PELAGIC ANIMAL LIFE 



573 



During the Atlantic cruise in 1910 a large collection of medusae was 

 obtained, of which only the Acraspeda have been determined by Broch, 

 who records the following forms from the stations specified : — 



Fig. 405. 



Pelagia perla, Slabber. 



(After McAndrevv and Forbes, from 



Steuer. ) 



Fig. 406. 



Periphylla hyacmthiiia, Steenstrup. 



About nat. size. (From Vanhoffen. 



Periphylla hyacinthina, Steenstrup, Stations 10, 19, 34, 

 56, 58, 62, 64, 66, 67, 70, 80, 81, 82, 84, 88, 92, 94, 



lOI. 



P. regina., Haeckel, Stations 19, 49, 56, 62, 63, 64, 84, 92. 

 Naiisitho'e atlatitica^ n. sp.. Stations 56, 90, 92. 



„ globifera, n. sp.. Stations 10, 88, 90, 98, loi. 



Atolla wyvillei, Haeckel, Station 62. 

 „ hairdii^ Fewkes, Stations 10, 23, 



51. 53> 56, 62, 64, 66, 67, 70, 80, ^ 



92, 94, 98, lOI. 

 Pelagia perla, Slabber, Stations 10, 25, 51, 52, 56, 81, 82, 84, 



86, 87, 88, 90, 92, 94. 

 Chrysaora mediterranean Peron et Lesueur, Algeciras. 

 Poralia sp. {rufescens}), Station 85. 

 Aurelia solida, Browne, Station 56. 



:5, 29, 35> 42, 45, 

 , 82, 84, 87, 88, 



42, 45> 51, 5- 



./ 



Fig. 407. 

 Diphyes arc tic a, 

 Chun (f ). (From 

 Vanhoffen. ) 



This list shows that Periphylla hyacintJiina and 

 Atolla bairdii are so widely distributed in the North Atlantic that they 

 may be said to occur everywhere ; they are, as we shall see later, both 



