A GORILLA TRAINED TO KILL! (original poster - all caps)
BARBARIC THRILLS! Primitive pulse-pounding excitement! Savage combat with native warriors! Hair-raising encounters with man-eating beasts!
The First Great Talking Wild Animal Serial!
A THOUSAND THRILLS...IN THE WILDEST COUNTRY ON EARTH! (original poster-all caps)
AMAZING ADVENTURE in the LOST VALLEY OF THE MOON! (original poster)