INDEX OF AMERICAN AUTHORS. 641 



From Rnpp's History of Lancaster County, 334. 

 Monographie du genre Leptoxis, 333. 



HANCOCK, A. 



From Silliman's American Journal of Science, 488. 



HARRIS, T. M. 



From the Memoirs of the American Academy of Arts and Sciences, 

 546. 



HARTMAN, W. D. 



Catalogue of Mollusks of Chester County, &c, 160. 



HIGGINS, F. 



Catalogue of Ohio Shells, 249. 



HILDRETH, S. P. 



From Silliman's American Journal of Science, 9, 319, 331. 

 Catalogue of Shells of Marietta, 331. 



HODGE, J. T. 



From Appleton's Encyclopedia, 607. 



HOLMES, F. S. 



From the Proceedings of the Elliott Natural History Society, 243. 



HUBBARD, E. W. 



Catalogue of Shells of Ohio, 621. 



HUNT, W. 



The Cabinet of Nature and Philosophy, 486. 



"INVESTIGATOR." 



From the Monthly American Journal of Geology and Natural Science, 

 15. 



JACKSON, C. T. 



From the Proceedings of the Boston Society of Natural History, 359. 



JARVIS, J. 



From the Proceedings of the National Institute, 626. 



JAY, J. C. 



From Silliman's American Journal of Science, 487. 

 From the Annals of the Lyceum of Natural History of New York, 562. 

 From the Japan Expedition Report, 522. 

 Catalogue of Shells, 46, 52, 64, 172, 212, 214, 215, 486. 

 41 



