1870.] 337 [Annual Report. 



The Geological Survey of Ohio; its Progress in 1869. By the same. Address 

 to the Legislature, February 7, 1870. 8vo. Pamph. New York. From the 

 Author. 



Observations on the Genus Unio. By Isaac Lea. Vol. in. Index to Vol. 

 xn and Supplementary Index to Vols, i-xi, Vol. n. 4to. Philadelphia, 1869. 



Notes on Microscopic Crystals included in some Minerals. By the same. 

 8vo. Pamph. Philadelphia, 1869. From the Author. 



Origine de la Navigation et de la Peche, par Gabriel de Mortillet. 8vo. 

 Pamph. Paris, 1867. 



L'Epoque quaternaire dans la Valle'e du P6. By the same. 8vo. Pamph. 

 Paris, 1864. From the Author. 



Morphologische, Anatomische und Physiologische Fragmente. Von Paul 

 Reinsch. 8vo. Pamph. Moskau, 1865. 

 Die Meteorsteine. By the same. 4to. Pamph. 1869. From the Author. 



First Annual Eeport upon the Geology and Mineralogy of the State of New- 

 Hampshire. By C. H. Hitchcock. 8vo. Pamph. Manchester, 1869. 



The Elevation of Mountains. By the same. 8vo. Pamph. Hanover, N. H., 

 1870. From the Author. 



On the Meteoric Stone which fell December 5th, 1868, in Franklin County, 

 Alabama. By George J. Brush. 8vo. Pamph. New Haven, 1869. 



On Durangite, a Fluo-arsenate from Durango in Mexico. By the same. 8vo. 

 Pamph. New Haven, 1869. From the Author. 



Additamenta ad Historiam Ophiuridarum. Af Chr. Fr. Liitken. 4to. 

 Pamph. Kjobenhavn, 1869. 



Om Ganoidernes Begrasndsning og Inddeling. By the same. 8vo. Pamph. 

 Kjobenhavn, 1869. From the Author. 



Intorno ad Alcuni Insetti perforatori dei Metalli. Memoria del Dottor Gian 

 Antonio Bianconi. 4to. Pamph. Bologna, 1867. 



Sul Rhynchoprion columbae Hermann o Argas reflexus Latr. By the same. 

 4to. Pamph. Bologna, 1867. From the Author. 



Description d'une nouvelle Espece Americaine du Genre Caiman (Alligator), 

 par M. Alf. Preudhomme de Borre. 8vo. Pamph. Bruxelles, 1869. 



Description d'un jeune Individu de la Dermatemys mawii. By the same. 

 8vo. Pamph. Bruxelles, 1869. From the Author. 



Report on the Waverley Gold District, with Geological Maps and Sections. 

 By Henry Youle Hind, M. A. 8vo. Pamph. Halifax, N. S., 1869. 



Preliminary Report on a Gneissoid Series underlying the gold-bearing Rocks 

 of Nova Scotia. By the same. 8vo. Pamph. Halifax, N. S., 1870. From 

 the Author. 



PROCEEDINGS B. S. K. H.— VOL. XIII. 22 DECEMBER, 1870. 



