320 



ISOPODA. 



NORM All A. 



ASELLID^. 



ASELLID^E. 



J^ERA NORDMANNI. 



Specific character. Broadly ovate ; sides of the segments strongly ciliated, 

 with hairs set on at right angles ; upper antennae four-jointed, terminal joint 

 not multiarticulate ; lower antennre not more than one-third of the length of 

 the animal, with the third joint not half the length of the following ; pleon 

 with a deep semicircular notch, within which the two small caudal appendages 

 are visible, extending very slightly beyond the margin. 



Length, about one-sixth of an inch. 



Janira Nordmanni. RATHKE, in Mem. des Sav. E^rang. de St. Petersb. 



(Fauna der Krym.), t. iii. pi. 6, figs. 1 5, p. 388. 

 Jceridina Nordmanni. MILNE EDWARDS, H. N. Crust, iii. 150. 



THIS small animal was arranged by its first describer, 

 Ratbke, as a species of Janira; but that genus possesses 

 elongate appendages at the extremity of the body, as in 

 the common Asellus. Professor Milne Edwards accord- 



