SCIENTIFIC NEWS. 
Tue circulars of the Marine Biological Laboratory at Woods Holl 
have been issued. The elementary zoological course will be under 
the direction of Prof. James I. Peck, assisted by Messrs. Dalgren, 
Greene, Lefevre, Murbach, Packard, and White. The botanical 
work will be directed by Prof. Bradley M. Davis, with the assistance 
of Messrs. Moore, Caldwell, Harper, Fairchild, Webber, Swingle, 
and Mrs. Esten. Physiological studies will be directed ‘by Prof. 
Jacques Loeb, assisted by Messrs. Norman and Lyon. The work in 
elementary embryology will be in charge of Messrs. Lillie, Strong, 
Crampton, Treadwell, and Miss Clapp, while the zoological investi- 
gation will be conducted by Professors Ayers, Bumpus, Conklin, 
McMurrich, Metcalf, Morgan, and Morrill. New features are semi- 
nars in embryology and neurology, conducted by Drs. Conklin, Mor- 
rill, and Strong, and a course of instruction in methods of illustra- 
tion by Dr. Arnold Graaf. The laboratory intends to incorporate in 
its tenth report a historical sketch of the institution. The session 
for 1898 extends from June 29 to Anpa 10. The prices charged 
are the same as in previous years. 
It has been proposed to rebuild the museum at South Kensington, 
London, and Parliament will be asked to grant an appropriation 
of £3,000,000 for the purpose. 
The New York Public Library has received $10,000 from Mr. 
Jacob H. Schiff for the purchase of scientific works. 
Mr. George Sharman has resigned his position as paleontologist of 
the Geological Survey of Great Britain, and Mr. George K. Cherrie 
that of assistant director of ornithology in the Field Columbian 
Museum of Chicago. 
The Museum of Comparative Zoology has recently acquired a 
fossil ostrich egg from the neighborhood of Pekin, China. It has 
almost exactly the same dimensions as the Struthiolithus chersonensis 
of Brandt. 
For some time Science has been publishing a series of articles by 
different persons dealing with the question of the age of the imple- 
ments found in the Trenton gravels. The layman in such matters is 
left in doubt between the various conflicting claims, but with a gen- 
eral feeling that these relics cannot have the great age sometimes 
attributed to them. 
