Figs. 10, 11, 12 Photomicrographs of a transverse section of the digitiform 

 gland of an adult Acanthias. 



Fig. 10. X 10, to show the general arrangement. Note the large venous 

 sinus (digitiform vein) projecting into the central lumen. 



Fig. 11 X 520. To show a small portion at the periphery of the gland. 



Fig. 12 X 280 To show a portion at the center of the gland. Note the two 

 large goblet cells at the right in the stratified epithelium which lines the central 

 lumen. 



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