NO. 5 CLARK: ECHINI OF WARMER EASTERN PACIFIC 291 



PLATE 59 



Fig. 54. Encope ecuadorensis, new species, aboral view, xj4, p. 333 

 Fig. 55. Encope ecuadorensis, new species, oral view, x% 



PLATE 60 



Fig. 56. Encope fragilis, new species, aboral view, x%, p. 335 

 Fig. 57. Encope fragilis , new species, oral view, x% 



PLATE 61 



Fig. 58. Encope insularis, new species, aboral view, xJ/2, P- 336 

 Fig. 59. Encope insularis, new species, oral view, xj^ 



PLATE 62 



Fig. 60. Mellita longifissa Michelin, aboral view, xl, p. 337 

 Fig. 61. Cassidulus pacificus A. Agassiz, aboral view, x3, p. 338 



