36 



ZOOPHYTA. 



FAMILY III. GOEGONIAD^. 



Gorgonia (Linn.). Polype-mass consisting of a 

 central axis, horny, flexible, continuous, branched; 

 and an enveloping crust, soft and fleshy, in which 

 the polypes are sunk. 



G. verrucosa. Fig. 58 ; n. s. 

 pinnata. 

 anceps. 



ii >>; 



Aw 



Primnoa (Lamk.). Central axis horny, becom- 

 ing very hard, continuous : polype-cells protruded 

 far beyond the crust, somewhat stalked, moveable, 

 scaled, the aperture furnished with 8 shelly scales. 

 P. lepadifera. Fig. 59 ; n. s. 



