The aquarium, p. 113--The arrangement of the tanks and exhibits, p.
114--The submarine effect of this arrangement, p. 115--Appearance of the
submarine dwellers in their natural surroundings, p. 116--The eels and
cuttle-fishes, p. 116--The octopuses, p. 117--The technical department
of the laboratory, p. 119--The work of Dr. Anton Dohrn, founder of the
laboratory, p. 121--The associates of Dr. Dohrn, p. 122--The collecting
of surface specimens, p. 123--Collecting specimens by dredging, p.
124--Fauna of the Bay of Naples, p. 124--Abundance of the material for
biological study, p. 125--Advantages offered by marine specimens for
biological study, p. 126--Method of preserving jelly-fish and similar
fragile creatures, p. 127--Uses made of the specimens in scientific
study, p. 128--Different nationalities represented among the workers at
the laboratory, p. 130--Methods of investigation, p. 131--Dr. Diesch's
studies of heredity at the laboratory, p. 131--Other subjects under
scientific investigation, p. 132--The study of chromosomes, p.
133--Professor Weismann's theory of heredity based on these studies,
p. 33--Experiments in the division of egg-cells, p. 134--Experiments
tending to refute Weismann's theory, p. 136--Dr. Dohrn*s theory of
the type of the invertebrate ancestor, p. 137--Publications of the
laboratory, p. 139--Meetings of the investigators at Signor Bifulco's,
p. 141--Marine laboratories of other countries, p. 142.