MARtNTEi GAMMARIDEAN AMPHIPODA 



327 



Figure 123.^ — -Lysianassidae: a, Trischizostoma nicaeense (Costa) (Sars, 1895, pi. 12, as 

 T. raschi); b, Uristes umbonatus (Sars, 1895, pi. 29); c, Hippomedon denticulatus (Bate) 

 (Sars, 1895, pi. 20); d, Centromedon pumilus (Liljeborg) (Sars, 1895, pi. 34); e, Acidostoma 

 obesum (Bate) (Sars, 1895, pi. 14). 



