12 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 125 
Placobdella unita Moore 
Placobdella unita Moore, 1958, p. 320, pl. 8 (figs. 12-13), text-fig. 6. 
Type material: Syntypes, USNM 36388, no. 3, Camaeis, Southwest 
Africa, from the reptile Pelomedusa subrufa (=P. galeata), 1925, 
R. F. Lawrence collector, 2 specimens, incomplete (cut parasagitally, 
only larger pieces present). Syntypes, USNM 36389, no. 26, Albert 
Falls, Natal, University of Natal, Zoological Survey, from the reptile 
Pelusuos sinuatus, 15 specimens. Syntypes, USNM 36418, no. 3, 
Camaeis, Southwest Africa, from Pelomedusa subrufa (=P. galeata), 
1925, R. F. Lawrence collector, 2 specimens-+ ocular region of a 
third, mounted (1 slide). Syntypes, USNM 36419, no. 26, Albert Falls, 
Natal, University of Natal, Zoological Survey, from Pelusuos sinuatus, 
4 specimens, mounted (1 slide). Syntypes, USNM 36420, no. 3, 
Camaeis, Southwest Africa, from Pelomedusa subrufa (=P. galeata), 
1925, R. F. Lawrence collector, 2 specimens, sectioned (both sagittal). 
Family PisciIcoLIDAE 
Austrobdella anoculata Moore 
Austrobdella anoculata Moore, 1940, p. 520, figs. 1-4.—Ingram, 1957, p. 204. 
Type material: Holotype, USNM 20573, between Capes Alexander 
and Chalon, NW Greenland, 25-40 fms, August 1937, R. A. Bartlett 
collector. Paratype, USNM 36406, between Capes Alexander and 
Chalon, NW Greenland, 25-40 fms, August 1937, R. A. Bartlett 
collector, specimen sectioned (transverse). 
Branchellion lobata Moore 
Branchellion lobata Moore, 1952a, p. 36, figs. 1, 7b, 8, 9.—Ingram, 1957, p. 213. 
Type material: Holotype, USNM 36379, Pacific Grove, Calif., 40- 
60 fms, from the fish Triakis henlei, March 1929, E. F. Ricketts 
collector. Paratypes, USNM 36380, Pacific Grove, Calif., 40-60 fms, 
from Triakis henler, March 1929, E. F. Ricketts collector, 4 specimens 
(1 dissected). Paratypes, USNM 36381, Pacific Grove, Calif., 40-60 
fms, from the fish Squalus acanthias (=S. sucklii), April 1929, E. F. 
Ricketts collector, 2 specimens. Paratype, USNM 36382, off San 
Francisco, Calif., from Squalus acanthias (=S. sucklii), February 1941. 
Paratypes, USNM 36410, Pacific Grove, Calif., 40-60 fms, from 
Triakis henlei, March 1928, E. F. Ricketts collector, 4 specimens (2 
slides). Paratypes, USNM 36411, Dillon Beach, Calif., from the fish 
Squatina californica, E. C. Dougherty collector, specimen mounted. 
Paratype, USNM 36412, Pacific Grove, Calif., February 1928, E. F. 
Ricketts collector, specimen sectioned (anterior half, sagittal; 
remainder, transverse). 
