140 Scientific News. [ February, 1879. 
Frenchman, who observed small brown points on the surface of 
the diatom, which have extraordinary agility, and by means of 
their long flexible appendices explore all parts of the frustule. 
— Herr Naumann, a German geologist in Japan, has lately 
Spire a work on the earthquakes and volcanic eruptions of 
Ja Ball publishes, in the Geological Magazine for 
fandan an A aihjsirakad article on the volcanoes of the bay of 
Bengal, correcting some current errors in regard to them. 
— We have had an opportunity of examining some excellent 
photographs by Mr. Franklin C. Hill, of Princeton, New Jersey, 
illustrating the external anatomy of Har palus caliginosus and 
Lucanus cervus; they are about six inches long. Each appendage 
and joint, as well as the veins of the wings and the different parts 
of the body are labeled, so that they are excellent diagrams for the 
beginner in entomology. The upper and under side of the body 
is represented, there being four photographs in all, at fifty cents 
each. 
— A writer in Scribner s Monthly refers to the protective color- 
ation of the Caribou, stating that the quiet gray color is wel 
adapted to conceal its presence from the hunter, and that it 
requires an educated eye to pick out its form on the heathy bar- 
ren where everything assimilates to it in color. “ The Indians 
are so well aware of this, that they always approach a barren with 
extreme caution, always traveling down wind, and never discon- 
certed if game is not sighted at once. Nor is the case improved 
. when one comes to hunt for them in the forest; there, the gray — 
tree-trunks and tangled undergrowth make it extremely difficult 
to see them,’ 
— M. Charles Barrois,pf Lille, France, the author of the elaborate — : 
treatise on sponges, which appeared two years since, is now in this 
country studying the geology of the United States east of the 
plains. Hereafter M. Barrois will devote himself to palzon- 
tology and geology, while his brother, M. J. Barrois, the author 
of the exquisite works on the embryology of nemertean worms _ 
and Aiat will continue his zoôlogical studies. 
— regret to notice the suspension of Field and Forest, 
edited by Charles R. Dodge.. It was the bulletin of the Potomac- — 
side Naturalists’ Club. The number for April, May and June, 
only lately received, closes volume third, and contains an index. 
— Mr. Xenos Clark, of San Francisco, writes us that he is : 
endeavoring to establish a Biological Laboratory at or near that — 
city. Such an institution would be most desirable, and it is to be _ 
hoped will meet with liberal support. 
— The museum of Brown University has secured through the 2 
generosity of the Senior Class of 1878, the skin of a Baffins — 
Bay walrus, which has been admirably mounted by Professor 
Ps, and is now on exhibition. 
