Antelope (Fig. [391])

Mole (Figs. [367], [368])

Beaver (Figs. [372], [373])

Duckbill (Fig. [359])

Tapir (Fig. [384])

Dolphin (Figs. [379], [397])

Use chart of skulls and Figs. [381], [382], [395]–400 in working out this exercise.

Man’s dental formula is (M ⁵⁄₅, C ¹⁄₁, I ²⁄₂)2 = 32.

In like manner fill out formulas below:—

Cow(M—C—I—)2 =32
Rabbit(M—C—I—)2 =28
Walrus(M—C—I—)2 =34
Bat(M—C—I—)2 =34
Cat(M—C—I—)2 =30
Armadillo(M—C—I—)2 =28
Horse(M—C—I—)2 =40
Whale(M—C—I—)2 =0
Am. Monkey(M—C—I—)2 =36
Sloth(M—C—I—)2 =18
Ant-eater(M—C—I—)2 =0
Dog(M—C—I—)2 =42
Hog(M—C—I—)2 =44
Sheep(M—C—I—)2 =32