NO, 8664 MOORE ON THE HIRUDINEA—MEYER 23 
But 24 type-specimens are present or accounted for: R. W. Sims 
confirmed the presence of 20 in the BMNH, and there are 4 in the 
USNM collection. 
Dina aneculata Moore 
Dina anoculata Moore, 1898, p. 558; 1918, p. 659; 1959, p. 556. 
Dina (Dina) anoculata.—Soés, 1966b, p. 387. 
Type material: Syntype, USNM 4844, San Diego County, Cali- 
fornia, O. R. Orcutt collector, specimen sectioned (sagittal). 
Dina bucera Moore 
Dina bucera Moore, 1949, p. 38; 1953, p. 9, pl. 1 (fig. 4), text-fig. 2. 
Mooreobdella bucera.—Moore, 1959, p. 555.—Mann, 1962, p. 167. 
Dina (Mooreobdella) bucera.—Soés, 1966b, p. 3738. 
Type material: Holotype, USNM 36370, permanent pond on Platt 
Road, 7.5 miles from Ann Arbor, Mich., April 1941, R. Kenk collec- 
tor. Paratypes, USNM 36371, permanent pond on Platt Road, 7.5 
miles from Ann Arbor, Mich., April 1941, R. Kenk collector, 2 
specimens (1 dissected). Paratypes, USNM 36372, temporary pond 
on W side of U. S. Highway 23, about 5.5 miles SE of Ann Arbor, 
Mich., April 1941, R. Kenk collector, 11 specimens. Paratypes, 
USNM 36373, temporary pond on W side of U.S. Highway 23 about 
5.5 miles SE of Ann Arbor, Mich., December 1941, R. Kenk collector, 
4 specimens. Paratypes, USNM 36374, temporary pond on W side 
of U.S. Highway 23, about 5.5 miles SE of Ann Arbor, Mich., May 
1941, R. Kenk collector, 14 specimens. Paratype, USNM 36375, 
permanent pond on E side of Platt Road about 7.5 miles SSE of 
Ann Arbor, Mich., May 1941, R. Kenk collector. 
Dina dubia Moore and Meyer 
Dina dubia Moore and Meyer, 1951, p. 70, pl. 9 (figs. 6-7).—Moore, 1959, p. 
556. 
Dina dubia Moore [sic].—Oliver, 1958, p. 163. 
Dina (Dina) dubia.—So6s, 1966b, p. 387. 
Type material: No type material was found. 
Type-locality: Outpost Island, Great Slave Lake, Northwest Terri- 
tories, Canada, in shallow water. 
Dina microstoma Moore 
Dina microstoma Moore, 1901a, p. 537, pl. 47 (fig. 37); 1906, p. 163; 1908, p. 
200; 1918, p. 659; 1936c, p. 114.—So6s, 1963, p. 259. 
Erpobdella (Mooreobdella) microstoma.—Pawlowski, 1955, p. 5. 
Mooreobdella microstoma.—Moore, 1959, p. 555.—Mann, 1962, p. 167. 
Dina (Mooreobdella) microstoma.—Soés, 1966b, p. 389. 
Type material: No type material was found. 
Type-locality: Illinois. 
