No. 104.] . 159 



Fam. SEEPULID^E. 



HYDROIDES Gunnerus. (1768.) 



Hfdeoides dianthus Verrill. 



Serpula dianthus T-ER-RiLL . Op. cit., p. 620. 18T4. 



Hydroides dianthus Verrill. Proc. Acad. Nat. Sci., Phila. for 1878, p. 300. 



Webster, Annel. Chset. of the Vir. Coast, p. 266. 1879. ^ 



Common on rocks and shells, from low water to fifteen feet. 



Union College, Schenectady, X. Y., 

 December, 1878. 



