DIPTERA. Q7 
sucker black, rather short ; lancets ferruginous; palpi pale yellow, clothed 
towards the tips with very short black hairs: feelers black ; first and se- 
cond joints tawny ; third tawny at the base beneath, where it is slightly 
convex, forming a shallow obtuse angle whose inner side is slightly convex 
and much shorter than its slightly concave outer side; compound joint 
very slightly curved upward, much shorter than the third joint: chest 
grayish black, adorned with four hoary stripes; sides slightly ferruginous ; 
breast hoary, partly clothed with hoary hairs: abdomen tawny, slightly 
obconical, a little broader than the chest, and nearly twice its length, 
adorned above with a very broad black stripe which widens towards the 
hind border of each segment, and includes a very slender, indistinct, inter- 
rupted pale tawny stripe; tip black: legs black; shanks towards the base 
and knees tawny ; foot-cushions pale tawny: wings very slightly gray ; 
wing-ribs tawny ; veins black, tawny towards the base; curve of the tip 
cross-vein inclining to an obtuse angle. Length of the body 6 lines; of 
the wings 12 lines. 
Cape Breton. 
TaBANUs SCUTELLARIS, Fem. 
Cinereus, thorace subvittato, lateribus ventre abdominisque segmentorum 
marginibus posticis fulvis, pectore cano, scutelli apice Serrugineo, ab- 
dominis dorso piceo vitta una cana duabusque fulvis ornato, palpis 
albis, antennis ferrugineis, basi pedibusque fulvis, alis subcinereis. 
Body gray : head pitchy above, covered by a yellowish-brown bloom, 
with the exception of a shining convexity above the base of the feelers ; 
eyes black, parted above by a broad interval; all the facets very small: 
sucker black ; lancets ferruginous ; palpi white, thinly clothed with short 
black hairs: feelers tawny ; first and second joints clothed with very short 
black hairs; third joint ferruginous, armed with a very short obtuse horn : 
chest gray, with indistinct darker stripes, tawny on each side; breast 
hoary; tip of the seutcheon ferruginous ; abdomen pitchy, slightly obconi- 
cal, a little broader and very much longer than the chest, adorned with a 
slender, hoary, middle stripe, which ceases on the tawny hind border of 
each segment; on each side there is a tawny stripe which is broad near the 
hase, but diminishes from thence towards the tip, which it does not attain; 
under side tawny with the exception of a pitchy middle stripe towards the 
base, and two pitehy side-stripes towards the tip ; legs tawny, clothed with 
: 
ys 
, i aid 
ee ee ee See 
iT 
_— - 
