METEORITE COLLECTION—HANDBOOK AND CATALOGUE. 31 
that if the interior were iron up to within 500 miles of the surface it 
would give to the earth its present density, and the outflow of iron 
at Greenland makes such a constitution seem very probable. . 
Since this material, too, so closely resembles the meteoric irons 
in constitution, and since basalts and peridotic rocks are found upon 
the earth which are analogous in constitution to many of the aerolites, 
it further seems probable, as pointed out by Daubrée, that tthe dif- 
ferent meteorites represent in epitome the structure and constitution 
of the earth as a whole and that study of these is equivalent to pene- 
trating by aside glance into the inaccessible depths of our own sphere. 
Certainly, so far as present investigations have gone, a wonder” 
ful similarity in the constitution of the bodies of-the universe is indi- 
cated, which may well lead to the belief that all knowledge gained 
regarding extra-terrestrial bodies but increases our sources of inform- 
ation concerning the history and structure of the earth itself. | 
BIBLIOGRAPHY. 
For information in greater detail in regard to the subjects dis- 
cussed in the foregoing pages, the reader will find the following 
works useful. 
For lists of meteorites with localities and dates, see: 
Catalogue of All Recorded Meteorites, witn a Description of the Spect- 
mens in the Harvard College Collection. O. W. Huntington. 
Reprinted from Proc. Am. Acad. of Arts and Sci., 1887. 
Die Meteortten in Sammlungen, thre Geschichte, mineralogische und 
chemische Beschaffenheit, Otto Buchner, Leipzig, 1863. 
Die Meteoritensammlung des k. k. mineralogischen Hofkabinetes in Wren, 
am I Mai, 1885. Aristides Brezina, Vienna, 1885. 
An Introduction to the Study of Meteorites, with a List of the Meteorites 
Represented in the Collection of the British Museum. WL. Fletcher, 
London, 1890. 
Guide dans la Collection de Météorites du Muséum ad’ Histoire Naturelle. 
Paris. Paris, 1889. 
The Meteorite Collection in the U. S. National Museum, F. W. Clarke. 
From the Report of the Smithsonian Institution, 1885-86. 
Catalogue of the Collection of Meteorites in the Peabody Museum of 
Yale College. E.S. Dana. American Journal of Science, Ap- 
pendix to Vol. 32, 1886. 
