KNOBEL-S ILLUSTRATED GUIDE BOOKS 



To facilitate the Study of the Natural History of the North. 



1. Guide to Trees and Shrubs. 



2. The Ferns and Evergreens. 



3. Day Butterflies and Duskflyers. 



4. Beetles of New England and their Kind. 



5. The Night Moths of New England. 



6. Fresh=\vater Fishes of New England. 



7. Turtles, Snakes, Frogs and other Reptiles. 



8. Mosquitoes and Flies of the North. 



Each Fully Illustrated. Oblong, paper, net 50 cents. Cloth, net 75 cents. Other interesting volumes in preparation. 



Some Extra Good Books. 



" EVERY BIRD." By Reginald Heber Howe, Jr. Fully Illustrated - - $1.00 



GAME BIRDS OF NORTH AMERICA. By Frank A. Bates. Illustrated - 1.00 



SPARROWS AND FINCHES OF NEW ENGLAND. By C. J. Maynard. Colored Plates - 1.50 



KEY TO THE WATER-BIRDS OF FLORIDA. By Chas. B. Cory. Illustrated 1.75 



GOODALE'S WILD FLOWERS OF AMERICA. 51 Colored Plates - - 7.50 



EATON'S FERNS OF NORTH AMERICA. Si Colored Plates. 2 Vols. - - 40.00 



BRITTON & BROWN'S ILLUSTRATED FLORA OF THE NORTHERN U. S. 3 Vols. 9.00 



CHAPMAN'S FLORA OF THE SOUTHERN STATES. New Edition - - - 4.00 



IN PORTIA'S GARDENS. By Wm. Sloane Kennedy 



MOTHS AND BUTTERFLIES OF EASTERN NORTH AMERICA. By S. F. Denton 



1.50 



40.00 



BRADLEE WHIDDEN, PUBLISHER AND BOOKSELLER, 18 Arch Street, Boston, Mass. 



