O. Holm and A. H. W e s t e r ga ar d. A Middle Cambrian fauna from Bennett Island Plate IV 



18 ^/i 



20 ^'1 



21 '' 1 



23 -^/s 



24b 



24a '/i 



25 



Figs. 1, 3, 16, 17, 19. G. Holm phot., G. Liljevali ret. 

 Figs. 2. 4-15, !8, 20-25. J. W. England phot. & ret. 



3AH, XXI, 8 



