EXPLANATION OF PLATE XIX 



FOSSIL FUCOIDS FROM POGIBSHI ISLAND, NEAR KADIAK 

 VILLAGE, ALASKA 



Natural size 



FIGS, i and 2. Gyrodendron emersoni gen. et sp. nov. Page 140. 

 See also plate xvm. 



1. A slab containing several specimens in different stages of 



growth. 



2. Two specimens with thicker branches, possibly belonging to 



another species of this remarkable genus of fucoids. 



