244 BENNITT. 



of the stem and branches (Fig. 1) ; they are considerably larger than 

 the parts from which they arise, anastomose freely, and have the same 

 appearance, even to the exact color, as the normal hydrorhiza of Pen- 

 naria. The free ends of the stolons are somewhat knobbed, and along 

 their course appear broken stumps, precisely like the base of the origi- 

 nal stem. This colony was growing in a horizontal position on the 

 under side of a floating buoy, and the stolons had grown along the 

 bottom of the buoy, there to give rise to new colonies. 



Figure 1. Pennaria tiarella. Colony showing stolon-formation. X If. 



Family EUDENDRIDAE. 



Genus Eudendrium. 



Eudendrium hargitti Congdon. 



Congdon, 1907, p. 465, figs. 1-5. 



Besides being extremely abundant in Hungry Bay, the shallow inlet 

 on the south shore where it was found by Congdon, E. hargitti is gen- 

 erally distributed on buoys, timbers, ledges, and eel-grass all over 

 Hamilton Harbor and Great Sound, just below low-tide mark. Cong- 

 don's specimens were 20-50 mm. high, and had 35-45 tentacles. Spec- 



