MUSEUM OF COMPARATIVE ZOOLOGY. 149 



Pelagia cyanella Per. et Less. 



Dactylethra formosa Fewkes gen. et sp. MS. 



SIPHONOPHOBJE. 



Stephanomia atlantica Fewkes MS. 

 Agalma papillosum Fewkes MS. 

 Agalma elegans Fewkes. 

 Agalmopsis fragilis Fewkes MS. 

 Rhizophysa gracilis Fewkes MS. 

 Physalia Arethusa Til. 

 Athorybia formosa Fewkes MS. 

 Praya sp. 



Diphyes Lessonii Huxley. 

 ?Epibulia aurantiaca Vogt. 



HYDROIDJE. 



Lafoea sp. 



Zygodactyla cyanea Agass. 



Modeeria multitentacula Fewkes. 



Eucope sp. 



Oceania folleata Agass. 



Halopsis sp. nov. 



Halicalyx gen. nov. 



Aglaura sp. nov. 



Cunina discoides Fewkes. 



Trachynema digitale A. Agass. 



Glossocodon sp. nov. 



Pennaria gibbosa Agass. 



Millepora alcicornis Linn. 



VELELLID^E. 



Velella mutica Bosc. 



Porpita Linnreana Less. 



Cambkidge, Mass., July, 1881. 



