ERUNIA. 



517 



GENUS 181. BRUNIA TEMPERE, 1890, 



Fig. 271. Brunia Japonica. 



Valves circular, finely punctate, or with delicate cellular structure, 

 bearing at a certain distance from the margin a row of coarse oblong 

 or semi-circular cells forming a festooned line. 



The following is Mr. Tempere's description of this remarkable genus : 

 "Diameter, -380 mm. (The diameter is very variable in size, the largest 

 specimens being quite double the smallest). Valve face almost plain, gently 



