258 MUSCID^E. 



12. Cochlearise, Hal. A. N. H. iii. 403. 12 (1839). Nigro- 

 tsnescens, facie flavicante, palpis nigris, alls obscuris, halteribus basi 

 nigris. Long. 1 ; alar. 2 lin. 



JEneous-black. Face yellowish. Palpi black. Wings dusky. Hal- 

 teres black at the base. Very like H. erythrostoma, but appears to be 

 a distinct species. 



Rare ; found in June at Holly wood, near Belfast. In the col- 

 lection of Mr. Haliday. (I.) 



13. albilabris, Meig. Zw. vi. 71. 22 (1830) ; Mcq.; Hal. argyria, 

 Desv. argyrostoma, Stenh. ; Zett. Nigra, nitida, facie alba, antenna- 

 rum articulo tertio fulvo, halteribus basi palpisque nigris. Long. -| ; 

 alar, li lin. 



Black; shining. Face white. Halteres at the base and palpi black. 

 Third joint of the antenna tawny. The third joint of the antenna is 

 more orbiculate than in the other species, and the wings are nearly lanceo- 

 late^ with the radial vein shorter '. 



Very rare. In meadows at Hollywood, near Belfast. In the 

 collection of Mr. Haliday. (I.) 



Subgenus 2. ATISSA. 



ATTSSA, Hal. A. N. H. iii. 404 (1839). Ephydra p., Hal. E. M. I. 

 174. 



Fades brevis, sub antennis utrinque impressa, margine infero prominulo. 

 Antenna articulo tertio spharoideo, subcompresso ; arista dorso breviter 

 pectinata. Alee lanceolate. Vena discali-recurrens a margine remota. 

 Face short, impressed on each side beneath the antenna, with the lower 

 border rather prominent. Third joint of the antenna spheroidal, slightly 

 compressed ; arista pectinated above with short bristles. Wings lanceo- 

 late ; discal-recurrent vein remote from the border. 



14. pygmsea, Hal. E. M. I. 174 (1834). Cinerea, facie albida, 

 antennis tarsisque ferrugineis. Long. -| ; alar. 1^ lin. 



Cinereous. Face whitish. Antenna and tarsi ferruginous. 

 Bare ; found in a salt-marsh at Hollywood, near Belfast. In 

 the collection of Mr. Haliday. (I.) 



Subgenus 3. GLENANTHE. 



GLENANTHE, Hal. A. N. H. iii. 404 (1839). 



Fades sub antennis utrinque impressa, medio longitrorsum convexa. Oculi 

 inferne attenuati, subangulati. Antenna articulo tertio orbiculato, com- 

 presso ; arista brevi, subtilissime pubescente. Vena discali-recurrens ab 

 ala margine distans. Fcem. Abdomen apice rima longitudinali tuber- 

 culum muricatum includente. 



