908 LIST OF DIPTERA. 



Group IV. Beria, Desv. Essai Myod. 418. 

 Group V. Rhinophora. 



Musca atrameutaria, Meiy. Dipt. v. 65, 26, vii. 301, 28. Zett. 



Ins. Lapp. 658, 21. Dipt. Scand. iv. 1337, 9. Pollenia atra- 



mentaria, Macq. Hist. Nat. Dipt. ii. 272, 13. 

 a. Aix-la-Chapelle. Presented by F. Walker, Esq. 



C. Muscidae Vagantes, Desv. Essai Myod. 400. 



Group I. Graphomya, Desv. Essai Myod. 403. 



Musca maculata, Linn. Syst. Nat. ed. xii. 2, 990, 70. Fabr. Ent. 

 Syst. iv. 314, 8. Sysl. Anil. 287, 14. Gmel. Ed. Syst. Nat. 

 i.5, 2841, 70. Dey. Ins. vi. 84, 13, pi. 3, /. 22. Harr. Ex. 

 140, pi. 41, /. 38 ? Turt. iii. 598. Don. Brit. Ins. xiii. 25, 

 pi. 445, /. 1. Panz. Faun. Germ. 44, 22. Fall. Muse. 49, 

 27. Meiy. Dipt. v. 78, 48. Zett. Ins. Lapp. 659, 25. M. 

 vulpina, Fabr. Sp. Ins. ii. 439, 20. Ent. Syst. iv. 319, 29. 

 Syst. And. 292, 43. Gmel. Ed. Syst. Nat. i. 5, 2841, 179, 

 mas. M. compunctus, Harr. Ex. 1 13, pi. 33, /. 24, mas. 

 Graphomya maculata, Desv. Essai Myod. 403, 1. Cyrtoneura 

 maculata, Macq. Hist. Nat. Dipt. ii. 275, 1, pi. 16,/. 20. 

 Meiy. Dipt. vii. 309, 15. Zett. Dipt. Scand. iv. 1355, 10. 



a. England. 



b. France. 



c ? From Mr. Children's collection. 



Musca Idessa, n. s., fern. Niyra, albo micans, thorace vittis quatuor 

 cyaneo-canis, abdomine maculis niyris quadrivittaio, palpis ni- 

 yris, pedibus piceis, tarsis niyris, alis subcinereis. 

 Body black, clothed with black hairs and bristles : head adorned 

 with white lustre ; a broad black stripe on the crown ; epistoma 

 hardly prominent; sides of the face beset with short bristles for half 

 the length from the base : eyes red ; fore part flat, its facets a little 

 larger than those elsewhere : sucker black, clothed at the tip with 

 a few tawny hairs : palpi black, beset with black bristles : feelers 

 wanting : chest adorned with four broad, regular, bluish hoary 

 stripes ; scutcheon whitish, with a large black spot in the disk : ab- 

 domen covered with white reflections, adorned with four rows of 

 large irregular black spots : legs dark pitchy ; thighs covered with 

 gray bloom ; feet black : wings slightly gray ; wing-ribs pitchy ; 



