51 



COELENTERATA. 



Hycl^ctinea ccJiinata — Found abundantly on piles and rocks 

 of the jetties at Cameron; also abundant on oysters from many 

 points on the coast. 



Siphonophora — PhysaJia arethusa: The "Portugese man 

 of war" occurs abundantly during the summer months in the 

 waters of the gulf. -^ 



Scyphomedusae — C^irojDsahnus quadrumanus ; found four or 

 five miles off shore from Calcasieu Pass in large numbers during 

 August and September. 



Stomolophus meleagris; fully grown specimens are present 

 m the waters of the gulf during all seasons, while during August 

 and September the young are seen in dense masses covering the 

 surface of the^ water. 



Chrysao/a sp.; taken while dredging in twelve to eighteen 

 feet of water off Calcasieu Pass. 



Anthozoa — Renilla reniformis ; a few specimens' found on 

 the beach at Cameron ; abundant on the beach at the Chandeleur 

 Islands. ^ 



Leptogoiyia virgidata; rarely found at Cameron. 



Gorgonia sp. ; found attached to mollusk shells at Cameron, 

 off Southwest Pass (Vermilion Parish), and at the Chandeleur 

 Islands. 



Actiniaria — Antlioplcura cavernata; common on the rocks 

 of the jetties at Cameron. 



Calliactis tricolor; on gastropod shells, inhabited by- her- 

 mit crabs from Cameron and the Chandeleurs. 



Aiptarsia pallid^; abundant on the jetties at Cameron. 



Ammophilactis rapiformis ; found in large numbers on thf; 

 beach at Cameron after storms. 



Ceriantlnis nmericanns : the tubes of this actinian were found 

 in the flats at the mouths of bayous that cut up the marsh on 

 the east side of the Chandeleur Islands. 



Note — After a severe storm in ]\Iay, 1905, a large Bunodid 

 and three specimens of an Edwardsian were found on the beach 

 a" Cameron, but all of these were too badly mutilated to be 

 ifientified. 



