HTDROZOA. 



97 



to the nectocalycine canals. Along the sides of the 

 coenosarc are placed the several appendages, con- 



Fig. 20. 



w 



Morphology of Caxycophobid* : — a, Diphyes appendiculata ; 

 b, Vogtia pentacantha ; — v, proximal nectocalyx of DipAyes ; e', 

 its posterior contour ; 6, its nectosac ; v", distal nectocalyx ; c", 

 its nectosac ; |, somatocyst ; i, proximal portion of hydrcecium ; 

 f, proximal extremity of coenosarc ; k, its distal extremity ; ir, 

 polypite, with its tentacle ; v, v, nectocalyces of Vogtia ; ir, it, 

 its polypites ; t, t, their tentacles ; 6, androphore ; w, gynophore. 

 (Natural size.) 



sisting chiefly of polypites, tentacles, hydrophyllia, 



and organs of reproduction. Large specimens of 



II 



