Reference
| Title | Reports on the results of dredging by the United States coast survey steamer "Blake". IX. Preliminary report on the Echini |
| Type | Article |
| Authors(s) | Agassiz, A. |
| Year | 1880 |
| Periodical | Bulletin of the Museum of Comparative Zoölogy |
| Volume (issue) | 8 |
| Pages | 69-84 |