1886.] NATURAL SCIENCES OP PHILADELPHIA. 405 



The Albert coal, or Albertite of New Brunswick. 8vo, T, 



The Visitors' Guide to Amherst College. 8vo, T. 1862. 



Review of Lyell's Geological evidences of the antiquity of man. 8vo, 



T. 1863. 

 The elevation of mountains. 8vo, T. 1870. 

 The earlier forms of life. 8vo, T. 



The world before the introduction of life. 8vo, T. 1874. 

 Report on the Ammonoosic gold fields. 8vo, T. 1879. 

 First and second annual reports upon the geology and mineralogy of 

 the State of New Hampshire, 1867, 1870. Report during the year 

 1870 (imperfect), 1871, 1872. 8vo, T. 

 The geology of New Hampshire, Vol. HI, 1878, with folio Atlas. 



8vo, T. 

 Lenticular hills of glacial drift. 8vo, T. 1876. 

 Geological explorations in New Hampshire. 8vo, T. 1874. 

 The geology of the Ammonoosic mining districts. 8v6,*T. 1878. 

 The geology of northern New England, Maine, 1885 ; New Hampshire, 



1874 ; Vermont, 1872. 8vo, T. 1882. 

 The early history of the North American Continent. 8vo, T. 1883. 

 Description of geological sections crossing New Hampshire and Ver- 

 mont. 8vo, T. 1884. 

 Geological sections across New Hampshire and Vermont. 8vo, T. 



1884. 

 Geology of the White Mountains. 8vo, T. 

 Physical history of New Hampshire. 8vo, T. 1877. 

 The glacial flood of the Connecticut River Valley. 8vo, T. 1882. 

 The geological position of the Philadelphia gneisses. 8vo, T. 



The Author. 



Hitchcock, C. H., and J. H. Huntington. Geology of the northwestern 



part of Maine. 8vo, T. 1873. Prof. C. H. Hitchcock. 



Hoemes, R., und M. Auinger. Die Gasteropoden der Meeres-Ablagerungen 



der ersten und zweiten miocauen Mediterran-Stuife in der Oster- 



reichisch-Ungarischen Monarchic. 8vo, 1-3. 1879-81. 



I. V. Williamson Fund. 

 Hugounenq, L. Les Alcaloides d'origine animale. 8vo. Paris, 1886. 



I. V. Williamson Fund. 

 Hoofe, Aug. Lautuntersuchungen zu Osbem Bokenam's Legenden. 

 Inaug.-Dissert, phil. Facult. der Univ. zu Kiel. 8vo, T. 1885. 



University of Kiel. 

 Hooker, J. D. The Flora of British India. Part XIII. 8vo. London, 

 1886. E. Indian Government. 



Homaday, Wm. T. Two years in the Jungle. 8vo. New York, 1886. 



I. V. Williamson Fund. 



Hough, Franklin B. Historical sketch of the Universities and Colleges of 



the United States. 8vo, T, 1883. Department of the Interior. 



Hoy, P. R. How and by whom were the copper implements made ? Who 



built the mounds'? 8vo, T. Racine, 1886. The Author. 



Howes, G. B. An atlas of practical elementary biology. 4to. 1885. 



I. V. Williamson Fund. 

 Hubrecht, A. A. W. Proeve eener Ontwikkelingsgeschiedenis van Linens 



obscurus Barrois 4to, T. Utrecht, 1886. The Author. 



Hudson, C. T., and P. H. Gosse. The Rotifera ; or wheel-animalcules. 

 8vo, Pts. 1-5. I. V. Williamson Fund. 



Huergo, Luis A. Examen de la propuesta y projecte del Puerte del Sr. 

 D. Eduardo Madero. Discusion Franca, la and 2a Parte. Buenos 

 Aires, 1886. The Author. 



Humphrey, James Ellis. On the anatomy and development of Agarum 

 Turneri, Post, and Rupr. 8vo, T. June 16, 1886. The Author. 



