SCYPHOMEDUSAE COLLECTED BY STEAMER ALBATROSS. 



191 



The following is a record of specimens of Ghiropsalmus quadri- 

 gatus obtained by the Albatross in the Philippine Islands : 



1 Lost. 



2 Largest specimen. 



Three other unmeasured specimens were obtained as follows : Two 

 (Cat. No. 27914 U.S.N.M.) at Mati, Pujada Bay, Mindanao, May 15, 

 1908; and one (Cat. No. 27916 U.S.N.M) at Panabutan Bay, Min- 

 danao, February 6, 1908. 



Genus PERIPHYLLA Steenstrup, 1837. 



Periphylla Steenstrup, 1837, Acta et Cat. Mus. Hafniensis. — Mayek, 1910, 

 Medusae of the World, vol. 3, p. 543. — Beowne, 1910, National Antarctic 

 Expedition, vol. 5, Medusae, p. 42. 



Generic characters. — Coronatae with 4 interradial rhopalia and 

 12 tentacles, 4 perridial and 8 adradial, 16 marginal lappets grouped 



