SERTULARELLA GAYI. 67 



are alternate, giving a slightly zig-zag 

 appearance to the growth, and are not 

 wrinkled as in S. migosa. The capsules are 

 ovate, wrinkled, aud have a slight neck to the 

 aperture. Very common. 



Sertularella Gayi, Lamouroux. 



2 dry specimens. 



specimens This species bears much 

 89, 40. resemblance to the last, but has 

 a compound stem, and consequently, a much 

 stiffer appearance. The receptacles are 

 slightly wrinkled and are alternate. The 

 capsules are somewhat spindle-shaped, and 

 are only wrinkled in the upper part. 



Less common than S. polyzonias, and 

 from the trawl only. 



Sertularella rugosa, Linnseus. 



1 specimen in box. 



specimen This might be truly called the 

 41. wrinkled Sertularella. The speci- 



men exhibited has overrun a piece of Flustra 

 (a Polyzoon), throwing up here and there 



