ittis quatuor tenuissimis nigris, abdomine
tessellato, alis cinereis.

_Female._ Black, with cinereous tomentum. Head whitish behind, frontalia
piceous, linear; antennae piceous; thorax with four very slender black
stripes; abdomen tessellated; wings grey, veins black, praebrachial vein
forming an obtuse and somewhat rounded angle at its flexure, from whence
it is hardly curved inward to its tip, discal transverse vein
undulating, parted by less than half its length from the border, and by
more than half its length from the flexure of the praebrachial; alulae
slightly cinereous, with testaceous borders. Length of the body 3 lines;
of the wings 6 lines.

105. MUSCA ERISTALOIDES, n. s. (genus Pollenia? _Desv._) _Mas et Foem._
Aureo tomentosa, crassa, subtus testacea, capite antico albo frontalibus
antice rufis, antennis piceis basi rufis, thorace vittis tribus
abbreviatis fulvis, scutello cyaneo, abdomine cyaneo basi fasciisque
duabus albis, pedibus fulvis, tibiis tarsisque nigris, alis cinereis
apud costam fuscescentibus. _Var. mas._ Minor, thorace vittis tribus
nigris.

_Male and Female._ Body thick; head white; frontalia of the female
piceous, linear, red in front; epistoma prominent; proboscis long; palpi
whitish; antennae piceous, red at the base; thorax with gilded tomentum,
and with three tawny bands which are abbreviated hindward, scutellum
blue; pectus testaceous; abdomen blue, white at the base and with two
white bands on the 3rd and 4th segments, 1st segment with a transverse
blue spot on each side; legs tawny, tibiae and tarsi black; wings grey,
blackish along the exterior part of the costa, praebrachial vein forming
a right but rounded angle at its flexure, near which it is curved inward
and is thence straight to its tip, discal transverse vein slightly
undulating, parted by a little more than half its length from the
border, and by much more than half its length from the flexure of the
praebrachial; alulae testaceous. _Var. Male._ Smaller; thorax with three
black stripes; abdomen with only one white band, which is on the 4th
segment. Length of the body 4-5 lines; of the wings 8-10 lines.

Gen. BENGALIA, _Desv._

106. BENGALIA SPISSA, n. s. _Mas et Foem._ Fulva, capite nigro antice
albo, antennis testaceis, pectore fasciis duabus obliquis albidis,
pedibus nigris femoribus basi coxisque fulvis, alis cinereis.

_Male and Female._ Tawny. Head black, with silvery tomentum in front,
epistoma not prominent;