| Publication Type: | Book Chapter |
| Year of Publication: | 1919 |
| Authors: | H. von Ihering |
| Book Title: | Primera reunion de la sociedad Argentina de ciencias naturales. Tucumán 1916 |
| Pagination: | pp 329-350, pls. 37-38 |
| Publisher: | Imprenta y Casa Editora “Coni” |
| City: | Buenos Aires |