W. WATSOXC $> sons, 



Manufacturers and Importers of 



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



251 SWANSTON ST., MELBOURNE 



(And at High Holborn, London), 



_ KE2ESP tHe LARGEST and BEST STOCK — 



OF 



(Optical axxh gktmttftc gnsttrument* 



In the Coloniesa 



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. 



