TANAIS V1TTATUS, 



ISOPODA. 



ABERRANTIJ. 



125 



TANAID^. 



TANAIS VITTATUS. 



Specific character. Body rather short, with the segments of the pleon 

 clothed with transverse fascicles of long fine hairs. Superior antenna? 

 thicker and longer than the inferior, three -jointed, setose at the tip. Ce- 

 phalon and first segment of the pereion mottled with dark lines, forming oval 

 patches; second pair of gnathopoda shorter than the following, several of 

 the posterior pairs of legs terminated by a sickle-shaped finger, with a tooth at 

 the middle of its inner edge, and serrated along the base. 



Length two lines and a quarter. 



Crossurus vittatus, 

 Tanais vitlatus. 



RATHKE, Nov. Act. 20, pi. i. fig. 7. 

 LILLJEBORG, Bidrag till Kiinnedomen om de inom 

 Sverige och Norrige FSrekomniande crust, af Isop. 

 underord. och Tanaid. famil. p. 2 1864, Upsala. 

 Tanais de Costa (?). ANDOUIN and EDWARDS, Resume d'Entomologie, t. i. 



pi. xxix. fig. 1. 



Tanais Cavolini (?). EDWARDS, Hist. Nat. Crust, iii. p. 141, pi. xxxi. 



fig. 6. 



NOTWITHSTANDING the Gulf of Naples is given by 

 Professor Milne Edwards as the habitat of T. Cavolinii, 





