aaa . FAUNA OF SOUTH CAROLINA. 
XIII. ORDER. XIPHOSURA. 
Mouth not formed for suction nor furnished with organs of mastication, but surrounded by the 
feet, the first joint of each of which is armed with spines or teeth for performing that function. 
Tail, long, bayonet form. : 
50. Limulus Mul. 
69. polyphémus Lin. King-crab. 
5. CLASS. CIRRIPEDES. 
Respiration aquatic. No organs of locomotion in the adult state, animal fixed on other bodies. 
1. Anatifa Brug. 3. Condpea Say. * 
1. dentata Brug. 5. elongata Say. 
2. stridta* Brug. 4. Corénula Lam. 
2. Balanus Lam. 6. dentulata Say. 
3. ebtirmeus Gould. 5. Acasta Leach. 
4, (not determined.) 7. montagii* Leach. 
2, SUBDIVISION. VERMES. 
No articulated organs of locomotion. Nervous systems slightly developed. 
VI. CLASS. ANNELIDES. 
Respiration branchial. Blood generally red. In most, tufts of bristles serving as feet. 
1. Spio Lam. 5. Spirérbis Lam. 
1. caudatus* Lam. 7. two species 
2. Pectinaria a j 8. not determined 
2. bélgica all. 6. Sérpula Lin. 
3. Sabellaria Lam. 9. fascicularis Lam. 
3. two species 7. Lambricus Lin. 
4. not determined 10. two species Earthworms 
4, Terebélla Cuv. 11. not determined 
5. conchilega Pall. 8. Hirado 
6. ventricésa Bose. 12. two or more species Leeches 
13. not determined. 
VII. CLASS. ROTIFERA. 
Respiration cutaneous, blood white. Vibratile organs at anterior extremity. Microscopic ani- 
mals which have not yet attracted much attention in this State. 
VIII. ENTOZOA. 
Respiration cutaneous, blood white. No vibratile organs, nor special organs of locomotion. 
Parsasitic, inhabiting the internal organs of animals. 
We have not been able to procure a list of the species observed in this State. 
