No. 2218. FOSiilL ECHINI OF PANAMA CANAL ZONE— JACKSON. 501 



Plate 64, 



Fio. 1. Clypeaster gatuni, new species, ventral view; same epecimen as Plate 63, 

 Holotype, slightly reduced, U. S. Nat. Mus., Cat. No. 324453, Station 5662. 



Plate 65. 



Fig, 1. Encope annectans, new species, dorsal view, natural size. Holotype, U. S. 

 Nat. Mus., Cat. No. 324454, Station 5846. 

 2. The same, ventral view. 



Plate 66. 



Fio. 1. Encope annectans, new species. Another specimen, external mould of ventral 

 side seen from above. Natural size, Paratype, U. S. Nat. Mus., Cat. No. 

 324466, Station 5846. 



2. Schizaster panamensis, new species. Dorsal view, natural size. Holotype, 



U. S. Nat. Mus., Cat. No. 324461, Station 7294. 



3, The same, ventral view. The dark spot in interambulacrum 5 is a yellow 



ticket that took black in the photograph. 



Plate 67. 



Fio. 1. Encope platytata, new species. Dorsal view, natural size. Holotype, U. S. 

 Nat. Mus., Cat. No. 324455. Station 6029a. 

 2, The same, ventral view. The dark spot in interambulacrum 4 of fig. 1 and 

 in interambulacrum 2 of fig. 2 are yellow tickets that took black in the 

 photographs. 



Plate 68. 



Fio. 1. Encope megatrema, new species. Dorsal view, natural size. Holotype, natu 

 ral size, U. S. Nat. Mus., Cat. No. 324456, Station 6030. 



2. Schuaster cristatus, new species. Dorsal view, natural size. Holotype, U. S. 



Nat. Mus., Cat. No. 324460, Station 5505. 



3. The same, ventral view. 



4. The same, side view. 



