798 MR. L. A. BORRADAILE OX CRUSTACEANS [NOV. 20, 



Order AMPHIPODA. 



Family OrchestiidjE. 



Genus Hyale Eathke, 1837. 



4. Hyale gracilis (Dana), 1850. 



Allorchestes gracilis, Dana, Proc. Am. Ac. Sci., Boston, ii. p. 205 

 (1850); U.S.' Expl. Exped., Crust, ii. p. 890, pi. ix. fig. 5 

 (1852). 



Funafuti; numerous individuals of both sexes. 



Class ENT0M0STRACA. 



Order CIEEIPEDIA. 



Family Lepadid^. 



Genus Lepas Linn., 1758. 



5. Lepas anatifera Linn., 1758. 



Lepas anatifera, Linnaeus, Syst. Nat. 10th ed. p. 668 (1758) ; 

 Darwin, Mon. Cirr. i. p. 73, pi. i. fig. 1 (1851). 



The basal parts of the scuta are distinctly furrowed in the 

 present specimens, but the line of quadrilateral depressions across 

 the shell is entirely wanting. 



Fiji ; two examples. 



Genus Lithotrya Sovverby, 1822. 



6. Lithotrya pacifica, n. sp. (Plate LI. figs. 3, 3 a.) 



Diagnosis : " A Lithotrya with the scuta triangular, somewhat 

 narrowly overlapping the terga ; the terga long, narrow, triangular, 

 the ridges outside them short and straight ; the laterals very long, 

 more than three-fourths the length of the terga, the base of each of 

 them marching with seven of the underlying scales ; the carina long, 

 rather narrow, curved somewhat strongly, inside hollow with, in 

 the upper part, a middle row of triangular knobs corresponding to 

 the external ridges ; rostrum (which seems to be broken short in 

 the present specimens) bordered by a curved row of five scales ; 

 peduncle long." 



Colour in spirit, white. 



Length of largest specimen, including stalk, 28 mm. Length of 

 carina of same specimen, 6-5 mm. 



Funafuti ; two specimens from the outer reef. 



