52 



ECHINODERMATA. 



Asteroidea — Liiidea claihrata; this form has been taken 

 while dredging at Cameron in twelve to eighteen feet of water, 

 and was found in abundance on the beach at the Chandeleiir 

 Islands. 



Echinoidea — Melliia testudinata; occurs abundantly in the 

 shallow waters about the Chandeleur Islands. 



Moera afropns; after blows from the east or south the beach 

 on the outside of the Chandeleur Islands was covered with the 

 empty tests of this form. 



Ophiuroidea — Ophiura hrevispina : found in lanre numbers 

 among the eel grass in shallow water on the west side of the 

 Chandeleur Islands. 



Holothuroidea — Thyone hriarins; a few specimens of this 

 form have been found on the beach at Cameron after- heavy 

 storms. 



PL AT YHELM INTHES. 



Turbellaria — Planaria sp.: a small planarian is very abun- 

 dant on grass and weeds growing in the fresh water ponds about 

 the station. 



Leptoplana sp. 



Bdellonra Candida; this form occurs as an ecto-parasite at- 

 tached to the limbs and book-gills of the king crab, Limulu.s 

 polyphemus. 



ANNELLIDA. 



Neries pelagica; found abundantly among oysters all along 

 the coast. 



Diopatra ciiprea; the tubes of this annelicl are abundant on 

 the sand shoals near the mouth of Calcasieu Pass, and on sandy 

 flats at the Chandeleur Islands. 



CJiaetopterus pergamentaccons : abundant on the flats at th'"" 

 Chandeleur Islands ; the empty tubes are sometimes found on 

 the beach at Cameron. 



Arcnicola sp.: a few specimens were found at the Chande- 

 leur Islands. 



Sabellaria vulgaris; verj- common on shells in shallow water 

 all along the coast. 



