BOOKS 



WILLIAM J. GERHARD, 



2209 CALLOWHILL STREET, PHILADELPHIA, PA, 



i the following at affixed net prices. Extended catalogue 

 ooks and pamphlets in all brunches of natural history post-free on request : 



American Journal of Conchology. 7 vols., partly bound 



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



(3 vols, somewhat waterstained) 



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

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



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



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



Annuaire du Musee Zoologique de 1' Acad6mie des Sciences, St. Peters- 



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



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

 DeKay. Zoology of New York -Birds. 4to. Cloth. 141 colored plates 

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



1862-67. Half calf, 75 plates and map 



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



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



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



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



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



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



of the United States. 1834. Half roan. Rare 



itchard, A. History of Infusoria, including Desmidiaeeae and Diatom- 



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



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



vols. 5, 10, 11, 12, 16, 17, 20, 21), partly bound 16.00 



ports of Explorations and Surveys . . . for a railroad from Miss. 



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



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



werly and Lear. Tortoises, terrapins and turtles drawn from life. 



Small folio, 1872. Half morocco, 60 6nely colored plates 



* 1 - \ ' i !. } , r- ^ , • • v > ' " • - l ' 



•ansactions Geological Society of Pennsylvania. 1 vol. (1835.) All 



