BROOKLYN MUS. .SCI. HILL 
N'OLUME 3 PLATK 3 
I. Blue shark (/^rio/icic-rj^/aino) attacking the carcass of a sperm whale during the 
"cutting in." Photographed in the tropical Atlantic, August 22, 1912, by R. C. Murphy. 
2. Jaws of a twelve-foot white shark {^Carcharodon carcharias) in the Brooklyn Museum. 
The rows of reserve teeth may be seen distinctly in the lower jaw. At the left, two teeth 
of this species are compared with a tooth of the extinct shark {C. megalodou), a species 
believed to have equalled in size the largest w'hales. 3. Brown sharks [Carc/iar/jiims 
liiUberfi). Photographed in the Great South Bay by Edwin Thorne. 
