546 



ZOOLOGY 



SECT. 



exceptionally among Amphipods is broad and depressed and 



the legs curiously swollen. 



3. C s (arella 



-^-_-^' 



2. C y a m u s 

 KM.. 43:i. Amphipoda. 3, a, male ; /, female. (After Gerstaecker, and Bate and Westwood.) 



Among the Isopoda, one of . the most interesting forms is the 

 common Wood-louse (Fig. 434, 1), which is almost unique among 

 Crustacea tor its perfect adaptation to terrestrial life. The allied 



2. Armadillo 



l-'ic.. 43-!. Isopoda. ..'.".entire animal; '-. ]>"?-ten<>r end with attached male(<); Sa larva 

 7 nlult female. (After I 'uvier, Clans. ;in<l (ier.-taecker 1 



/ 



s '' (Aniiin/i//i</ii'//i, .') have the habit of rolling them- 

 selves up into a ball when disturbed, ('//i/mf/n,,/ and its allies are 



