Plate 65. 



1^. Echinolampas depressa Gray; "Blake," 1878-79, 

 Station 253, off Grenada 92 fms. 



1. Actinal part of odd ambulacrum of specimen 45 mm. in greatest diameter, seen from : 



actinal side. 



2. Actinal part of test of specimen 50 mm. in greatest diameter, seen from the interior. 



3. Odd anterior ambulacrum of same specimen as fig. 2, seen from the interior. 



4. Abactinal part of test, seen from the interior of specimen 45 mm. in greatest diamet 



5-7. Conolampas Sigsbei A. Ag. 



5. Actinal part of odd ambulacrum of specimen 90 mm. in greatest diameter; "Blai- 



1877-78, Yucatan Bank, 84 fms. 



6. Actinal part of test of same specimen as fig. 5, seen from the interior. 



7. Abactinal system of same specimen, seen from the interior. 



