71 



POLYZO A— contin ued. 

 STATION III. 



STATION IV. 



May. June. July. Aug. | Sept. Oct. 



Eucratea chelata (Linn. ) . . . 



Gemellaria loricata (Linn.) 



Menipea ternata (Ellis and Sol. ) 



Scrupocellaria scruposa (Linn.) ... ! 



Scrupocellaria reptans (Linn.)... 



Bugula avicularis (Linn.) 



Bugula flabellata (J. V. Thompson) 



Bugula plumosa (Pallas) 



Bugula murrayana var. j'ruticosa 



(Packard) 



Flustra foliacea (Linn.)... 



Flustra securifrons (Pallas) 



Electra pilosa (Linn.) 



Callopora aurita (Hincks) 



Membranipora membranacea (Linn.) ... 



Microporella ciliata (Pallas) 



Gellepora pumicosa, Linn. 



Cellepora avicularis, Hincks ... ... 



Siniopelta costazii (Audouin) ... 

 Crisia eburnea (Linn.) ... 

 Alcyonidium gelatinosum (Linn.) 

 Bowerbankia imbricata (Adams) 

 Buslcia nitens (Alder) ... 

 Cylindroecium dilatatum (Hincks) 

 Valkeria uva (Linn.) ... 

 Pedicellina cernua (Pallas) ... ... 



Ascopodaria gracilis (Sars) ... ... ! 



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t Ooecia piesent. 



