"Especially Natural History Books." 



SOME NEW SPRING BOOKS. 



The right Bird Book at last.— 



Field Key to the Land Birds. In 9 Plates. Written 

 and illustrated by Edward Knobel, with 150 Figures 

 in colors. i6mo. Cloth, net, $1.75 



Grasses, Sedges and Rushes of the Northern United 

 States. An illustrated guide to all our native grasses. 

 By Edward Knobel. With 28 full page plates. 



i2mo. Cloth, net, $1.00 



In the Acadian Land: Nature Studies. A new book 

 of Essays on Nature, by Robert R. McLeod. Illus- 

 trated. i6mo. Cloth, net, 75 cts. 



Illustrated Guides in Natural History, 



BY EDWARD KNOBEL. 



Each Book Complete In Itself. 



The Trees and Shrubs, 



The Ferns and Evergreens, 



Day Butterflies and Duskflyers, 

 The Night Moths, 



Fresh Water Fishes, 



Beetles and their Kind, 



Turtles, Snakes, Frogs etc. 

 Flies and Mosquitoes. 

 Each oblong, i2mo., paper, 50 cts., cloth, 75 cts. 



Life on the Seashore. Emerton. $1.50 



Sea Mosses: A Collector's Guide. Hervey. $2.00 



ZMZ-AJSTX" OTHEE GOOD BOOKS. 

 g^*SEND FOR LIST OF PUBLICATIONS. 



For Sale by all Booksellers, or sent by the Publisher, 



Bradlee Whidden, 



18 AECH ST., BOSTOIT, MASS. 



