102 CLASS III. GASTEROPODA. ORDER VI. PULMOBRANCHIATA. 
Pl. CLXXXVI_. Fig. 5. 
Heticina rHopostoMA, Gray, Zool. Journ., vol. i. p. 68. pl. 6. f. 9. 
Deshayes, edit. of Lamarck, vol. viii. p. 161. 
Pl. CLXXXVI. Fig. 6. 
Hexicina puLCRERRIMA, Lea, Trans. American Phil. Soc. Sowerby, 
Jun., Thesaurus Conchyliorum, pl. 1. f. 14. 
Pl. CLXXXVI. Fig. 7. 
Hexicina MAJor, Gray, Zool. Journ., vol. i. p. 68. pl. 6. f. 10. Des- 
hayes, edit. of Lamarck, vol. viii. p.162. Sowerby, Genera of Shells, 
No. 36. f. 1. 
Pl. CLXXXVI. Fig. 8. 
Heticina viripis, Lamarck, Anim. sans vert., new edit., vol. vill. p. 158. 
Gray, Zool. Journ., vol. i. p. 67. pl. 6. f. 7. Delessert, Recueil de 
Coquilles, pl. 27. f. 3. a, b, c,d. 
Pl. CLXXXVI. Fig. 9. 
Heicina potita, Sowerby, Jun., Proceedings Zool. Soc., 1841. The- 
saurus Conchyliorum, pl. 2. f. 76 to 81. 
Pl. CLXXXVI. Fig. 10. 
Hexicina Tanxervitu, Gray, Zool. Journ., vol. i. p. 250. Sowerby, 
Genera of Shells, No. 36. f. 2. 
Pl. CLXXXVI. Fig. 11 and 12. 
HELICINA AGGLUTINANS, Sowerby, Jun., Proceedings Zool. Soc., 1841; 
Thesaurus Conchyliorum, pl. 2. f. 83 to 85. 
Pl. CLXXXVI. Fig. 13. 
HELICINA PULCHELLA, Gray, Zool. Journ., vol. i. p. 64. pl. 6. f.1. Des- 
hayes, edit. of Lamarck, vol. viii. p. 160. 
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