Plate 8. 



Tampsia cliocoyensis Stephenson. Internal view of one of the loose individuals 

 of tlie colony, natural size, showing especially the edge of the shell on the 

 left, broken along the line of weakness caused by the sinus or slit (a) at 

 the bottom of the anterior siphonal channel. Cat. No. 32501, U.S.N.M. 

 Page 8. 



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