238 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 8 



PLATE 35 



Fig. 1. Eucidaris Thourasii (Valenciennes), aboral view, x%, p. 229 

 Fig. 2. Hesperocidaris panamensis (A. Agassiz), aboral view, x%, p. 230 



PLATE 36 



Fig. 3. Hesperocidaris perplexa (H. L. Clark), aboral view, x%, p. 231 

 Fig. 4. Hesperocidaris asteriscus, new species, lateral view, x%, p. 232 



