282 ANALYTICAL INDEX. 



CHAPTER III.— continued. 



tion, ..... PAGE 219 



Its natural abode smooth, sandy shallows, near the sea shore, ib. 



Plate LX., LXI., explained, . . . 219, 220 



Note, — appendix to preceding paragraph, . . 22 



§ 4. Pandalus annulicoenis, — The Ring-horn Shrimp, — Leach, . ib. 



Not identified with the genus Crangon, ... ib. 



Description, ...... ib. 



Exuviation ensues at all seasons, . . . 221 



One of the genus named Hippolytus by Dr Leach, . . ib. 



Plate LXI. explained, ..... ib. 



CHAPTER IV.— Miscellaneous Crustaceans, . . . .222 



Many subordinate genera to the Crab and Lobster, . ib. 



§ 1. Cancerilla tubulata, ..... 223 



Account of a parasite attached to a young Ophiura, and named 



as above, ...... ib. 



Plate LXII. explained, .... 224 



§ 2. AsTARICILLA, ....... ib. 



Mr Montagu describes a mutilated specimen, . . 225 



Form, organs, length, &c., . . . . . ib. 



Ovarium, young, &c., ..... ib. 

 Plate LXIL explained, . . . . .226 



§ 3. ASTACILLA LONGICORNIS, ..... ib. 



Distinguished by singular appearance and habits, . . ib. 



Form and organs described, .... ib. 



Considered by some a species of Oniscus, . . . 227 



Its motions very singular, .... ib. 



Plate LXIII. explained, . . . . . ib. 



Exuviation took place in October, ... ib. 



Propagation from March to December, . . . ib. 



Progress described, ..... 228 



Animal dwells in deep water, . . . . ib. 



Plate LXIII. explained, .... ib. 



§ 4. Oniscus balthicus (Ideotea marina), . . . ib. 

 Length, form, organs, &c., .... 228, 229 



