GAMMARIDEAN AMPHIPODA 



77 



by the somewhat blunter lateral cephalic lobes. The first gnathopod 

 is weakest in development of any Schisturella except the type-species 

 and the third pleonal epimeron tooth is the largest. 



Schisturella robusta cedrosiana, new subspecies 



FlQUBE 35 



Diagnosis. — Differing from the typical subspecies, S. r. robusta 

 (J. L. Barnard, 1961) by the sharper lateral cephalic lobe and the 



Figure 35. — Schisturella robusta cedrosiana, new subspecies, holotype, male, 6.8 mm, 7229: 

 a, lateral aspect; b, pereopod 1; c, leftward projecting labrum below flat epistome; d~f 

 gnathopod 1; g-i, gnathopod 2; j, antenna 1; k, telson; /, uropod 1; m, uropod 2; n, inner 

 ramus of uropod 2; o, uropod 3. 



