THE OTTAWA PAPER BOX CO. 



132 QUEEN STREET 

 OTTAWA 



Manufacturers of Riker Specimen Mounts, 

 Natural History Specimen Trays, Glass Topped Boxes, 

 Millboard Mailing Boxes, Tubes, etc. 



C. A. OLMSTED & SON 



Jewellers : Opticians : Watchmakers and Engravers 



Dealers in Fine Diamonds, Sterling Silver, 

 Electro Plated Ware and Rich Cut Glass. 



"THE STORE OF MODERATE PRICES" 

 208 SPARKS ST., OTTAWA Phone Queen 1430 



THIS SPACE FOR SALE 



Apply to 

 THE EDITOR, OTTAWA NATURALIST 



(Entomological Branch, Dept. Agr., Ottawa) 



L. C. SMITH & BROS. TYPEWRITER 



BUILT LIKE A WATCH 

 MOST POPULAR TYPEWRITER TO-DAY 



OTTAWA TYPEWRITER CO Limited 



THE NATURAL SCIENCE STORE 



Entomological, Botanical and Geological 

 Apparatus and Supplies 



VASCULUMS EXHIBITION MOUNTS INSECT BOXES 



ENTOMOLOGICAL PINS MAGNIFYING GLASSES RIKER MOUNTS 



ENTOMOLOGICAL STRETCHING BOARDS GEOLOGISTS' HAMMERS 



COLLECTING BOXES COLLECTING NETS MICROSCOPES 



KILLING VIALS KILLING BOTTLES DISSECTING SETS 



INSTRUMENT REPAIRS A SPECIALTY 



E. R. WATTS & SON, CANADA, LIMITED 



