86 



THE PRACTICAL ENTOMOLOGIST. 



ADVEETISEMENTS. 



NOVELTY MICROSCOPE. 



PATENTED MAY 24, 1864. 



This ig the only Magnifying Glass ever invented which 

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Liberal terms to Agents and Dealers. 



Sent in a neat box, prepaid, to any part of the world, 

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GEORGE MEADE, 



Box 80, Racine, Wis. 



FIELD, FLOWER 



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GARDEN MANUAL FOR 1867, 

 and seven different catalogues furnished on application, 

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PASCHALL MOBRIS, Seedsman, 

 1120 Market St., Philad. 



WILLIAM HACKER, 



SOS is^-a.i^is:et sti^eet, 



PHILADELPHIA. 



Importer, Grower and Dealer 



In Field and Garden Seeds, Goodrich and other seedling 

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Descriptive circulars sent on application. 



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RHODE'S SUPER-PHOSPHATE, THE STANDARD 

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T> NEWELL, 



' LANDSCAPE PHOTOGRAPHER, 



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R. NEWELL, No. 724 ARCH St., Phila. 



THE AMERICAN NATURALIST: 



A Popular, Illustrated Monthly Magazine of Natural 

 History. 



Published hy the £:ssex Institute, Salem, Mass. 

 The object of this Journal is to supply a long-existing 

 demand for a Popular Illustrated Magazine of Natural 

 History, devoted to the exposition of scientific topics in 

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 difficult. 



Contents of Vol. I, No. 2.— April, 1867. 



The Moss-Animals, or Fresh Water Polyzoa, [with a 

 plate.) By Alpheus Hyatt. 



The Fertilization of "Flowering Plants. By J. T. Roth- 

 rock. 



Insects and their Allies, (with illustrations.) By A. S. 

 Packard, M. D. 



The American Silk Worm, [with illustrations.) By L. 

 Trouvelot. Continued. 



The Land Snails of New England, (with illustrations.) 

 By E. S. Morse. Continued. 



Reviews. — Preliminary Report of the Geological Sur- 

 vey of Kansas, by G. C. Swallow. Annual Report of the 

 Smithsonian Institution for 1865; The American Journal 

 of Conchology. 



Natural History Miscellany. Botany. — The Tertiary 

 Flora of Brognon, France; Drying Plants hy Heat — two 

 methods. Zoology. — Flights of Butterflies. Geology. — 

 The First appearance of man on our Planet; The Eozoon 

 in Austria. 



Correspondence. — Wasps as "Marriage Priests" to 

 Plants. Illustrated. 



Natural History Calendar. — New England Reptiles in 

 April; Ornithological Calender for April; The Insects of 

 Early Spring. 



Proceedings of Scientific Societies. 

 Glossary for the Number. 



Contents of Vol I, No. 3, May, 1867. 



Some Errors regarding the Habits of our Birds. By 

 Dr. T. M. Brewer. 



The Food of the Sea Urchin. By J. W. Dawson, LL. D. 

 Illustrated. 



The Moss Animals, or Fresh-Water Polyzoa. By Al- 

 pheus Hvatt. Continued. With a plate. 



The Land Snails of New England. By E. S. Morse. 

 Continued. Illustrated. 



The Tarantula Killers of Texas', {with a cut) By G. 

 Lincecum, M. D. 



The Birds of Spring. By J. A. Allen. 



The American Silk Worm. By L. Trouvelot. Conclud- 

 ed. With two plates. 



Reviews: Observations upon the Cranial Forms o£ the 

 American Aborigines, by J. A. Meigs, M. D. A Treatise 

 on some of the Insects Injurious to Vegetation, by T. W. 

 Harris, M. D. 



Natural History'Miseellany. Bnfany. — The May Flow- 

 er ; The agency of Insects in Fertilizing Plants. The an- 

 nual increase in the Circumference of Trees. Curious 

 Flower. Zoology. — A new Insect Box. (Illustrated.) Para- 

 sites of the Humble Bee; Habits of Carpenter Bees; Mi- 

 metic Forms among Insects. Geology. — The absence of 

 the Northern Drift Formation from the "Western Coast of 

 North America. Micro.%copy. — Test objects; Diatoms; 

 Methods of teaching Science. 



Correspondence. — Good Books on Natural History and 

 Taxidermy. 



Natural History Calender. — Ornithological for Mayj 

 The Insects of May. (Illustrated.) 



Scientific Exjjlorations. 



Proceedings of Scientific Societies. 



Glossary. 



TERMS : 

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The List of Uontrihutors imbraces the. best Scien- 

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 jZS^Prospectus sent on application to the Editors. 



