29G INVERTEBRATE FAUNA OF SOUTH CAROLINA. 



Cy there bifasciata Say. 



Daplinia angnlata Saj'. 



Limulus polyphemus Linn. (This species has a long, pointed, spine-like tail. It at- 

 tains a length of more than a foot. It is commonly known as the Horse-shoe 

 Crab, also King Crab.) 



CIRRIPEDIA. BARNACLES. 



[Six pairs of forked, cileated limbs. Permanently attached in the adult state ] 



Acasta spongites. 



Balanus balanoides Stm. (Acorn barnacles.) 

 ebnrneus Gould, 

 galeatus Darwin. 

 Lepas (Goose barnacles.) 

 anatifera Linn, 

 anserifera Linn, 

 pectinata Spengler. 



CLASS ANNELIDA. TRUE WORMS. 



[Mostly with red blood ; body with external segmentation. Xo jointed appendages. 

 Aquatic respiration by means of the general surface of the body, by involutions of the 

 skin, or by gills.] 



ORDER POLYCH.ETA. 



Arabella opalina Verrill (N. C.) 



Anthostoma robustum Verrill (N. C.) 



Cistenides gouldii Verrill. 



Diopatra cuprea Claparede 



Hydroides dianthus Verrill (N. C.) 



Nephthys picta Ehlers. 



Nereis limbata Ehlers. 



Rhynchobolus aniericanus Verrill (N. C.) 



