NATURAL SCIENCES OF PHILADELPHIA. 
455 
1889.] 
Esperanto, Dr. An attempt towards an international language. Warsaw, Rus>ia. 
Translated by Henry Phillips, Jr. 8vo T. New York, 1889. 
Angelo Heilprin. 
Etheridge, Robert. Fossils of the British Islands stratigraphically and zoologically 
arranged. Vol. I. 4to. Oxford, 1888. I. V. Williamson Fund. 
Ewing, Thomas, Address of, at the centennial celebration at Marietta, Ohio, July 
15th, 1888, of the settlement of the Northwest Territory. Second Edition. 
The Author. 
Eyerman, John. On the mineralogy of the French Creek Mines in Pennsylvania. 
Jan. 14, 1889. 
The mineralogy of Pennsylvania. Part I. 12mo. Easton, Pa., 1889 
The Author. 
Fabre, J. H. Souvenirs entomologiques. Etudes sur l’instinct et les moeurs des 
insects. 8vo. Paris, 1886. Harold Wingate. 
Fantuzzi, Marco G. Osservazioni geognostische sul coloramento di alcune pietre e 
sulla formazione di un agata che si trova nel Museo Ginanni di Ravenna. 
8vo T. Ravenna, 1857. Miss Frances Lea. 
Farlow, W. G. On some new or imperfectly known algae of the United States. I. 
The Author! 
Ficalho, Conde de. Flora dos Lusiadas. 8vo. Lisboa, 1880. 
Academy of Sciences of Lisbon. 
Finland. Finlands Geologiska Undersokning, Beskrifning till Kartbladet af. K. 
Ad. Moberg. Nos. 10, 11, with maps. The Survey. 
Fischer, J. G. Die Gehirnnerven der Saurier. 4to T. Hamburg, 1852. 
Miss Frances Lea. 
Fischer, P. Observations sur 1’Auricula (Alexia) denticulata. 8vo T. 1878. 
A. Heilprin. 
Fitzgerald, Desmond. Evaporation. 8vo T. 1886. The Author. 
Fischer, P. & H. Crosse. Mission Scient. au Mex. Rech. zool. 7me. Partie. 
Etudes sur les mollusques terrestres et fluviatiles,pp. 129—176, pis. 43—46. 
The Authors. 
Fletcher, L. The dilatation of crystals on change of temperature. 8vo Lon¬ 
don, 1883. The Author. 
Foord, Arthur H. Catalogue of the fossil cephalopoda in the British Museum. 
Parti. 8vo. London, 1888. Trustees of British Museum. 
Forel, F. A. Faune profonde du Lac Leman. 8vo T. Lausanne, 1874.. 
Miss Frances Lea. 
Forster, F. Annalesd’un physician voyageur. 8vo T. Bruges, 1851. 
Miss Frances Lea. 
Franchet, A. Plantae Delavayanse. Livraison I. 8vo. Paris. Purchased. 
Frazer, Persifor. An unjust attack. (Reply to articles concerning the American 
Committee of the International Congress, by Prof. J. D. Dana and Major J. 
W. Powell, in the American Journal of Science for December, 1888.) 8vo T 
Archaean characters of the rocks of the nucleal ranges of the Antilles. 8vo T. 
1888. The Author. 
Frederico, Leon. La lutte pour Pexistence chez les animaux marins. 8vo. Paris, 
1889. I. V. Williamson Fund. 
Fritsch, Dr. Karl v. Allgemeine Geologie. 8vo. Stuttgart, 1888. 
Fuchs, Theo. Die Salse von Sassuolo und die urgille Scagliose. 8vo T. Wien, 
1877. 
Ueber die Entstehung der Aptychenkalke. 8vo T. Wien, 1877. 
A. Heilprin. 
Gabon Congo. 8vo T. Paris, 1889. 
, Gassies, J. B. Des progres de la malacologie en France. 8vo T. Bordeaux, 
1858. Miss Frances Lea. 
Geinitz, Dr. H. B. Ueber die rothen und bunten Mergel der oberen Dyas bei 
Manchester. 8vo T. Dresden, 1889. The Author. 
Genet, E. C. Memorial on the upward forces of fluids and the applicability to 
several arts, sciences, etc. 8vo T. Albany, 1825. Miss Frances Lea. 
