W. WATSOXC ^ sons, 



Manufacturers and Importers of 



Optical •> and •:• Photographic •:• Instruments, 



251 SWANSTON ST., MELBOURNE 



(And at Sigh Holborn, London), 



— ICESEiP the LARGEST £tn.d BEST STOCK — 



OF 



©ptttal anb Scientific &n$tvnment& 



Ixx the Colonies. 



Field Naturalists' Collecting Rods, jointed, with Two Bottles, Drag Hooks, Line and 

 Reel, Ring for Net, Spoon, and Cutting Hook. Each, £i. 



Illustrated Catalogue of Microscopes and Classified List of Micro. Objects 

 sent post free to any address on application. 



THIS SPACE TO LET. 



