CONKLIN, ACTINIAN LARV/E 



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Transverse sections of Zoanlhinn nmeric:inn (?), 1.8 mm, lone and 1.2 mm. wide. Photpmicrographs by H. G. Kribs, taken with 



monochromatic blue light of -(48 jU. wave-leni:lh. x7S. 

 Figs. 19-21. Sections through portion of body on oral side of ciliated groove. 

 Fig. 22. Section through ciliated groove, showing a portion of the outer wall of the groove. 



Fig. 23. Section through deepest part of ciliated groove, showing twelve endodermal pockets in outer wall of groove. 

 Figs. 24-25. Sections through the aboral part of the body. The endoderm cells contain many small round bodies, the Zooxanthellae. 



