146 Phoridae. 



present in concinna and crassicornis, these bristles are generally small 

 and individually variable in number; crassicornis has thus both 

 anterodorsal and anteroventral bristles, concinna only anteroventral 

 and the other species only anterodorsal bristles). The bristles on 

 the legs are upon the whole not strong, of medium size or smallish. 

 The posterior tibiæ have apical spurs, The hind tibiæ have a 

 dorsal furrow, bordered on each side by a row of dense, palisade- 

 like arranged hairs (in chlorogastra, non-Danish and in most non- 

 European species there is only one row), ahbreviata shows three rows 

 as the posterior is double; in the bottom of the furrow there is a row 

 of hairs; on the posterior side of the posterior row there is further a 

 row of fine, shorter or a little longer hairs or bristles, answering to the 

 similar row of hairs or bristles in Aphiochaeta; on the dorsal side of 

 middle tibiæ there is a similar arrangement of palisade-like hairs, 

 but the anterior row does not reach here to the end, but stops before, 

 where the comb-like rows of hairs begin. For the rest the legs have 

 short hairs; on the anterodorsal side of middle tibiæ at apex there 

 is a smaller or larger, somewhat flattened area with the hairs comb- 

 like arranged in transverse rows, and a similar arrangement is present 

 on the posterior side of hind tibiæ just at apex, and on the posterior 

 side of metatarsi the hairs likewise in comb-like transverse rows, 

 also just at apex on anterior side of front tibiæ such an arrangement 

 is discernible. Claws and pulvilli normal; empodium short, spine- 

 shaped. (Becker says with regard to the species Dohrni that pulvilli 

 and empodium are reduced or wanting). Wings with costa to about 

 the middle, the mediastinal vein quite small, indistinct or wanting; 

 costal cilia short; third vein forked, the fork generally small or very 

 small with the angle acute; fourth vein issuing anterior to the base 

 of the fork and ending before the apex of the wing, it is almost straight 

 or more or less S-iike curved; fourth to seventh vein all present and 

 reaching the margin or sometimes more or less abbreviated. 



The developmental stages are not well known, so far I know of 

 only one species the larva is described; something is, however, 

 known about the feeding habits of the larvæ. D. concinna {cimhicis 

 Aldr.) has been bred from cocoons of Cimhex americana^ the imagines 

 emerging 'Vs— "/s (Brues, Trans. Amer. Ent. Soc. XXIX, 1903, 348); 

 abdominalis (or a species determined so) has been taken on carrion 

 in April and May (Malloch, Ent. Month. Mag. 2, XIX, 1908, 13), 

 one specimen being taken with undeveloped wings the larva may be 

 supposed to have fed on the carrion. I have myself taken florea below 



