HYDROZOA. 



97 



to the nectocalycine canals. Along the sides of the 

 coenosarc are placed the several appendages, con- 



Fig. 20. 



V 



ft I 



I - 



m 





- 



iv 



' 







V 



\ 



7T 



S\W \ 



/» 



fO Id 







V 



i). 



v 



JKr, 



ft 



•lol 



/ 



'-0 



«\ 



ft 



K 



Morphology of Calycophoridje : — a, Diphycs appendiculata ; 

 b, Vogtia pentacantha ; — y, proximal nectocalyx of Diphyes ; e', 

 its posterior contour ; e, its nectosac ; v'\ distal nectocalyx ; e", 

 its nectosac ; {, somatocyst ; t, proximal portion of hydroecium ; 

 fc proximal extremity of coenosarc ; /c, its distal extremity ; tt, 

 polypite, with its tentacle ; v, */, nectocalyces of Vogtia ; tt, tt, 

 its polypites ; r, t, their tentacles ; 0, androphore ; w, gynophore. 

 (Natural size.) 



sisting chiefly of polypites, tentacles, hydrophyllia, 

 and organs of reproduction. Large specimens of 



H 



