Mosquito Annoyance at BlackJieath. 57 
I know of no records of mosquitoes from either Greenwich Park or 
Blackheath. Two species occur in abundance in some of the docks 
(London and Albert), namely, Cidex pipiens, L., and Culex dorsalis, Meigen, 
and from the latter dock I have received Culex pidcritarsis, of Rondani. 
Cidex dorsalis is a vicious biter, and I believe occurs all down the river. 
Culex pipiens also bites severely at times, the bites being followed by large 
red oedematous patches. I am afraid without investigation on the spot I 
cannot possibly help you further. 
I am, etc., 
Feed. V. Theobald. 
Borough of Greenwich 
Public Health Department, 
Town Hall, Greenwich Road, S.E., 
12 th November , 1901. 
Dear Sir, — Please accept my best thanks for the information you 
have so kindly supplied to me, and I will endeavour to obtain a few 
specimens of the insects referred to and submit them to you if you are 
agreeable. 
I am, etc., 
E. G. Annis. 
British Museum (Nat. Hist.), 
Cromwell Road, S.W., 
21s£ November , 1901. 
To Dr. E. G. Annis, M.R.C.S., etc., 
Medical Officer of Health, Greenwich. 
Dear Sir, — I shall be pleased to examine the noxious flies that are 
causing annoyance in your district whenever you care to send them here. 
Yours, etc., 
Fred. Y. Theobald. 
Borough of Greenwich 
Public Health Department, 
m T'l TT m -n 26M November, 1901. 
do F. Y. Theobald, Esq., 
British Museum (Nat. Hist.) 
Dear Sir, Yours of the 21st to hand, for which I thank you, and 
1 am endeavouring to obtain specimens of the insects referred to, but they 
do not seem to be so prevalent in the colder weather. 
I shall, however, be pleased to avail myself of your kind offer when I 
am in a position to do so. 
I am, etc., Yours, 
E. G. Annis. 
