120 
Kirby unfortunately frequently omitted to give the date of 
capture, which has in this and another instance given rise to a 
slight confusion of species. I have not troubled you with a more 
lengthy description of these insects, because Mr. Fredk. Smith is 
preparing a second edition of his catalogue of British bees, and it 
will then be done by a far abler pen than mine, and what is more 
important, correctly so. With these, at the Sallows, the rare 
Andrena smithella was not uncommonly found. 
At Brundall, in the middle of April, I took a Nomada, which, I 
believe, is new to Britain it is not much unlike N. lateralis, the 
latter, however, occurs about a month later : I am sorry to say the 
rough bank on which I found the two specimens (females) is now 
cut away to make a railway siding. Though these species of 
Andrena were plentiful, many of the early ones were hardly 
represented, of A. gwynana and parvula, which generally abound 
on the first fine day towards the end of March, scarcely a specimen 
was to be found. Kirby divided those little bees into three species, 
parvula, nana, and minutula, but recent writers have considered 
parvula as simply a variety of minutula ; this appears to me to be 
an error, probably caused by the absence of a record of dates of 
the appearance of these species of Andrena. This genus as I 
have before observed, has, as a rule, but one brood in the year, 
and the three species appear successively commencing with the 
earliest day of Spring and continuing to the end of August ; the 
black faced male appears with parvula at the end of March or 
beginning of April, and lasts till about the end of May; in the 
middle of May are to be found white faced males, and the female 
nana, and at the end of June or beginning of July, there is another 
white faced male, which differs from the previous one, and with 
this male appears a female, which at first sight, might be mistaken 
for parvula, but, as Kirby says in a foot note, the abdomen is 
of a different shape, and it is less hairy; these three species being 
found in abundance close to the city, have enabled me to get a 
good series with the dates of capture, and a close examination of 
these, has led me to believe that Kirby was right in his belief of the 
three species. 
