[viii.] 



Fig. 29. H. ZONITES, Pfeiffer. Proc. Zool. Soc, London, 

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" 30. H. BiLiNEATA, Pfeiffer. Proc. Zool. Soc, Lon- 

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" 31, H. BiNNEYANA, Morse. Portland Jour. Nat. 



Hist, i., (1864.) No. 19. 



" 32. H. FEREEA, Morse. Portland Jour. Nat. Hist., 



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MESOMPHIX. 



" 33. M. INTEETEXTA, Binney, 1. c, ii., p. 206, t. 36, 



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" 34. M. LiGERA, Say. Jour. Acad. Nat. Sciences, 



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Binney, 1. c, ii., p. 204, t. 35, (1851.) 

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fig. 5. 

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" 35. M. DEMISSA, Binney, 1. c, ii., p. 282, t. 42, fig. 



1, (1851.) No. 3. 



" 36. M. CERINOIDEA, Anthony. Amer. Jour. Con- 



chology, p. 351, t. 25, fig. 3, (1865.) No. 4. 



CONULUS. 



'• 37. C. CHERSINA, Say. Jour. Acad. Nat. Sci., ii., 



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" 38. 0. Fabrioii, Beck, Pfeifler. Zeit. fur Mai., p. 



90, (1848.) No. 2. 



W. G-. Binney, I. c, iv., p. 120, t. 77, fig. 17, 

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See also figures 63, 64. 



GASTEODONTA. 



" 39. Gr. guTjAEIS, Say. Jour. Acad. Nat. Sciences, 



ii., p. 156, (1821.) No. 1. 



Binney, l.c, ii., p. 250, t.37, figs. 3, 4, (1851.) 

 jr. hicoslata. Pfeifler. Monog. Hel. Viv., i., p. 

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