| Publication Type: | Book |
| Year of Publication: | 1943 |
| Authors: | E. S. Ross, Roberts H. R. |
| Number of Pages: | iv + 44 pp. |
| Publisher: | The American Entomological Society, the Academy of Natural Sciences |
| City: | Philadelphia |
| Full Text |
| Publication Type: | Book |
| Year of Publication: | 1943 |
| Authors: | E. S. Ross, Roberts H. R. |
| Number of Pages: | iv + 44 pp. |
| Publisher: | The American Entomological Society, the Academy of Natural Sciences |
| City: | Philadelphia |
| Full Text |