150 BULLETIN OF THE 



The mouth rarely reaches outside the entrance into the bell cavity. The 

 peduncle in the figure has a cellular appearance. This resemblance to cells 

 may be due simply to superficial folding of its walls, and the pedvmcle itself 

 may be transparent and gelatinous, like the remainder of the bell from which 

 it hangs. 



The sexual organs are formed of four globular bodies, of orange broAvn color 

 in which darker colored patches are distinguishable. The specimen figured is 

 a femiJe. The male is unkno^vn. The oral tentacles are simple, short, four in 

 number, and clothed at their tips with many knobs. 



The tentacles are numerous, uniform in size, flexible, hollow, carried like 

 those of Trachynema or Turritopsis closely coiled about their bases. Their 

 color is greenish, with deeper coloration in the bulbs. Tip of the tentacle 

 pink. Number of tentacles, thirty-two. 



A bright crimson pigment spot is borne on the under side of the enlarged 

 base of the tentacle, a short distance from its union with the rim of the bell. 

 Tliis position of the pigment spot is very characteristic. 



Development from the egg unknown. Male unknown. 



Locality, Naushon, Buzzard's Bay. A. Agassiz. 



This jelly-fish I have never seen, and the description is made from a sketch, 

 with notes loaned me for that purpose, by Mr. Agassiz. 



Gemmaria gemmosa, MoCradt. 



Plate I. Figs. 10, 11, 18. 



McCrady first described a new jelly-fish from Charleston Harbor allied to 

 Zanclea of Gegenbaur, to which he gave the name of Z. gemmosa, suggesting at 

 the same time that its characteristics may be important enough to place it in a 

 new genus for which he presents the name Gemmaria. Mr. Agassiz adopts the 

 name Gemmuria gemmosa, and gives additional drawings of what seems to have 

 been the same jelly-fish. The form which is here described as the adult of 

 G. gemmosa was discovered by Mr. Agassiz, from whose drawings and notes 

 this description is made. 



The bell is teacup-shaped, with an apical hemispherical protuberance, which 

 rises slightly above the apex. The bell walls are thin. Surface, except in four 

 meridional lines yet to be mentioned, smooth. The radial tubes simple, narrow, 

 smooth in profile, and four in number. Proboscis without peduncle, and ex- 

 tending normally to the opening into the bell cavity, and sometimes capable of 

 great protrusion outside the Ijell. Oral tentacles wanting. The mouth open- 

 ing is circular. The lips are studded sparsely with large lasso-cells. The 

 lower part of the proboscis is slender, the upper very much swollen with the 

 ovarian glands. Ovaries in four spherical lobes, through the walls of which 

 eggs with gemiinative dot and vesicle can be plainly seen. 



The tentacloH are primary, uniform in size and length, and four in number. 

 The tentacular bull)s are Lirge, and each tentacle is thickly crowded with 



