Back caption: Opened as an aquarium under city management in 1896. Transferred to the New York Zoological Society in 1902. Averages about 5,000 specimens of 200 species. Average daily attendance since 1902, 5,500. Attendance 1927, 2,239,305. Open daily. Free Hours 9 A.M. to 4 P.M., October-March; 9 A.M. to 5 P.M., April-September.