716 LIST OF DIPTERA. 



Var. y. First and third joints of the feelers pitchy, third joint 

 tawny at the base beneath. 



a. St. Martin's Falls, Albany River, Hudson's Bay. Presented by 



G. Barnston, Esq. 



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



c. North America. Presented by the Entomological Club. 



Tachina contraria, n. s. Fulva, capite Jlavo, abdomine nigro, an- 

 tennis ferrugineis, articulo 3° nigro, pedibus fulvis, femoribus 

 intermediis basi nigris, pedibus posticis piceis femoribus nigris, 

 alis cinereis basi Jlavis. 



Head yellow, darker and adorned with a ferruginous stripe be- 

 tween the eyes, beset with a few black bristles, clothed beneath with 

 pale yellow hairs ; epistoma very prominent ; no bristles on the sides 

 of the face ; sucker black, ferruginous, and clothed with short pale 

 yellow hairs towards the tip : eyes red : feelers ferruginous, as long 

 as the face ; third joint black, hardly longer than the second, con- 

 vex above, flat beneath, rounded at the tip ; bristle downy, tapering, 

 twice the length of the third joint, its second joint long and twice 

 the length of the first : chest and breast tawny, clothed with black 

 hairs and bristles ; scutcheon armed with black spines : abdomen 

 deep black, clothed with black hairs and spines : legs clothed with 

 black hairs and bristles ; fore legs and middle legs tawny ; middle 

 thighs black towards the base ; hind legs pitchy, thighs black, knees 

 tawny ; claws and foot-cushions pale tawny, tips of claws black : 

 wings gray, yellow at the base ; wing-ribs and veins tawny, some of 

 the latter black towards the tips ; tip cross-vein forming a slightly 

 acute angle with the fourth longitudinal vein, much curved inward 

 near the base, straight from thence to the tip, which joins the bor- 

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

 straight for half the length from the base, slightly curved outward 

 from thence to the tip ; scales dingy yellow. Length of the body 4 

 lines ; of the wings 10 lines. 

 a. Mexico. Presented by E. P. Coffin, Esq. 



Tachina Boscii. Jurinia Boscii, Desv. Essai Mi/od. 36, 4. 

 a. ? 



Tachina epileuca, n. s. Fulvo-cinerea, capite albido, thorace vittis 

 quatuor obscurioribus, pectore cano, abdomine rufo, antennis ni- 

 gris, articulo 3° subtus ferrugineo, pedibus nigris, alis fusco- 

 cinereis. 



Head yellowish white, darker and adorned with a pitchy stripe 

 between the eyes, beset above with a few black bristles, clothed 



