Bibliography and Index of the Sirenia and Desmostylia 
Schevill, William E.
1 publication
| Schevill, William E.; Watkins, W. A. (detail) | |
| 1965 | Underwater calls of Trichechus (manatee). Nature (London) 205(4969): 373-374. 3 figs. Jan. 23, 1965. —Presents behavioral observations and sound spectrograms of the calls of free and captive Florida manatees; no evidence of echolocation was detected. |