82 EDITH M. PRATT, B.SC. 



Negro. Genus taken south and north of tropics, but 

 not within tropics. 



(6) Pagurodea. 

 Pagurid^;. 



JEupagurus comptus White. Peculiar to Falkland's, 

 and Fuegian region. 



ISOPODA. 

 Idoteid/e. 



Edotia tuberculata Guerin-Meneville, Iconoq rapine da Regne 

 Animal de G. Cuvier T. Til. Crust., p. 34. Habitat: Con- 

 fined to Strait of Magellan and the Falklands. 



SPHiEROMID^. 



Sphceroma gigas Leach, Diet. Sci. A r at. t. 12, p. 346 ; Milne- 

 Edwards, Crustacea Vol. III., p. 205. Habitat : Strait of 

 Magellan. Falklands. Australia. New Zealand. Ker- 

 guelen. Aucklands (Southern Hemisphere). 



AMPHIPODA. 



Orchestia chilensis Milne-Edwards, Crustacea, Vol. III., p. 18. 

 Habitat: Mediterranean and coasts of Chili; not previously 

 recorded from Falklands. 



Of the seven species of Crustacea in this collection of common shore 

 fauna, one is common to the northern and southern hemispheres 

 {Orchestia chilensis), two are distributed over the temperate portion of 

 the southern hemisphere, and four are peculiar to the neighbourhood 

 of the Falklands. 



Paralomis. The genus occurs north and south of the tropics but 

 not within the tropics ; of 3 species, 2 occur in moderately deep to 

 deep water, 310-600 fath. ; the third, P, remicosus, appears to be a 

 shallow-water form. 



Halicarcinus. The genus appears to be widely and universally 

 distributed over the southern portions of the three great continents in 

 the southern hemisphere. 



Xantho. Genus cosmopolitan, and fossil. 



Eupagurus. The genus is distributed in north and south temperate 



