1857 – 1942
Bibliografía (13 obras)
Annelids, parasitic worms, Protozoans, etc. Part A
1997
Records of spring migration of birds at Urbana, Illinois, 1903-1922
1930
An account of changes in the earthworm fauna of Illinois and a description of one new species
1928
The calciferous glands of Lumbricidae and Diplocardia
1923
Distribution of the fresh-water sponges of North America
1921
A new North American oligochaete of the genus Haplotaxis
1918
Two new varieties of earthworms with a key to described species in Illinois
1915
Two new species of Lumbricidae from Illinois
Some new Illinois Enchytraeidæ
1913
... Notes on species of North American Oligochaeta
1896
Notes on species of North American Oligochæta
1895
A preliminary account of two new Oligochaeta from Illinois
The gastrulation of Aurelia flavidula, Pér. & Les
1891
