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GENUS DACTYLONEPHTHYA, nov. 



This new genus is suggested for a small puzzling colony which seems to us 

 to form an intermediate type linking the Spongodinse and Siphonogorginte and 

 Alcyoniidfe. Very few characters of true taxonomic importance have so far 

 been assigned to the Siphonogorginie, but, on such grounds as (1) the presence 

 of distinct verruca; and (2) the architectural development of the anthocodial 

 armature, which are so characteristic of the Siphonogorgids, we have been com- 



