47 ----------------------------------------------- CASTS OF POLYTHALAMIA AND GUANO ----------------------------------------------- S P C 1049 1a Leon Springs, West Texas; U.S. Mexican Boundary Survey; no. 18; greensand casts S P C 1050 1b Leon Springs, West Texas; U.S. Mexican Boundary Survey; no. 18; greensand casts S P C 1051 2a Jackson, Mississippi S P C 1052 2b Jackson, Mississippi S P C 1053 3a Alabama; martix of Zygodon; casts of - S P C 1054 4a Charleston, South Carolina; 130 feet; by stage indicator S P C 1055 4b South Carolina; Eocene; greensand casts, with Ostrea sellaeformis S P C 1056 4c South Carolina; Eocene; greensand casts, with Ostrea sellaeformis S P C 1057 4d South Carolina; Eocene; greensand casts, with Ostrea sellaeformis S P C 1058 4e Drayton Hall, South Carolina; Eocene; casts of Polythalamia S P C 1059 5a North Carolina; Eocene; casts of Polythalamia, with Scutella lyelli S P C 1060 5b North Carolina; Eocene; casts of Polythalamia, with Scutella lyelli S P C 1061 5c North Carolina; Eocene; casts of Polythalamia, with Scutella lyelli S C 1062 5d North Carolina; Eocene; casts of Polythalamia, with Scutella lyelli S P C 1063 6a near Mount Holly, New Jersey; Cretaceous; casts of - S P C 1064 6b near Mount Holly, New Jersey; Cretaceous; casts of - S C 1065 6c near Mount Holly, New Jersey; casts of - S C 1066 7a Hessenberg, [Germany ?]; near Transverstein [?]; casts of Nummulites complanata; left by action of HCl S C 1067 7b Hessenberg, [Germany ?]; near Transverstein [?]; casts of Nummulites complanata