< LIMNORIA LIGNORUM. 351 
TSOPODA. ASELLIDA. 
NORMALIA. 

LIMNORIA LIGNORUM (THE GRIBBLE). 
Specific character. Entirely covered with small, setose hairs. Lower an- 
tenne not longer than the head. Terminal segment of the tail entire, 
rounded, and flattened, with a slight central dorsal carina, and the lateral 
margins raised. 
Length, about a line and a half. 
Cymothoa ignorum. RatuKeE, Skrivt af Naturh, Selsk, vol. 101, t. 3, f. 14 
(1799). 
Limnoria lignorum. Wurtz, Pop. Hist. Brit. Crust. p. 227, pl. 12, f. 5. 
Limnoria terebrans. Luacu, Dict. d. Sci. Nat. art. Cymothoadées, Edinb. 
Ene. vii. p. 433. ‘Trans. Linn. Soc. xi. p. 371. 
Suppl. Enc. Brit. 1, 428. Dxsmarsst, Cons. Crust. 
p. 312. Samovenie, Ent. Compend. p. 109. Coxp- 
STREAM, in Edinb. New Phil. Journ. xvi.* p. 316, 
t. 6, f. 1—16. Hops, Trans. Ent. Soc. Lond. 1, 
p. 119. W. Tompson, Edinb. New Phil. Journ. 
xviii. p. 127. Mitne Epwarps, Crust. iii. p. 145. 
Warts, B. M. Cat. Brit. Crust. p. 68. | Gossn, 
Man. Mar. Zool. 1, fig. 242. Wurstwoop, in Gar- 
dener’s Chronicle, 1849, p. 388, fig. annexed. 
> 
* This and the preceding plate are erroneously lettered ‘‘ vol. xvii.’ 
