SCYPHOMEDUSAE. 27 



CQRONATA. 



' PERIPHYLLIDAE. 



7. Pekiphylla hyacinthina Steenstrup. 



Steenstrup, Acta et cat. Mus. Hafniensis, 1837. "Greenland." 

 Vanhoffen, Wiss. ergebn. deutschen tiefsee-exp., " Valdivia, " 1902, 

 vol. 3, p, 23, pi. 2, fig. 9. Mayer, Publ. Carnegie inst., 1910, no. 

 109, vol. 3, pp. 545, 546, figs. 342, 343. 



Intermediate depths of all oceans. 



Mass. — Georges Bank. 



DISCOPHORA. 



PELAGIIDAE. 



8. Pelagia cyanella Peron and Lesueur. 



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

 p. 349. "Ocean Atlantique septentrional." L. Agassiz, 

 Contr. nat. hist. U. S., 1860, vol. 3, pis. 12, 13, 13a; ibid., 1862, 

 vol. 4, pp. 128, 164. 



A southern species, occasionally taken in the Gulf Stream south 

 of Marthas Vineyard ; not recorded north of Cape Cod. 



Mass. — Off Marthas Vineyard. 



9. Dactylometra quinquecirrha (Desor) L. Agassiz. 



Pelagia quinquecirrha Desor, Proc. Boston soc. nat. hist., 1848, 

 vol. 3, p. 76. "Nantucket Bay." 



Dactylometra quinquecirrha Mayer, Publ. Carnegie inst., 1910, no. 

 109, vol. 3, p. 585, pi. 62-64A. 



Tropics to southern New England; not recorded north of Cape 

 Cod. 



Mass. — Buzzards Bay, Woods Hole, Nantucket. 

 R. I. — Newport. 



