Dissection of the Platana and the Frog

by J. D. F. Gilchrist; Cecil von Bonde

First Day.

External Characters.

1. Make a drawing of the animal viewed from above, showing:—

(a) The nostrils.

(b) The eyes.

(c) The nictitating membrane and a short tentacle beneath the eye. [The tentacle is absent in the Frog.]

(d) The tympanic membrane, which is not shown in the Platana, but is well marked in the Frog.

(e) The opening of the cloaca.

(f) The limbs and their divisions.

(g) The skin with tube-like lines round the body. [In the Frog these lines are not present.]