Amphipoda Synopidea. 21 



The second pair of pereiopoda [PI. II, fig. 39] are »slender, the 

 joints cylindrical». 



The femur of the seventh pair »is similar to that of S. ultramarina». 



Colour. »Intense blue, with a barely perceptible tinge of red.» 



Length. 4 m.m. 



Hab. The Pacific »Lat. 18" S. and Long. 122" W.» 



6. Syuopia orieiitalis. R. KOSSMANN, 1880. 



Syn. 1880. à'i/iiojjia orienlalis. R. K08SMANN. Zool. Ergebnisse e. ira Auftr. der K. Acad. 



der Wiss. zu Berlin ausgef. Keise in die 

 Küstengebiete des Rothen Meeres, vol. 

 2, p. 137, pi. 15, fig. 11—13. Fol. 



The head is not produced anteriorly over the bases of the an- 

 tennaî, vertically truncated. 



The median eye is large occupying the whole length of the head. 



Both pairs of antennce are longer than the body. The first joint 

 of the flagellum of the first pair is very long. The secondary flagellum 

 is three- (?) jointed. The second pair of antennai are longer than the first. 



The tibia and carpus of the third pair of pereiopoda are stronger 

 and stouter than those of S. ultramarina. The dactylus is pedunculated. 

 The tibia of the fourth pair is shorter than half the carpus. The dac- 

 tylus is long, not pedunculated. 



»The other characters agree with those of Synopia ultramarina, 

 Dana.» 



Length, 3 m.m. 



Hab. The Red Sea. 



