1891.] Proceedings of Scientific Societies. 507 
SCIENTIFIC NEWS. 
The Boston Marine Biological Laboratory makes the fol- 
lowing announcement for its fourth season:—Corps of instructors: 
Director, Dr. C. O. Whitman, Professor of Zoology, Clark University, 
editor of the Journal of Morphology; E. G. Gardiner, Instructor in 
Zoology, Massachusetts Institute of Technology ; J. Playfair McMurrich, 
Docent in Zoology, Clark University ; T. H. Morgan, Bruce Fellow, 
Johns Hopkins University; W. M. Wheeler, Fellow in Biology, Clark 
University; H. C. Bumpus, Assistant Professor of Zoology, Brown 
University; W. M. Rankin, Instructor in Zoology, Princeton Col- 
lege. Ryoiche Takano, Artist; G. M. Gray, Laboratory Assistant ; 
J. J. Veeder, Collector. 
In addition to the regular courses of instruction in zoology, botany, 
and microscopical technique, consisting of lectures and laboratory 
work under the direct and constant supervision of the instructors, there 
will be two or more courses of lectures on special subjects by mem- 
bers of the staff. One such course of six lectures will be given by 
Dr. McMurrich on the Ctenophora and the Turbellaria. Similar 
courses on the Mollusca, Crustacea, and Echinodermata will be given 
by Professor Bumpus and Dr. Rankin. 
The laboratory is located on the coast at Wood’s Holl, Massa- 
chusetts, near the laboratories of the United States Fish Commission. 
The building consists of two stories,—the lower for the use of teachers 
and’students receiving instruction, the upper exclusively for investi- 
gators. The laboratory has aquaria supplied with running sea-water, 
boats, a steam launch, collecting apparatus, and dredges; it is also 
supplied with reagents, glassware, and a limited number of microtomes 
and microscopes. By the munificence of friends the library will be 
provided henceforth not only with the ordinary text-books and works. 
of reference, but also with the more important journals of zoology and 
tany, some of them in complete series. 
The laboratory for investigators will be open from June rst to August 
29th. It is fully equipped with aquaria, glassware, reagents, etc., but 
microscopes and microtomes will not be provided. In this department 
there are fourteen private laboratories supplied with aquaria, running 
water, etc., for the exclusive use of investigators, who are invited to 
carry on their researches here, free of charge. Those who are pre- 
pared to begin original work, but require supervision, special sugges- 
