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22 INSECTA SAUNDERSIANA. 
there are species which unite Tabanus and Pangonia, and several kinds 
which have been separated from Tabanus are but aberrant, or the last 
links of its variations. 
European Species. 
TABANUS SOLSTITIALIS, Var.? Mas. 
Cinereus, capite antico fulvo, pectore cano, abdomine nigro-piceo, lateribus 
basi et segmentorum marginibus posticis fulvis, antennis ferrugineis 
basi fulvis, pedibus cinereis, tarsis ferrugineis, tarsis anticis nigris, 
alis subcinereis basi et ad costam fulvis. 
Body gray: head tawny in front, hoary behind and beneath, where it 
is clothed with white hairs: eyes dark bronze; all the facets very small: 
sucker black ; palpi yellow, clothed towards the base with long white hairs, 
towards the tips with short black hairs: feelers ferruginous ; first and se- 
cond joints tawny, clothed with short black hairs; third joined, armed with 
an angular hump, but with no horn ; compound joint pitchy, very slightly 
eurved: chest thinly clothed with tawny hairs: breast hoary, clothed with 
pale yellow hairs: abdomen pitchy-black, obconical, much longer than the 
chest, clothed with yellow hairs which are mostly along the sides; a broad 
tawny stripe on each side from the base to the middle ; hind borders of the 
segments tawny ; under side covered with yellowish gray, clothed towards 
the tip with a few black hairs: legs gray, clothed with pale yellow hairs ; 
trochanters ferruginous; shanks and feet clothed with short black hairs ; 
shanks and foot-cushions tawny ; feet ferruginous with pitchy tips ; fore- 
shanks towards the tips, fore-feet and claws black: wings pale gray, tawny 
at the base and along the fore border as far as the brand, which is yel- 
lowish brown ; wing-ribs tawny; veins black, tawny towards the base and 
along the fore border ; angle of the tip cross-yein obtuse, and in one wing 
of the specimen described sending forth a short stump ; scales grayish 
tawny, with ferruginous borders ; poisers tawny. Length of the body 6 
lines ; of the wings 12 lines. 
Sicily. 
