A REVIEW OF THE MYSIDACEA 



189 



of both sexes. Japan : Yatabe, No. 33, A. S. Pearse collector, June 

 22, 1929, large numbers of specimens of both sexes. 



Distribution. — This species is abundant in brackish water in Japan, 

 the east coast of Asiatic Kussia, and China, and is here recorded for 

 the first time from American waters. 



Remarks. — This species may be recognized by the following 

 characters : 



Figure 73. — Neomysis intermedia (Czerniavsky): a, Antennal scale and peduncle, X 33; 

 b, fourth pleopod of male, X 33; c, telson, X 33. 



(1) The carapace is produced into a broadly rounded rostral 

 plate. (2) The eye is rather more than iy 2 times as long as broad, 

 the peduncle is only two-fifths as wide as the eye is long, and the 

 cornea occupies less than one-half of the eye. (3) The antennal scale 

 (fig. 73, a) is 10 times as long as broad. (4) Sixth joint of the 

 endopod of the third to the eighth thoracic limbs is divided into 7 

 to 11 joints. (5) Telson (fig. 73, c) triangular in shape, twice as long 

 as broad at the base, apex truncate, one-fifth of the width of the telson 



