No. 381.] MOTES ON SOME EUROPEAN MUSEUMS. 705 
main gem collection. /. Collection of artificial minerals. This 
is in process of formation, a start having been made with a 
. magnificent set of artificial rubies, which were manufactured by 
the Frémy-Verneuil process. G. The Haiiy collection. This 
collection, which has great historical value, comprises several 
thousands of specimens labeled by the hand of the celebrated 
founder of crystallography, and is retained just as he left it. 
The great collection of meteorites is displayed in a case by 
itself. Most of the small specimens are mounted in wire holders 
attached to blocks. A printed label on the front of each block 
gives the history of the specimen in brief, z.e. the kind of 
meteorite, the date of fall, when known, and the locality where 
found. 
Geology. — The collection to illustrate stratigraphical geology 
occupies a series of flat-topped table cases running down the 
middle of the room containing the mineral collection. It is 
very full in specimens illustrating the geological features of 
central Europe. The Archzan is illustrated by means of speci- 
mens about 4 x 6 inches in size, of the principal varieties of 
rocks and of some of the results of dynamo-metamorphism. 
For the succeeding ages a synoptic collection of fossils is 
exhibited, together with specimens showing kinds of rocks, 
dynamic phenomena, etc. The arrangement is primarily chron- 
ologic, and under that is geographic. Plaster casts are intro- 
duced when good fossils are not available. Light-colored 
pasteboard trays are used for the specimens. The labeling is 
very complete. The gallery also of the mineral hall is devoted 
to geology, and contains a very large rock collection, besides 
the series of specimens upon which Daubrée and other French 
geologists have made their classic studies in experimental 
geology. In this part of the room also the labeling is very 
Satisfactory. The cases, however, are far from dust-proof, and 
fully one-fourth of the geological as well as the mineralogical 
exhibit is too high or too low for satisfactory inspection. 
Paleontology. — The extensive and important collections of 
vertebrate and invertebrate fossils occupy the main floor in a 
new building in the Jardin des Plantes, which was not yet open 
to the public at the time of my visit. Without going into a 
