354- ORTSMOLOGY. 
3. Acquired (Acquisiti). Legs which the insect has 
not in its Jirst state, but which it acquires subse- 
quently. — Ex. Abdominal legs in Scolopendra, lu- 
lus, &c. 
D. Denomination. 
1. Fore-Legs (Antici). The Jirst pair. Taken by 
themselves called Arms (Brachia). 
2. Anterior (Anteriores). The two Jirst pair of legs. 
3. Mid-legs {Intermedii). The middle pair of legs. 
4. Hind-legs [Postici). The last pair of legs. 
5. Posterior (Posteriores). The /wo last pair of legs. 
6. Abbreviate (Abbreviati). Legs with an imperfect 
tarsus. — Ex. Vanessa. 
7. Ambulatory (Ambulatorii). When the tarsi have 
a spongy sole. — Ex. Chrysomela. 
8. Cursorious (Cursorii). When, the fore tarsi of some 
males excepted, they have not a spongy sole. — Ex. 
Carabus, Cicindela. Plate XIV. Fig. 7. 
9. Saltatorious (Saltatorii). When the hind-legs 
have strong incrassated thighs formed for leajring. 
— Ex. Haltica, Orchestes, the Locustina. Plate 
XIV. Fig. 5. 
10. Natatorious (Natatorii). When the legs are com- 
pressed or ciliated, and formed for swimming. — Ex. 
Dytiscus, Gyrinus, Notonecta. Plate XIV. Fig. 6. 
11. Motatorious (Motatorii). Legs, which when the 
insect is at rest, are in a perpetual vibratory mo- 
tion. — Ex. Tipula. 
12. Fossorious (Fossorii). Leg with either palmate or 
digitate tibiae. — Ex. Scarites, Clivina, Gryllotalpa. 
Plate XV. Fig. 5, 6. 
13. Raptorious (Raptorii). When the strong por- 
