Narrative of Bahama Expedition. 225 



men is very massive and bushv. the main stem being over 

 half an inch in diameter and branching profusely, the whole 

 colony attaining a height of over two feet- The hydrothecse 

 are quite small, and the pinna' much annulated. One of the 

 most delicately beautiful of all the Pluaiularians is a species 

 allied to PliimnJaria oblicjuj Sanders, the pinnee of which are 

 very short and bear but a single conical hvdrotheca. There 

 are four nematophores in tiie axil of each pinna. One of the 

 smallest of the Plumularid^^-: is Ao-Iaoplieiiia ^crfiisiUa All- 

 man, a species resembling a small feather, but only one 

 quarter of an inch high. The corbula. hitherto unknown, 

 resembles that of A. ^crfurata Allman. 



When Dr. S. F. Clarke reported on the hydroids of the 

 ••Blake," he found a remarkable form characterized by peculiar 

 processes at the bases of the pinna\ and nematophores of 

 a new type on the main stem of the colon}-. This interesting 

 species was made the type of a new genus and called 

 JVeniatophonis <^-ra]idls Clarke. In our collection from Little 

 Cat Island are three species of this same genus, one being 

 the form described by Clarke, and the other two being new. 

 All three agree in having an unusual amount of very dark 

 or black pigment distributed throughout the colon}'. The 

 peculiar protoplasmic processes described by Clarke, as issu- 

 ing from the nematophores are shown in our specimens to be 

 the barbed threads of particularly large nematocysts. There 

 are many points of unusual interest yet to be studied in con- 

 nection with this \itxy well-marked genus. llaliconiaria 

 speciosa Allman was also secured here, together with two 

 apparently new species of the same genus which were found 

 growing on 2\'cmatophonis. A large quantity of gorgonians 

 and millepores came up during our work here, but were 

 mostly of the species secured at Spanish Wells. 



At four p. M.July 19th. the tangles were hauled on board 

 for the last time, and the order given to point the schooner's 

 jib-boom straight for Baltimore. Notwithstanding all the 

 pleasure and advantages for study that had been so thoroughly 

 enjoyed and faithfull}- embraced, there was no one on board 



