Calvin and Hobbes by Bill Watterson for May 10, 1988
May 09, 1988
May 11, 1988
Calvin: Well, here's the complete skeleton as near as I can figure out. Try to draw the dinosaur as it really looked with muscles and skin. Hobbes: Right. Calvin: What's it doing? Whistling? Hobbes: You tell me. Maybe it's puckering up.