WORKS PUBLISHED BY MR. VAN VOORST, 

 During 1848. 



A HISTORY OF BRITISH MOLLUSCA AND THEIR 

 SHELLS. By Professor EDWARD FORBES, F.R.S., of 

 King's College, London, and SYLVANUS HANLEY, B.A., 

 F.L.S. Vol. I. 8vo. ll. 11*. 6d., or Royal 8vo. with the 

 Plates coloured, 31. 3s., to be completed in 3 vols. 



A SYSTEMATIC CATALOGUE OF THE EGGS OF 

 BRITISH BIRDS, arranged with a View to supersede the 

 use of Labels for Eggs. By the Rev. S. C. MALAN, M.A., 



MAS v:. "<* TO 1 s-J 



The reader is requested to correct the following Errata : 



Page 34, line 9 from the top, for Frst's read First's. 

 Page 45, line 11 from the top, for beomes read becomes. 

 Page 107, heading, for BEECHY HEAD read BEACHY HEAD. 

 Page 119, heading, for SNIPES-HOOTING read SNIPE-SHOOTING. 

 Page 203, line 4 from the bottom, after shot, read by a person 

 of the name of Markwick. 



, . r w.u., vj i/c uutupieieu in anout 



15 Parts, at 2s. 6d. Each Part will contain Four Birds, 

 coloured. 



THE ANCIENT WORLD ; by PROFESSOR ANSTED. Se- 

 cond Edition, with 149 Illustrations, Post 8vo., 10s. 6d. 



THE ISLE OF MAN; its History, Physical, Ecclesiastical, 

 Civil, and Legendary. By the REV. J. G. GUMMING, M.A., 

 F.G.S., Vice-Principal of King William's College, Castle- 

 town. Post 8vo. Illustrated with views and Sections, 

 12s. 6d. 



A FAMILIAR INTRODUCTION TO THE STUDY 

 OF POLARIZED LIGHT ; with a Description of, and 

 Instructions for Using, the Table and Hydro-Oxygen 

 Polariscope and Microscope. By CHARLES WOODWARD, 

 F.B.S. 8vo. Illustrated, 3s. 



A TREATISE ON THE PRODUCTION AND MA- 

 NAGEMENT OF FISH IN FRESH WATERS, by 



Artificial Spawning, Breeding, and Rearing : showing 

 also the Cause of the Depletion of all Rivers and Streams. 

 By GOTTLIEB Boccius. 8vo. 5s. 



