Natural History Material 



Popular andiScientific Collectionsi: 



We are prepared to furnish collections and exhibition specimens 

 covering all the branches of Natural Science. If interested write for 

 our circulars and catalogues. 



A FEW RECENT CIRCULARS 



NS-lOO List of circulars and catalogues 



NS-125 Life Histoiies of Insects of Economic Importance 



NS-88 Collections of Minerals and Rocks 



NS-115 Collections of Fossils 



NS-127 Sigmond's Histology Slides and Text 



NS-28 Biological Supplies 



NS-29 Microscope Slide? 



NS-134 Complete Trilobites 



NS-30 Entomological Supplies 



NS-ISS Bird Skin List 



NS-124 Mammal Skin List 



NS-94 Casts of Reptiles and Fishes 



NS-106 Lull's Palaeontological Restorations 



Ward's Natural Science Estabiishment 



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



LANTERN SLIDES 

 and PROJECTION 



For Nature-Study and Science Teachers 



Our Booklet, 

 Projection for 

 Science Teachers 

 and Lecturers, in 

 ^____________^_^___^____^^ addition to obser- 

 vations on projec- 

 tion, contains descriptive matter and lists of Fifteen Sets of 

 Educational Slides — more than 800 slides and over 

 4000 illustrations. 



This booklet will be sent to any one who will send name, position and 

 address plainly written, and mention Nature-Study Review, Address 



CONRAD SLIDE AND PROJECTION COMPANY 



4028 JACKSON BOULEVARD, CHICAGO 



I Authors and Manufacturers of the Conrad Slides) 



Kindly mention Nature-Study Review when replying to advertisements 



