316 NORTHERN ZOOLOGY. 



traversing the middle of the first segment ; then a broadish subinterrupted one traversing the base 

 of the second and third ; and lastly the margin of the two last segments is also yellow, as is the 

 under side of the abdomen. 



Ray, I suppose, has not hitherto been referred to as describing this species, because in his definition 

 he mentions only three yellow bands, or annuli, as he calls them ; yet in his description he mentions 

 a fourth narrower one. 



Family MUSCID^. Muscidans. 



CCIV. Genus MUSCA. Linn. 



(444) 1. * Musca Cadaverum. Carcase Musca. 



M. ( Cadaverum J nigra ; prothorace abdomineque ex viridi atro-caruleis ; f route versicolors ; palpis subferrvgineis ; alulis albis, 



neura cingente testacea. 

 Carcase Musca, black ; thorax and abdomen black-blue with a green tint; front changeable ; palpi subferruginous ; winglets 



white, surrounded with a testaceous nervure. 



Length of the body 4| lines. 



A single specimen taken in Lat. 65°. 



DESCRIPTION. 



Body black, with black hairs and bristles. Antenna; plumate; eyes brown; the cheeks and front in 

 certain lights appear hoary or silvery from inconspicuous down, in others black ; feelers subferrugi- 

 nous : trunk and abdomen black-blue with a greenish tint : wings hyaline ; intermediate areolet 

 obtusangular : winglets white, bordered with a testaceous nervure. 



This species approaches very near to M. cadaverina, but the front, winglets, and palpi are of a 

 different colour. 



(445) 2. * Musca mortiseq.ua. Funereal Musca. 



M. (mortisequa) tlwrace obsolete trivittato ; abdomine ctzruleo, nitido ,■ ore ferrugineo, palpis pallide rufis ; alulis magnis albis ; 



alis areola intermedia acutangula. 

 Funereal Musca, thorax with three obsolete stripes ; abdomen blue, glossy ; front ferruginous ; feelers pale-red ; winglets 



large, white ; wings with the intermediate areolet acutangular. 



Length of the body 5| lines. 



Several taken with the preceding. 



