R 



923 



922 



928 



927 



925 



Fios. 920-928. PBNTACBINOID LAEVJB OF PEOMACHOCBINDS KBBOUBLENSIS (DKAWINGS BY AOTHOB). 920. 

 SPECIMEN DESCRIBED AS No. 31. 921. RADIANAL AND ADJACENT PLATES OP SPECIMEN DESCRIBED AS 

 No. 32. 922. SPECIMEN DESCRIBED AS No. 33. 923. FDLLY DEVELOPED COLUMNALS OF SAME SPECIMEN. 

 924. SPECIMEN DESCRIBED AS No. 34. 925. SPECIMEN DESCRIBED AS No. 35. 926. SPECIMEN DE- 

 SCRIBED AS No. 36. 927. SPECIMEN DESCRIBED AS No. 38. 928. 23UD-27TH COLDMNALS OF SAME 



SPECIMEN. 



545 



