320 Synopsis of the Genus Achatinella. 



53. A. taeniolata Pfr. Zool. Proc. 1846, p. 38. 

 " rubiginosa JVewc. Zool. Proc. 1853, fig. 69. 



I defer to the opinion of Dr. Pfeiffer in placing A. rubigi- 

 nosa as a synonym of liis A. taeniolata. 



The form of the shells is nearly identical, and although, dif- 

 fering in marking, the principal ground of separation originally 

 was a difference in the animals. The dark chestnut shell is fur- 

 nished with a light, and even the immaculate variety of taenio- 

 lata, with a brown-colored mantle. 



54. A. Yariegata Pfr. Zeitschr. 1849, p. 90. 



" rubens var. Reeve. Mon. pi. 6, fig. 42 a. 



" decepta C. B. Adams. Contr. to Conch., p. 12 7. 



55. A. corneola Pfr. Zool. Proc. 1845, p. 90. 



56. A. aptyclia Pfr. Zool. Proc. 1855, fig. 1. 



57. A. pillchella Pfr. Zool. Proc. 1855, fig. 2. 



58. A. cinerosa Pfr. Zool. Troc. 1855, fig. 5. 



59. A. multicolor Pfr. Zool. Proc. Jan. 1855, fig. 11. 



" ovi/ormis Newc. Zool. Proc. Nov. 13, 1855, p. 208. 



60. A. SwaillSOUi f Pfr. Zool. Proc. 1855, fig. 1 3. 



61. A. Sowerfoyaiia Pfr. Zool. Proc. 1855, fig. 14. 



62. A. dolium Pfr. Zool. Proc. 1855, fig. 15. 



63. A. rudis Pfr. Zool. Proc. 1S55, p. 5. var. /3. 



" chlorotica " " " " p. 203, immature. 



« albida " " " " p- 203, var. 



The shell figured pi. 30, fig. 17, is a variety of A. intermedia 

 jYewc. In Mus. Cuming the variety may well be separated 



