Ln parts, at One Shilling, 8vo, with Engravings. 
An Illustrated Manual of British Birds 
By HOWARD SAUNDERS, F.LS., F.Z.S., etc., 
Editor of the 3rd and 4th Volumes of Yarreil's * History of British Birds.’ 
Fourth Edition. 
To be completed in about 20 monthly parts. 
PROS PRCT US ON: APR nt A tT Loom. 
GURNEY & JACKSON (Successors to Mr. VAN Voorst), 1, Paternoster Row. 
Now ready, complete, 8vo, cloth, with Coloured Map, price £1 1s. od. 
THE FLORA OF WEST YORKSHIRE. 
By FREDERIC ARNOLD LEES, M.R.CS., etc. 
This, which forms the 2nd Volume of the peg Series of the Transactions, is perhaps. 
the most complete work of the kind ever issued for a donee including detailed and full 
records of x 244 Pranenseiea and Vascular Crpsesaaian £ 11 Claes 348 Mask ro8 ecuesen 
258 Lichens, 1,009 Fungi, and 382 Freshwater Algae, making a total of 3,160 species. 
Lonpon: LOVELL REEVE & COQ., 5, Fleurietta Street, Covent Garden ; 
Or the work may be had from the Hon. Sees. of the Y.N.U., 
WM. DENISON ROEBUCK,).«. 
E. PONSONBY KNUBLEY, } Sunny Dank, Leeds. 
The British Noctus and their Varieties 
in 4 Vols. (bound in Cloth). 
By aS co eee F.E.S. 
Price 7s. each Vol., or 5s. 6d. per Vol. to those who subscribe for the whole work direct 
to the ‘Aarhee. Rayleigh Villa, Westcombe Hill, 5.E. 
MELANISM & MELANOCHROISM IN LEPIDOPTERA, 
By the — SE Bound in Cloth, price 2: , from the A — Rayleigh Villa, Z 
and value of colou: insects, is that which has been followed uP. in Mr. Tutt’s series of 
papers on elon and reg hep gpa (Rt Hon. Lord Walsingham, PREstpDENTIAL 
Appress Ent. Soc. or Lonpvon, 1890.) 
SECONDARY SEXUAL CHARACTERS IN LEPIDOPT ERA 
AND STRAY he a THE NOCTUA, . 
By 
ae same Author. 1s. — 
| Just Published. Crown 8x0, Cloth, 2s. oF ao Le e 
r HOTOGRAPHY © TO ro ane MICROSCC OP i, 56 
co BY F. W. MILLS, © Cr eS ao 
ae Camera Cee hello Ptah Soir, he Pata eee 
WITH A CHAPTER ON “MOUNTING OBJECTS, ce 
T. CHARTERS WHITE, M.R.C.S., F. RMS, : oS 
Author of rte Elementary Manual oe Microscopical Ma 
ILLUST RATED. 
io  Tntree & SON, 3, Se Be Suret, Lage Cam 
a 
mee ae é 
Mer ook : - WW. Warsow & Sons, 
_ New Yor oe _ ANTHONY & Co., 591, 
