1 8 Pratt, Marine Fauna of the Falkland Islands. 



along the western shores of the Pacific, and not along the 

 eastern shores, as one would expect. This is still more 

 interesting when we note that this species occurs at the 

 southern extremities of America and Africa. 



HOLOTHUROIDEA. 



Cucuinaria mendax Theel, Challenger, Vol. XIV., 

 Holothuroidea, p. 65. The specimens are young and 

 under average size. The species is restricted to the 

 Falklands. The genus is cosmpolitan. 



ASTEROIDEA. 



I. Asterias cunninghami Perrier, Arch. Zool. Exper., 



t IV., p. 339. Habitat: P'alklands and Strait of 

 Magellan. Peculiar to this region. 

 The genus is cosmopolitan, from shallow water to 

 1,250 fath. 



II. Porania magellanica SiVidQY,Challenger,Yo\. XXX., 

 p. 363. Young specimen. Habitat : W. of Pata- 

 gonia. Peculiar to the southern portion of South 

 America. 



The genus is widely distributed in north and south 

 temperate and tropical seas, from 15 to 6,000 fath. 



Ophiuroidea. 



I. Ophiothrix magnifica Lyman, Challenger y Vol. V., 



Ophiuroidea, pp. 215, 216. Froc. Boston Soc. Nat. 

 Hist, Vol. VII., i860, p. 254. Habitat: Coast of 

 Chili. Not previously recorded from Falklands. 

 Peculiar to South America. 

 The genus is cosmopolitan, from very shallow to fairly 

 deep water. 



II. Ophiomyxia vivipara Studer, Monatsb. K. Akad. 



Berlin, 1876, p. 462 ; Challenger, Vol. V., Ophiu- 

 roidea, p. 245. Habitat : Cape of Good Hope, 

 150 fath. Kerguelen. S. W. of South America. 



