Plate XIII. 



Fig. 37. Campanularia verticillata. 



A. Natural size. 



B. Portion of fascicled stem showing whorl of hydrothtecae. 



C. Gonophore. 



Fig. 38. Campanularia volubilis. 



A. Natural size. 



B. Hydrotheca and pedicel. 



C. Gonophore. 



Fig. 39. Clytia attenuata. 



A. Natural size. 



B. Colonies showing branching (After Calkins). 



C. Hydrotheca and hydranth (Aftei Calkins). 



D. Gonophore (After Calkins). 



Fig. 40. Clytia cylindrica. 



A. Natural size. 



B. Hydrotheca and pedicel. 



C. Gonophore. 



Fig. 41. Clytia edwardsi. 



A. Natural size. 



B. Portion of colony showing hydrothecre and gonophore. 



C. Gonangium growing from stolon. 



Fig. 42. Clytia inconspicua. 



A. Natural size. 



B. Hydrotheca and pedicel. 



C. Gonophores. 



I). Individual grown from the egg in the laboratory. 



