From the ANNALS AND MAGAZINE OF NATURAL History, 
Ser. 7, Vol. xvii., January 1906, 

A new Heterotanais and a new Eurydice, Genera of LIsopoda. 
By Canon A. M. Norman, M.A., D.C.L., LL.D., 
F.R.S., &e. 
[Plates V. & VI.] 
Genus HETEROTANAIS, G. O. Sars. 
The genus Leterotanats was established by Sars in 1880 
(‘‘ Revision af Gruppen: Isopoda Chelifera,” Arch. f. Math. og 
Naturv. p. 28), and four species were assigned to it :—Hetero- 
tanats Urstedi (Kréyer), Scandinavian ; H. anomalus, sp. n., 
Mediterranean ; H. limicola (Harger), N.E. American; and 
H. tenuis (Thomson), New Zealand. More recently M. A. 
Dollfus (‘‘Campagnes de la ‘ Melita, Tanaide &c.,”” Mém. 
Soc. Zool. de France, vol. xi. 1898, pp. 87-47) has assigned 
