50 ANIMALS OP THE SEASHORE 



teeth more prominent than in 0. longissima. Liberated 

 medusae with 1() tentacles. 



Reported from shallow water attached to 

 oysters, woodwork, etc., from Vineyard Sound 

 (Massachusetts) to Great Egg Harbor Bay (New 

 Jcrsev) ; rare. 



Gonothyrea loveni Allman 



PLATE II. Fig. 8 



Stem not fascicled, irregularly branched, less 

 than one inch in height. Stalks with 2 to 5 annula- 

 (ions; hydranth toothed and tapering toward the 

 base. 



Reproductive polyps (gonosomes) attached to 

 the angles of the branches. These do not give rise 

 to mature medusae, but rather to modified medusae 

 known as sporosacs which always remain attached 

 to the colony. 



Attaches to shells, stones, etc, from Maine to 

 Xew Jersey (first record Pierces Point, Delaware 

 Bay, September 19, 1928). 



Halecium gracille Verrill 



PLATE II. Fig. 12 



Colony branched; stem fascicled; hyolrothecae 

 reduced to saucer-shaped hydrophores, frequently 

 ornamented with a necklace of bright dots, and much 

 too shallow to accommodate the hydranth. 



The gonosomes do not produce free medusae. 



On shells, floating wood, etc, from Labrador 



