No. 3.
Leopard. Ape. Cat. Bat. Badger. Saw-fish. Rabbit. Grebe. Hen. Herring.
No. 4.
| L | E | I | S | U | R | E | ||
| P | F | O | U | N | D | L | ||
| A | L | E | R | A | K | I | ||
| S | A | A | R | B | I | B | ||
| S | Y | N | C | O | P | A | T | E |
| I | E | T | G | T | E | R | ||
| V | D | C | A | T | S | A | ||
| E | P | I | T | C | H | L | ||
| L | I | B | E | R | T | Y |
No. 5.
| T | R | E | E |
| R | I | G | A |
| E | G | G | S |
| E | A | S | T |
The following is the solution of Railroad Puzzle, on page 624:
1. The "first half" of the passenger train (including the engine) goes down, and backs up on the switch.
2. The freight train goes up by the switch, and lets the "first half" of the passenger train out on the main track below.