OCCURRING ABOUT HOLYWOOD. 167 



of the latter. The two species referred to it are minute, and 

 have been placed by Miegen far apart, in two genera to which 

 they have little affinity. Both occur on the sea-coast at Holy- 

 wood, but are not common. 



Dryomyza mollis. Pallide ferruginea, iomentosa, anlentiis 



apice tarsisquefuscis, alls hyalinis. (Long. .36.) 

 Probably an immature variety oi D. Jlaveola. 



COELOPA. 



A. — Thorax depressed, coriaceous, with three impressed lines. 

 C. frigida. 

 Fore metatarsus of $ toothed at the tip, below as in all the rest : 



the face and legs are clothed with soft dense fur without any 



bristles. 



C. gravis. Fusca, antennis ore pedihiisque ferrugmeis. Mas. 



Tibiis et tnetatarsis intermediis niqro villosis. (Long. 



$ .3, ? .25.) 

 Front face and legs bristly : middle metatarsus concave, and as 



well as the shank, clothed with very long woolly black hair: 



fore metatarsus ending below in a blunt tooth. Female half as 



large : legs less bristly. 



Abundant with the last on marine rejectamenta, upon sandy 

 coasts, and equally so in the flowers of orchards. 



C. simplex. Fusca, antennis ore pedihiisque ferrugmeis. Mas. 



Tibiis et metatarsis intermediis subnudis. (Long. $ .25.) 



Female smaller. 

 In the same situations with the last, and like it in other respects, but 



the characters of the male seem constant : the legs are less bristly : 



the metatarsus of the middle pair not arched, &c. 



C. parvula. Nigra, antennis basi ferrugineis, pedibus piceis. 



(Long. .17.) 

 Thorax not so opaque as in the two preceding, the impressed lines 

 very faint : legs less bristly. 

 Inhabits rocky coasts. 



B. — Thorax convex, soft, pubescent, without impressed lines. 

 C. sciomyzina. Pallida, tomentosa, vertice et thorace cinereis. 



(Long. .17.) 



