- SCIENTIFIC WORKS : 
Published by TAYLOR uae Sovereign sith LEEDS. 
| [LLUSTRATED INDEX OF | oe Meee 
BRITISH FRESHWATER ert < * 
By ARTHUR G. STUBBS. HERE Sa pe 
Cantante life-like and authentic figures ‘of.all the British ghee: of Freshwater! Shells : 
with descriptions of the chief characteristics, colouring, habitat, and relative iscarcity — or si 
abundance of each species, and an enumeration ‘and description of their varieties. Be ig 
PRICE 3/9 POST-PREE. eR eS cs Saf mi 
WILD-BIRD PROTECTION AND. NESTING BOXES, s 
| By J. R. B. MASEFIELD, M.A., wo ay a 
VICE: - PRESIDENT NortH STAFFS. Nat, Fisvp Cus, Si °, 
ia 
Illustrated with NINE COLLOTYPE PLATES and many Paving: in. the text: yaaa various” i 
designs of Bird, Brackets, etc:, that have actually been ised by Wild Birds for Widthcation: and. a full. ‘list! 
of the Orders made under the ‘* Wild Birds’ Protection Acts," on the binant of County: Councils, with» 
the ‘names of the species protected: ' 
PRICE FIVE SHILLINGS. | 
COLLECTORS’ MANUAL OF . 
BRITISH LAND AND FRESHWATER SHELLS, 7 
By LIONEL E: ADAMS, B.A., . 
Hon. Reconpae OF THE CoNCHOLOGICAL, Socikry. Sa erate i Wee 
Iiastrated by Collotype and Engraved Figures ‘of even Species from Original . : 
ERM IRES by A. SICH; G. ‘W. ADAMS, and the rd cn ONDER eee» | 
SECOND EDITION. “4 
Containing a full enumeration and. description of all the recognized ‘varieties,’ with dingelostic tables for 
the more difficult genera; framed for thetpurpose of facilitating the easy identification of es more ‘difficult! 
species. f 
A full and detailed Census of the now Distribution of every species, jrcluding the eet ‘of latest 
testarches, is. added. : 4 
PRICE gi PLAIN, AND 10/6 COLOURED, NETT. . eee dees 
A few copies, with: duplicate plates (coloured.and plain); at'1§/* per copy nett. $ el 
