WE KEEP IN STOCK THE 



LARGEST STOCK OF NATURAL HISTORY MATERIAL 



OF ANY DEALER IN THE WORLD 



Circulars from our different departments sent free on request. 

 Let us know your needs. 



A FEW OF OUR RECENT CIRCULARS 



NS- 1 55 List of circulars and catalogues 



NS-150 Collections of Minerals and Rocks 



NS-115 " " Fossils 



NS-143 " " Insects 



NS-116 Biological Material for Dissection 



NS-99 Geological Models 



NS-L9 Microscope Slides 



NS-30 Entomological Supplies 



NS-140 Extinct Arachnid Models 



NS-146 Fossil Fish Restorations 



NS-94 Casts of Recent Fish and Reptiles 



NS-124 Mammal Skin List 



NS-149 Bird Skin List 



NS-152 " Egg List 



NS-144 Human Anatomical Models 



Ward's Natural Science Establishment 



84-102 College Ave. Rochester, N. Y. 



AQUATIC LIFE 



The only magazine in America devoted to the care 

 and breeding of native, foreign, gold and fancy 

 •fishes, aquatic plants, molluscs, and other animals 

 in the home aquarium. An illustrated monthly 

 journal edited by W. A. POYSER. 



Per Year $1.00 Single Copy 10c 



JOSEPH E. BAUSMAN, Publisher 



542 East Girard Avenue Philadelphia, Penna. 



Kindly mention Nature-Study Review when replying to advertisements 



