20 FAUNA OF NEW ENGLAND. 



TRACHOMEDUSAE. 



PETASIDAE. 



56. GoNiONEMUS MURBACHii Mayer. 



Mayer, Sci. bull. Brooklyn inst. arts and sci., 1901, vol. 1, p. 5. 

 "Woods Holl, ]\L\ssachusetts." Mayer, Publ. Carnegie inst., 

 1910, no. 109, vol. 2, p. 343, pi. 45, fig. 1^; pi. 46, fig. 1-3. 



Mass. — Woods Hole, Vineyard Haven, Muskeget. , 

 CoxN. — Noank. 



TRACHYNEMIDAE. 

 57. Aglauea hemistoma Peron and Lesueur. 



Peron and Lesueur, Ann. Mus. d'hist. nat. Paris, 1809, vol. 14, 

 p. 351. "cotes de Nice." Haeckel, System der medusen, in 

 Denkschr. med.-nat. ges. Jena, 1879, vol. 1, p. 275, pi. 16, figs. 1 

 ("A. nausicaa"), 2 {"A. laterna"), 3, 4. Bigelow, Mem. Mus. 

 comp. zool., 1909, vol. 37, p. 119, pi. 2, fig. 6. 



Tropical; all oceans. 



Gulf Stream, 60 miles south of Marthas Vineyard. 



58. Aglantil\ digitale (Fabricius) Haeckel. 



Medusa digitale Fabricius, Fauna Groenlandica, 1780, p. 366, 

 ["West Greenland.] 



Trachynema digitale A. Agassiz, Mem. Mus. comp. zool., 1865, 

 vol. 1, no. 2, p. 57, fig. 81-86. 



Aglantha digitale Mayer, Publ. Carnegie inst., 1910, no. 109, vol. 

 2, p. 402, pi. 49, figs. 2, 2'. 



North Atlantic north of lat. 40". 



Me. — Eastport region, summer. 



!Mass. — Massachusetts Bay, Chatham, Nantucket, Woods Hole 

 region, chiefly in early spring. 

 Gulf of Maine. 



59. Rhopalonema velatum Gegenbaur. 



Gegenbaur, Zeitschr. wiss. zool., 1856, vol. 8, p. 251, pi. 9, fig. 



