330 



BULLETIN OF THE UNITED STATES FT8H COMMISSION.. 



Bougainvillia superciliaris A<;. tfkr. ill. 



i Com. N'iil. Hist. ('. S.. IV, p. '.Ml. I 



Tropltoxiniif. Colony attaining; a height of about 2 inches-. St(-m not I'asciclcd, irregularly 

 branched, branches and branchlets often aimulated proximally. Hydranth.s with very inconspicuous 

 proboscis and 15 to 20 rigidly disposed tentacles. 



Ganutome. Gonophores borne mostly on the ultimate branches. Mature medusa- with a very 

 broad and heavy proboscis and much ramified mouth tentacles. Each cluster of marginal tentacles 

 with a large sense-bulb at its base. 



Color. Colony light brown with a greenish tinge. Ilydrunth body witli a suggestion of rose 

 color. Medusa 1 with a pale-yellow proboscis tinged with red at the end. t-Vnse bodies orange-red 

 surrounded with yellow. 



DittributitM. Newport, R. I., attached to fucus and shells. Wo<ds Hole. 1 have not seen the 

 trophosome of this species and have culled the description from that of Dr. Alexander Agassix. The 

 medusa was taken by me at Woods Hole on August 1 1, ISlill. 



5. Bovgoinvima carollneMti iMeCr.) 



*. iniu*i Osliorn & Hurgitt. 



Bougainvillia carolinensis (McCr. ). Fig. 5. 

 (Hippocrctic carotinemis McCracly. Proc. Elliott Soc., vol. I. No. 1, p. Nil. ) 



Trophosome. Colony attaining a height of 12 inches, but usually 3 to (i inches, and branching 

 much as in the preceding species. Hydranths growing on both main stem and branches, with a long, 

 prominent, very flexible proboscis, which may be a lengthened cone, or may be rolled back until it 

 assumes a saucer-like shape; tentacles not more than 12 in specimens examined. 



Gonosome. Gonophores borne on both main stem and branches, often in clusters. Mature 

 medusae much like the last, but with a short and narrow proboscis. 



Color. Colony light brown with greenish tinge, hydranth body with reddish tinge. Medusae 

 with brick-red proboscis and sense-bulbs red surrounded by green and yellow. Eye-spots jet-black. 



Distribution. Growing on the piles of the U. S. Fish Commission's dock at Woods Hole, and 

 common in the vicinity. It is often found attached to fncua and floating timber. 



