168 



segment of pereopods III is equal to the 4th and 5th together. The 2nd 

 segment of pereopods V is coarsely denticulate on the anterior margin; 

 the 6th segment is half the length of the 5th. 



Distribution: Found southwest of Oahu (Hawaiian Islands) in a catch 

 from a depth of 750 m. 



4. Scina incerta Chavreux, 1900 (Fig. 62) 



Chevreux, 1900: 123; Wagler, 1926: 331, 1927: 93; Shoemaker, 

 1945a: 230. 



Length of sexually mature specimens ranges from 8.5 to 16 mm. 



The color of live crustaceans is wine-red. The pereon is oblong-oval. 

 The dorsal keel is well developed. 



Antennae I are thin, equal to or longer than the pereon and pleon 

 together. 



143 



Fig. 62. Scina incerta Chevreux (after Wagler, 1926). 



