BOOKS' 



WILLIAM J. GERHARD, 



2209 CALLOW HILL 5TRE 



' offers the following at affixed net prices. Extended ci 

 books and pamphlets in all branches of natural history po?t-free on reqm 



rial of Conchology. 7 vols., partly bound 



srican Journal of Science. Second Series, volumes 1-10. Half roan 



(3 vols, somewhat waterstained) 



jralogical Journal (Bruce). 1 vol., 1814. New half morocco 



4. American Monthly Microscopical Journal, vols. 1-20 (1888-1899), of which 



14 vols, are half roan 



5. American Naturalist, vols. 1-6 (1868-72) 



6. Annals N. Y. Academy of Science, vols. 4-14 (1887-1898). Cloth 



7. Annuaire du Musee Zoologique de 1' Academic des Sciences, St. Peters- 



bourg, vols. 1-7 (1896-1902), lacking one number of vol. 1 



8. Bulletin American Museum of Natural History, vols. 1-11 (1887-1901) ... 



9. De Kay. Zoology of New York— Birds. 4to. Cloth. 141 colored plates 



10. Gaudry, A. Animaux fossiles et geologie de l'Attique. 2 vols., folio, 



1862-67. Half calf, 75 plates and map 



11. Harlan, R. Medical and physical researches, etc. 1835. Cloth 



12. Journal and Proceedings Royal Society of New South Wales, vols. 11 



(1877) to 23 (1890), except vol. 14. Partly bound in cloth 



13. King, C. United States Geological Exploration of 40th Parallel. Com- 



plete set, 7 vols., quarto, cloth, and two folio atlases 



14. Microscope (The), vols. 4-11. 8 vols, in four. Half roan 



15. Morton, S. G. Synopsis of the organic remains of the cretaceous group 



of the United States. 1834. Half roan. Rare 



16. Pritchard, A. History of Infusoria, including Desmidiaceae and Diatom- 



aceae. Fourth (last) edition. 1861. Half morocco 



17. Proceedings Lit. and Philos. Society of Liverpool, vols. 1-34 (except 



vols. 5, 10, 11, 12, 16, 17, 20, 21), partly bound 



18. Reports of Explorations and Surveys . . . for a railroad from Miss. 



River to Pacific Ocean. 13 vols. 4to. Bound 



19. Smithsonian Miscellaneous Collections, vols. 1-6 (1861-67). Scarce 



20. Sowerly and Lear. Tortoises, terrapins and turtles drawn from life. 



Small folio, 1872. Half morocco, 60 finely colored plates 



21. Transactions American Entomological Society, vols. 1-6. Bound. Scarce 



22. Transactions Geological Society of Pennsylvania. 1 vol. (1835.) All 



issued. New half morocco. Rare 



23. Winter, G. Die Pilze Deutschlands, etc., vols. 1 and 2 (1884-87). 



