238 BRITISH BEES. 



NATIVE SPECIES. 



§ Males with elongate tufted intermediate tarsi, and differing from 

 female in colour. 



1. retusa, Linnaeus, <J ? . 6 lines. (Plate VI. fig. 3 



(? ?■) 

 Haworthana, Kirby. 

 Haworthana, Curtis, viii. 357.' 



2. acervorum., Fabricius, S ? • 6-8 lines. 

 reiusa, Kirby. 



§§ Males without elongate tufted intermediate tarsi, concolorous with 

 their females. 



3. furcata, Panzer, c? ? • 5-6 lines. (Plate VII. 



fig- 1 c? ? •) 

 furcata, Kirby. 



4. quadrimaculata, Panzer, c? ? • 4-5 lines. 

 vulpina, Kirby. 



subglohosa, Kirby. 



GENERAL OBSERVATIONS. 



Tbe name av8o<i, ^mp <^wpo<;, flower-rifler, would 

 be as suitable for any other genus of bees, and therefore 

 may be classed with those names which have no explicit 

 signification. 



The two divisions which our native species of this 

 genus form, might very consistently constitute two ge- 

 nera, differing so much as they do both in habit and 

 habits. In the first section the males totally differ from 

 their females, the latter being black and the pubescence 

 of their partners fulvous, and whose intermediate legs 

 are so much longer, and are decorated besides with tufts 

 of hair upon their plantse, neither peculiarity being 

 found in those of the second section^ which conform 



