EXPLANATION OF PLATE XI 



FOSSIL ANNELID TUBES FROM WOODY AND POGIBSHI ISLANDS, NEAR 

 KADIAK VILLAGE, ALASKA 



Natural size, except figure 6 



FIGS. 17. Terebellina palachei gen. et sp. nov. Page 132. 



1 . Two curved specimens of this worm tube ; incomplete and 



represented in part by the impression only. 



2. A weathered tube, the lower half showing the interior hollow. 

 3 and 4. Two specimens, the first retaining the greater part, the 



second all of the acuminate proximal extremity. 



5. A number of fragments in soft shale. 



6. Portion of a specimen showing constrictions and faint trans- 



verse lines ; X 5 . 



7. Several fragments of the large form mentioned in the descrip- 



tion. 



