q q The middle thighs.

r r The hinder thighs.

s s The fore tibiæ.

t t The middle tibiæ.

u u The hinder tibiæ.

w w w w w w The tarsi.

x x x x x x The articulation of the tarsi with the tibiæ.

y y y y y y The articulation of the tibiæ with the femora, or thighs.

z z The hooks or claws, (ungues.)

Fig. IV. is inserted only to shew the three little eyes, which are placed in a triangular manner, and mentioned in some of the descriptions, viz. Plate [43]. Fig. 4, 5, 6, &c.