1732 Insects. 



also states that they came out of the egg in July, and that he captured the larvae and 

 the perfect insect in the same month : this may be the fact, as I have taken the com- 

 mon species in all its states at one time. I merely mention the circumstance in order 

 to show that there is no rule to be absolutely depended on in the definition of a species 

 so variable in its changes. — H. J. Harding ; 1, York Street, Church Street, Shore- 

 ditch, April 10th, 1847. 



[May I inquire whether both my correspondents are writing of the same insect ? 

 If so, whether it is not the Lasiocampa roboris of entomologists ? And finally, whether 

 Mr. Marshall and other competent observers have not bred the two varieties from the 

 eggs of the same female parent? — E. Newman]. 



Description of British Bees belonging to the Genus Andrena of 

 Fabricius. By Frederick Smith, Esq. 



(Continued from page 1670). 



Sp. 9. Andrena fulvago, St. Fargeau. 

 Apis fulvago, Christi. Melitta fulvago, Kirby. 



Female. — (Length 4 J lines). Black ; the antennae nigro-piceous 

 beneath ; the clypeus coarsely punctate ; the face has a fulvous pu- 

 bescence as well as the thorax, sparing on the disk ; the tegulae pi- 

 ceous ; the wings subhyaline, slightly clouded at their margins ; the 

 legs dark rufo-piceous ; the posterior tibiae and all the tarsi rufous, 

 clothed with a fulvous pubescence, the floccus pale fulvous, the 

 scopa fulvous. Abdomen subovate, shining, and punctate, the apical 

 fimbria fulvous ; beneath, the apical segments have a marginal cilia of 

 fulvous hair. 



Male. — (Length 4 lines). Black ; the head and thorax have a dark 

 fulvous pubescence ; the antennae nigro-piceous beneath ; the wings 

 as in the female ; the posterior tibiae, and the intermediate and pos- 

 terior tarsi ferruginous. Abdomen oblong-ovate, punctured ; the 

 three apical segments have a slight fringe of pale fulvous hair on their 

 margins, both above and beneath. 



This species appears in June, it is local but not rare ; Mr. Kirby 

 did not know the male. Hampstead, Darent, Weybridge, Hawley, 

 Hants. 



Sp. 10. Andrena fulvescens. 

 Melitta fulvescens, Kirby, MSS. 



Female. — (Length 5 lines). Black ; the antennae nigro-piceous ; 

 the mandibles ferruginous at the tips ; the face clothed with fulvous 



