._ Tawny, testaceous beneath. Head black,