87 
Order DIADEMOIDA. 
Family Ecurip&, 
Echinus, Linneus, 1758. 
FE. angulosus (2) Leske. 
E. albocinctus Hutton. 
E. huttont Benham. 
Sub-class IRREGULARIA. 
Order CLYPEASTRIDA. 
Family CLYPEASTRID#. 
Arachnoides, Agassiz, 1841. 
A. placenta Linneus. 
Order SPATANGIDA. 
Family SPATANGIDA. 
Echinocardium, Gray, 1845. 
E. australe Gray. 
Class HOLOTHUROIDEA. 
Order ACTINOPODA. 
Family CucUMARIDA. 
Phyllophorus, Grube, 1840. 
P. longidentis Hutton. 
Family MotpapIp&. 
Caudina, Stimpson, 1853. 
C. chilensis J. Miller. 
Molpadia, Cuvier, 1817. 
M. marenzelleri Theel. 
M. dendyi sp. nov. 
Order PARACTINOPODA. 
Family SyNAPTIDz. 
Chirodota, Eschscholtz, 1829. 
C. gigas Dendy. 
