Puate 2, 
1-4. Dorocidaris panamensis A. Ag.; all figures natural size; Station 3368. 
. Seen from the abactinal side to show the denuded abactinal system, the odd anterior 
ambulacrum, and the left anterior interambulacrum and ambulacrum. 
. The same specimen, showing the same denuded parts of the test, seen from the actinal 
side, 
The same specimen, seen in profile, showing part of the denuded test facing the left 
anterior interambulacrum. 
The same specimen, seen in profile, showing part of the denuded test facing the odd 
anterior ambulacrum. 
