146 COTULINA. 



AMPHITROCHA Agass. 



Amphitrocha Agass. Cont. Nat. Hist. U. 8., IV. p. 356. 1862. 



Amphitrocha rugosa Agass. 



Amphitrocha rugosa Agass. Cont. Nat. Hist. U. S., IV. p. 356. 1862. 



Sertularia rugosa Lixx. Sj'st. 1308. 



Sertularia rugosa Fab. Fauna Gronlandica. No. 454. 



Sertularia rugosa Joh'nst. Brit. Zooph., p. 63, PI. X. Figs. 4-6. 



Sertularia rugosa Stimps. Mar. Inv. Grand ^lanan, p. 9. 1853. 



Sertularia rugosa Morch ; in Besk. af Grbnland, p. 97. 



Amphitrocha cincta Agass. Cont. Nat. Hist. U. S., IV. p. 356. 1862. 



Massachusetts Bay (L. Agassiz) ; Grand Manan (W. Stimpson). 

 Cat. No. 226, Nahant, April, 1855, H. J. Clark. Hydromedusarmm. 

 Cat. No. 227, Nahant, May, 1855, H. J. Clark. Hydromedusarium. 

 Cat. No. 228, Nahant, August, 1854, H. J. Clark. Hydrarium. 

 Cat. No. 229, Nahant, July, 1861, A. Agassiz. Hydrarium. 

 Cat. No. 230, Nahant, September, 1854, H. J. Clark. Hydrarium. 

 Cat. No. 406, Nahant, July, 1862, A. Agassiz. 



COTULINA Agass. 



Cotvlina Agass. Cont. Nat. Hist. U. S., IV. p. 356. 1862. 



Cotulina tricuspidata A. Agass. 



Sertularia tricuspidata Alder (non Murray). Cat. Zooph. Northumb. and Durham, p. 21, PI. II. 



Figs. 1, 2. 1857. 

 Sertularia tricuspidata Pack.; in Can. Nat. & Geol. Dec. 1863. 



Massachusetts Bay (L. Agassiz). 



Cat. No. 233, Massachusetts Bay, L. Agassiz. 



Cat. No. 234, Massachusetts Bay, L. Agassiz. 



Cat. No. 235, Eastport, Me., July, 1851, W. Stimpson. 



Cat. No. 236, Eastport, Me., July, 1852, W. Stimpson. 



Cotulina polyzonias Agass. 



Cotidina polyzonias Agass. Cont. Nat. Hist. U. S., IV. p. 356. 1862. 

 Sertularia polyzonias Ja's:s. Syst. 813. 

 — Sertularia polyzonias Johnst. Brit. Zooph., p. 61, PI. X. Figs. 1-3. 



Serttdaria polyzonias Morch ; in Besk. af Gronland, p 97. 1857. 

 Sertularia polyzonias Stimps. Mar. Inv. Grand Manan, p. 9. 1853. 

 Sertularia polyzonias Pack.; in Can. Nat. & Geol. Dec. 1863. 

 Sertularia pinnata Gould. Rep. Inv. Mass., p. 350. 



Eastport, Me. (A. E. Verrill) ; Mingan Islands (Anticosti Expedition) j 

 Grand Manan (AV. Stimpson). 



