LIST OF DIPTERA. 



Page 375. 

 For Mrs. Mornay, read Mr. Mornay. 



Page 382. 

 Laphria bilineata, Barnstons MSS., fem. Nigra, thorace cinereo 

 bivittato, abdominis disco ferrugineo, antennis pedibusque nigris, 

 tibiis piceis, alis cinereis. 



Body black, clothed with black hairs : head partly covered with 

 hoary bloom, clothed in front and beneath with hoary hairs : eyes 

 pitchy-black ; fore part flat, its facets very much larger than those 

 elsewhere : sucker black, pitchy and clothed with pale hairs at the 

 tip : feelers black : chest adorned with two slender, parallel gray 

 stripes : abdomen spindle-shaped, very much longer than the chest ; 

 each segment from the third to the fifth adorned with a large trian- 

 gular ferruginous spot, which is clothed with bright tawny hairs : 

 legs black, clothed with hoary hairs and black bristles ; shanks 

 pitchy ; foot-cushions tawny ; claws ferruginous towards the base : 

 wings gray ; wing-ribs, veins and poisers black. Length of the 

 body 7 lines ; of the wings 14 lines. 



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

 G. Barnston, Esq. 



Page 402. 

 For Mrs. Mornay, read Mr. Mornay. 



Page 489. 

 Spania nigra, Meig. Dipt. vi. 335, 1, pi. 66, f. 12—14. Macq. 



Hist. Nat. Dipt. i. 431, 1, pi. 10, /. 14, 15. 

 a. Allen. Presented by F. Walker, Esq. 



Page 492. 

 For lcevipes, read laevipes. 



Pages 503, 504. 

 For Heliodromia, read Heleodromia. 



Page 505. 

 Hemerodromia melanocephala. 

 c. Alten. Presented by F. Walker, Esq. 



