29 books
On The Classification Of The Cetacea (1908)
Observations On Living White Whales, Delphinapterusleucas
Observations On The Life History Of The Bottlenose Porpoise (1890)
Description Of Two New Species Of Mammals From Mt. Kilima-Njaro, East Africa (1890)
A History of the First Half-Century of the National Academy of Sciences, 1863-1913