270 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
12932 Placenticeras placenta DeKay. Plesiotypes. 
Eutaw beds (Upper Cretaceous). Green County?, Ala¬ 
bama. 
Hyatt, Monograph 44, U. S. geol. surv., 1903, p. 211. 
8577a Placenticeras syrtale halei Hyatt. Holotype. 
Eutaw beds (Upper Cretaceous). Green County?, Ala¬ 
bama. 
Hyatt, Monograph 44, U. S. geol. surv., 1903, p. 206, 
pi. 28, figs. 3, 4. 
8577 Placenticeras syrtale halei Hyatt. Paratypes. 
8577b Eutaw beds (Upper Cretaceous). Green County?, Ala¬ 
bama. 
Hyatt, Monograph 44, U. S. geol. surv., 1903, p. 206, 
pi. 27, figs. 16, 17; pi. 28, figs. 5, 6. 
12928 Placenticeras whitfieldi Hyatt. Cotype. 
Upper Cretaceous. Black Hills, South Dakota. 
Hyatt, Monograph 44, U. S. geol. surv., 1903, p. 221, 
pi. 46, figs. 1, 2. 
8614 Placenticeras whitfieldi Hyatt. Cotypes. 
8615 Upper Cretaceous. El Paso County, and 7 miles E. of 
12931 Fort Collins, Colorado; Cheyenne River and Black 
8529 Hills, South Dakota. 
12923 Hyatt, Monograph 44, U. S. geol. surv., 1903, p. 221. 
12926 
12927 
12929 
12930 
Pisces. 
3476 Clupea gracilis Meyer. Holotype. 
Molasse (Miocene). Unterkirchberg, Germany. 
Meyer, Jahrb. fur mineral., 1848, p. 780. 
= Clupea humilis Meyer. 
3476 Clupea humilis Meyer. Plesiotype. 
3472 Molasse (Miocene). Unterkirchberg, Germany. 
Meyer, Palaeontographica, vol. 2, pt. 3, Oct., 1851, 
p. 87, pi. 16, figs. 12, 13. 
