320 

 ISOPODA. 



NORMALIA. 



ASELLIM. 



ASELLID^E. 



LERA 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 antennae 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. Etrang. de St. Petersb. 

 (Fauna der Krym.), t. iii. pi. 6, figs. 15, 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- 



