182 PB ACTIO AL ZOOLOGY. 



14. Insects Injurious to Fruits. Saunders. J. B. Lippincott 



&Co. $3.00. 



15. Vegetable Mould and Earthworms. Darwin. D. Apple- 



ton & Co. $1.50. 



16. The Naturalist's Assistant. Kingsley. Cassino. $1.50. 



17. Comparative Zoology. Orton. Harpers. $1.80. 



18. Seaside Studies in Natural History. Mrs. E. C. and 



Alexander Agassiz. Houghton, Mifflin, & Co. $3.00. 



19. Spiders, their Structure and Habits. Emerton. Cas- 



sino. $1.50. 



20. Life on the Seashore. Emerton. Cassino. $1.50. 



21. Manual of the Vertebrates. Jordan. Jansen, McClurg 



& Co. $2.50. 



22. Synopsis of the Fishes of North America. Jordan & 



Gilbert. 



23. Key to the Birds of North America. Coues. $10.00. 



24. The Butterflies of the Eastern United States. French. 



J. B. Lippincott & Co. $2.00. 



25. The Cat. Mivart. Scribners. $3.00. 



26. The American Naturalist. Cope & Packard. Monthly. 



$4.00 a year. 



