NO. 5 CLARK : ECHINI OF WARMER EASTERN PACIFIC 275 



PLATE 51 



Fig. 37. Dendraster mexicanus, new species, aboral view, rough 

 surface, xl, p. 313 



Fig. 38. Dendraster mexicanus, new species, aboral view, smooth 

 surface, xl 



Fig. 39. Dendraster mexicanus, new species, oral view, xl 



PLATE 52 



Fig. 40. Dendraster rugosus, new species, aboral view, x%, p. 318 

 Fig. 41. Dendraster rugosus, new species, oral view, x% 



PLATE 53 



Fig. 42. Encope grandis L. Agassiz, aboral view, x%, p. 325 

 Fig. 43. Encope perspective L. Agassiz, aboral view, xl, p. 326 



PLATE 54 



Fig. 44. Encope tj.'etmorei A. H. Clark, aboral view, x%, p. 326 

 Fig. 45. Encope lae<vis, new species, aboral view, x%, p. 327 



