FAUNA OF SOUTH CAROLINA. xix 
Ill. DIVISION. MOLLUSCOUS ANIMALS, 
No proper skeleton, internal or tegumentary, body sometimes naked, sometimes protected by a 
shell. Organs symmetrically placed about a median plane, in general curved. No cerebro-spinal 
axis. Nervous system ganglionary, but not forming a series. 
1. SUBDIVISION. MOLLUSCA. 
Animals oviparous. Ganglia, several, forming a collar round the esophagus. Circulatory sys- 
tem highly developed. 
1. CLASS. CEPHALOPODA. 
Body in the form of a sac, furnished with a distinct head, around which are placed the organs of 
locomotion or prehension, in the form of tentacula. 
1. Octopus Lan. 3. Spirtla Lam. 
1. granulatus Lam. v. 11, p. 362. 3. Peronii Lam. Sow. Gen. 
2. Loligo Lam. 
2. brevipinna Les. J. A.N.S. v.3, pl. 10. 
2. CLASS. GASTEROPODA. 
Body with a distinct head, and a fleshy disk on under side by means of which the animal 
crawls; in most cases the animal is protected by a shell, which is univalve. 
A. Terrestrial, respiration aerial. 
1. Tebenndéphorus Bin. 15. perspectiva Say. J. A. N.S. v. 1, p. 18 
1. carolinénsis Bosc. Fer. Moll. pl. 6, f. 3*) 16. gularis Say. J. A. N.S. v. 2, p. 156 
2, Limax Lin. 17. pulchélla Mul. Gould In. Mass. f. 102 
2. flavus Lin. Fer. Moll. pl. 5,f. 1*4. Papa Lam. 
3. Hélix Lin. 18. rupicola Say. J. A. N.S. v. 2, p. 163 
3. albilabris Say. Am. Con. pl. 13,f1| 19. fallax Say. Gould In. Mass. f. 123 
4. major Bin, B.J.N.H.v.1, pl.12*| 29. ovata* Say. J. A. N.S. v. 2, p. 375 
5. aspérsa Mul. Wood I. pl.34, f. 126) 21. péntodon* Say. J. A. N.S. v. 2, p.376 
6. thyroidus Say. Am. Con. pl. 13, f. 2 |5. Bulimus Brug. 
7. tridentata Say. Wood Sup. pl.7,f. 11) 22. decollatus Lin. Wood In. pl. 34, f. 135 
8. fallax Say. J.A.N.S.v 5, p.119) 23. (not determined) 
9, appréssa Say. J. A.N.S.v 2, p.119/6. Glandina Schu. 
10. auriculata Say. J.A.N.S.v i. p-277| 24. truncata. Gm. Am. Con. pl. 20 
. * TO ASP. Suave, 17. Succinea Dra 
pi. carolaxenais © "Les. 15. f. 33. iacan: abalis Say! Gould!in: Mesehae tas 
12. inornata Say. J.A.N.S.v. 2,p.371, 26. campéstris Say. Gould In. Mass. f. 126 
13. concéva Say. J.A.N.S:v. 2, p.159/8. Auricula Lam. 
Sar-alternAta Sa Gould In. Mass. | 27. bidentéta Say. Gould In. Mass. f. 130 
+ eta Post Ne 28. obliquus* Say. J. A. N.S. v. 2, p.277 
B. Aquatic, fluviatile, respiration aerial. 
9. Planérbis Mul. 31. glabratus* Say. J. A. N.S. v. 1. p. 280 
29. lentus Say. Am. Con. pl. 54, 61 10. Physa Drap. 
30. parvus Say. Gould In, Mass. f. 139 32. gyrina Say J. A.N.S. v.2 p. 271 
