Siphonophora of Scottish National Antarctic Expedition. 



Isles (\V. E. Clarke) and lat. 43 33' S. (Bruce) seem to be the present 

 known northern and southern limits. 



Family PHYSALID^E, Brandt, is.;:,. 

 Genus Physalia, Lamarck, 1816. 

 Physalia arethusa, Browne, 1750. 



Chun 1 distinguishes only two species of Physalia, the Atlantic- 

 Mediterranean P. iircthusa and the Indo-Pacific P. utriculm, since the 



FIG. 1. 



numerous species previously described have either been discovered to be 

 young specimens or slight local variations. Specimens were collected at 

 the following stations : 



Stat. 30. 11 15' N. 25 20' W. Temp. 79 



Stat. 81. 18 24' S. 37 58' W. Temp. 79-9 



Stat. 478. Table Bay. May 1904. 



Stat. 527. 11 32' K 20 30' W. Temp. 78'1 C 



Dec. 4th, 1902. 

 Dec. 20th, 1902. 



June 19th, 1904. 



1 C. Chun, Die .V////i.////i/i<:/'. n <l r I'lankton-Expedition, Kid and Leipzig (1897). 



(UOY. I'HY. SOf. PIIOC., VOL. XIX., 18.) 



