10 PROCEEDINGS OF THE NATIONAL MUSEUM VOL, 125 
Placobdella (Parabdella) aspera Moore 
Placobdella (Parabdella) aspera Moore, 1939c, p. 309, pl. 25 (figs. 5-7). 
Type material: Holotype, AMNH 2585, American Museum Lang- 
Chapin Congo Expedition, no. 100, Medje, Belgian Congo, May 1910, 
from crocodile no. 475. Paratypes, AMNH 2581, American Museum 
Lang-Chapin Congo Expedition, no. 100, Medje, Belgian Congo, 
May 1910, from crocodile no. 475, 14 specimens. Paratypes, USNM 
36362, American Museum Lang-Chapin Congo Expecition, no. 100, 
Medje, Belgian Congo, May 1910, from crocodile no. 475, 15 specimens 
(2 dissected). Paratypes, USNM 36430, American Museum Lang- 
Chapin Congo Expedition, no. 100, Medje, Belgian Congo, May 1910, 
from crocodile no. 475, 2 specimens (mounted, 1 slide). 
Remarks: Moore stated (p. 311) that there are 30 type-specimens. 
But 32 type-specimens are present or accounted for: Arnold Ross 
confirmed the presence of 15 in the AMNH, and there are 17 in the 
USNM collection. 
Protoclepsine Moore, 1898 
Protoclepsine sexoculata Moore 
Protoclepsine sexoculata Moore, 1898, p. 546, pl. 40 (fig. 1). 
Protoclepsis meyert Livanow, 1902, p. 346, pl. 13 (fig. 4). 
Theromyzon sexoculata.—Moore, 1924c, p. 346; 1936b, p. 191.—Harding, 1927, 
p. 82. 
Protoclepsis sexoculata.—Autrum, 1934, p. 274. [In Scriban and Autrum, 1932- 
1934.] . 
Theromyzon sexoculatum.—Autrum, 1936, p. 47. 
Type material: No type material was found. 
Type-locality: Bering Island, Commander Islands, Siberia. 
Oligobdella Moore, 1918 
New name for Microbdella Moore, 1900, preoccupied. 
Placobdella auroguttata 
Placobdella auroguttata Moore, 1939c, p. 317, pl. 26 (fig. 21). 
Type material: Holotype, BMNH 1933.1.21.34, Station 123A 
no. 1, Kibero, SE shore, Lake Albert, Uganda, April 1928, E. B. 
Worthington collector. 
Placobdella mexicana Moore 
Placobdella mexicana Moore, 1898, p. 550, pl. 40 (fig. 3). 
Haementeria (Placobdella) mooret.—Autrum, 1936, p. 70, fig. 40. [New name for 
Haementeria mexicana (Moore, 1898), preoccupied.] 
Type material: No type material was found. 
Type-locality: Mexico. 
