LIST OF DIPTERA. 709 



gray, tawny towards the base ; wing-ribs and veins tawny ; veins 

 pitchy towards the tips ; tip cross- vein forming a very slightly 

 obtuse angle with the fourth longitudinal vein, curved inward near 

 the base, straight from thence to the tip, which joins the border at 

 some distance above the tip of the wing ; lower cross-vein straight 

 for rather more than half the length, very slightly curved outward 

 from thence to the tip ; scales dingy white. Length of the body 5^ 

 lines ; of the wings 11 lines. 

 a. Nova Scotia. From Lieut. Redman's collection. 



Group XII. 



Third joint of the feelers very much longer than the second, 

 flat above, slightly convex beneath, somewhat rounded at the tip ; 

 second joint of the bristle short, longer than the first. 



Tachina signata, n. s. Fulva, thorace vittis quatuor nigris pectore 

 cano, abdominis dorso plerumque nigro Jlavo vittato, antennis ni- 

 gris, articulis 2° apice S°que basi subtus ferrugineis, pedibusful- 

 vis, tarsis nigris, alis cinereis. 



Head tawny, with a stripe between the eyes from the crown to 

 the base of the feelers, beset above with a few black bristles, clothed 

 beneath with pale tawny hairs ; epistoma prominent ; no bristles on 

 the sides of the face ; sucker black, pitchy, and clothed with tawny 

 hairs towards the tip ; palpi tawny, beset with a few tawny hairs : 

 eyes red, covered with pale lawny down : feelers black, shorter than 

 the face ; second joint towards the tip and third at the base beneath 

 ferruginous; third joint flat above, slightly convex beneath, some- 

 what rounded at the tip, very much longer than the second joint; 

 bristle downy, near twice the length of the third feeler-joint, rather 

 thick for half its length from the base, slender thence to the tip ; its 

 second joint short, but longer than the first: chest dulltaw T ny, thinly 

 clothed with black hairs, beset with black bristles, adorned with 

 four black stripes : breast hoary : abdomen deep tawny, adorned 

 with slight pale tawny reflections, clothed with tawny hairs and 

 black bristles, armed with some long black spines ; much of its back 

 occupied by a large black mark which forms an irregular cross, and 

 contains a dull buff stripe : legs tawny, clothed with black hairs and 

 bristles ; feet black above : wings gray ; wing-ribs and veins tawny ; 

 veins pitchy towards the tips, slightly clouded with brown ; tip cross- 

 vein forming an acute angle with the fourth longitudinal vein, 

 much curved inward near the base, almost straight from thence to 



