explanation of the plates. 



Plates Page 



fMiCHOMiTRA, Walcottjna, Obolella (?), Bra- ^ 



DOUIA (?) ; LlNGULBLLA, OfiOLUS, ACROTRETA, 



etc. ; Aceothyua, Acrothele, Billingsella, ] 

 XXI-XXIV ■{ Orusia, etc.; Pteropoda, Gasteropoda, and }- 325 



OSTKACODA FROM TUB CAMBRIAN OF COMLEY 



(Shropshire), illustrating Mr. E. S. Oobbold's | 

 ^ paper on the Cambrian fauna of that locality. ) 



Dates of Issue of the Quarterly Journal for 1920. 



No. 301— October 30th, 1920. 

 No. 302— November 30th, 1020. 

 No. 303— January 17th, 1921. 

 No. 304— March 9th, 1921. 



