338 



ISOPODA. 



NORM All A. 



ASELLIM. 





d 



JANIRA MACULOSA. 



Specific character. Ash -coloured, entirely covered with minute dark- 

 brown dots ; segments of the pereion finely but irregularly denticulated along 

 the lateral margins. Pleon serrated on the latero-posterior margin. Basal 

 joint of the uropoda as long as the terminal rarni, of which the outer one is 

 slightly longer than the inner. 



Length, from one-quarter to one-third of an inch. 



Janira maculosa. 



Oniscoda maculosa. 



LEACH, Edin. Enc. vii. p. 434. Trans. Linn. Soc. xi. 



p. 373. Suppl. Enc. Brit. i. p. 428. SAMOUELLE, 



Ent. Compend. p. 110. WHITE, B. M. Cat. Brit. 



Crust, p. 70. RATHKE, Nov. Acta. xx. p. 24. 

 LATREILLE, Regue An. iv. p. 141. MILNE EDWARDS, 



Crust, iii. p. 151. WHITE, Pop. Hist. Brit. Crust. 



p. 184, pi. 12, f. 7. GOSSE, Man. Mar. Zool. 1, 



f. 244. 



THE body is flat and oblong, rather than ovate, in form, 

 in consequence of the width of the head and tail. The 



