126 CARYODES. 



outer lip light edged, blunt and simple ; columella vertical, expanded 

 and adnate, white, subtruncate at its junction with the deeply arcuate 

 basal lip. 



Alt. 35, diam. 20, length of aperture 19 mill, (typical). 



Alt. 45, diam. 24, length of aperture 23 mill. 



Alt. 23, diam. 11, length of aperture 11.5 mill. (Cataract Hill). 



Alt. 17. diam. 10.5, length of aperture 9 mill. (Georgetown). 



Tasmania : Hobart and Swansea, on the East coast ; Bothwell, 

 about 50 miles N. of Hobart ; Ringarooma, in the extreme N.-E.; 

 St. Leonards, near Launceston, Georgetown, and Pattersonia, in the 

 North; PortDavey, in the Southwest, and Macquarie Harbor, on the 

 west coast. Probably inhabits the whole island. 



Bulimus dufresnii LEACH, Zoological Miscellany, ii, p. 154, pi. 



120 (1815) Chenu's reprint, Bibl. Conch., iii, p. 11, pi. 9, f. 7. 



DESH., in Lam., An. s. Vert, viii, p. 246. PFR., Monogr. ii, p. 

 168; iii, 406; iv, 466; vi, 105; viii, 143 REEVE, Conch. Icon. p. 

 37, f. 319. Cox, Mon. Austr. Land Shells, p. 70, pi. 13, f. 12. 

 Helix dufresnii FER., Prodr. p. 48; Histoire, pi. 113, f. 1, 2, 3. 

 QUOY & GAIMARD, Zool. Voy. Astrolabe, ii, p. 118, pi. 10, f. 1-3. 

 TENISON- WOODS, Proc. Linn. Soc. N. S. Wales, iii, p. 81, pi. 7 

 (variations of shell, etc.) HEDLEY P. L. S. N. S. W. (2), vi, p. 

 19, pi. 3,f.l (living animal). Orthostylus dufresnii BECK, Index Moll., 

 p. 50. Bulimus \ Caryodes) dufresnii ALBERS, Die Hel., p. 141 

 Caryodes dufresnii FRAUENFELD, Verh. Zool.-bot. Ges. Wien, xix, 



1869, p. 874 SEMPER, Reisen in Archip. Phil., Landmoll., p. 103, 



pi. 12, f. 23-25, pi. 16, f. 7 (anatomy). HEDLEY, Rec. Austr. Mus. 

 ii, p. 29 (1892). PILSBRY, Man. Conch, ix, p. 162, pi. 46, f. 15 

 (living animal, after Hedley), f. 16 (shell), pi. 42, f. 41-46, pi. 



49, f. 24 (anatomy) Placostylus (Caryodes} dufresnii H. & A. 



ADAMS, Gen. Rec. Moll, ii, p. 154. P. (Cariodes} dufresnii 

 TAP.-CAN., Viaggio Magenta," p. 86. 



While strongly individualized, this species varies excessively in 

 contour, color and sculpture. Fig. 91 represents atypical specimen, 

 exact locality unknown. Fig. 16, of pi. 46, vol. ix, is another from 

 the same lot. The ground color is chestnut, punctation strongly de- 

 veloped. Fig. 90 is more olivaceous-chestnut, and the largest shell 

 I have seen. Fig. 87 is a small blackish form. Fig. 86 is a small 

 dark form with scarcely any micro-sculpture, from Georgetown. 

 Fig. 88 is three banded, olivaceous-brown and densely punctate 



