Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz

by John M. Legler

Fig. 1. Left ovary of mature female, prior to ovulation, May 15, 1956 (× 1).

Fig. 2. Fresh corpus luteum, June 2, 1956 (× 4½).

Fig. 3. Testes of mature male, August 31, 1955 (× 1). Fig. 4. Testes of mature male, April 14, 1956 (× 2).

Fig. 5. Left ovary of subadult female (seven years old, plastral length, 114 mm.) that would have matured in approximately one year (× 1½).

Fig. 6. Left ovary of juvenal female (11 years old, plastral length, 95 mm., × 1½).

PLATE 21

Fig. 1. A trial nest cavity excavated by a gravid T. o. ornata at the Damm Farm on June 8, 1956. The cavity was situated at the edge of a grassy area on the upper rim of a ravine embankment. Twelve-inch ruler shows scale.

Fig. 2. A depression, resulting from an old post-hole, showing the openings made by three box turtles as they left their hibernacula in April, 1956 (photographed May 15, 1956). Twelve-inch ruler shows scale.