84 



THE MEDUSAE. 



Station 4646 

 Station 4650 

 Station 4652 

 Station 4654 

 Station 4661 

 Station 4663 

 Station 4667 

 Station 4668 

 Station 4671 

 Station 4673 

 Station 4708 

 Station 4717 

 Station 4719 

 Station 4723 

 Station 4725 



300 fathoms to surface ; 2 small fragmentary specimens. 



300 fathoms to surface ; 2 large specimens ; fair condition. 



100 fathoms to surface ; 4 large specimens ; fair condition. 



300 fathoms to surface ; 2 large specimens ; good condition. 



300 fathoms to surface ; 1 fragmentary specimen. 



300 fathoms to surface ; 2 small fragmentary specimens. 



300 fathoms to surface ; 1 good specimen. 



300 fathoms to surface ; 1 specimen ; good condition. 



surface ; 1 large specimen ; perfect. 



surface ; 2 specimens ; fair condition. 



surface ; 2 small specimens. 



200 fathoms to surface ; 1 fragmentary specimen. 



300 fathoms to surface ; 1 specimen ; good condition. 



surface ; 4 small specimens. 



surface ; 1 small specimen ; fragmentary. 



The dimensions and the numbers of marginal lappets and tentacles of 

 a series of specimens, including the largest and smallest taken, are given 



in the following table : — 



It is fortunate that I was able to study living specimens of this species, 

 inasmuch as, for some reason or other, they were very difficult to preserve, 

 and at the time of writing, after a lapse of only two years, already show 

 marked signs of deterioration. The bell is rounded ; the gelatinous sub- 

 stance thick (PL 18, fig. l) and considerably higher than Haeckel ('79) has 

 stated ; but since his description was taken from alcoholic specimens, this 

 difference cannot be considered of importance. Moreover, the proportion 



