One Panel #404-405: A Couple Things You Didn't Know About Batman

From Batman: "Hook Morgan and His Harbor Pirates" by Bill Finger, Bob Kane, Jerry Robinson and George Roussos, Detective Comics #54 (August 1941)

One: He is very bat-like.

Oh. You knew about this? Okay. How about this one?

From "Murder on Parole" by Bill Finger, Bob Kane, Jerry Robinson and George Roussos, Batman #6 (September 1941)

Two: He throws a mean bolt of silk! Ah, got you there, didn't I?