312 Synopsis of the Genus Achatinella. ' 



19. A. Citrina Migliels. Reeve's Mon. fig. 33. 



Animal of a uniform light yellow color, superior tentacles 

 and tentacular sheath light slate. 



20. A. plicata Migliels. Proc. Bost. Soc. January, 1848. 

 Bulimus liratus Pfr. Zool. Proc. 1851. 



Animal rather shorter than the shell ; tentacles at their origin 

 closely approximating, short and strongly clubbed ; bottom of 

 foot, mantle, and posterior part light grey, anteriorly mottled 

 with fine bluish dots. 



Motions at first sluggish and timid, but soon becoming bold, 

 rapid, and gliding. 



21. A. mibilosa Migliels. Proc. Bost. Soc. January, 1848. 



Animal tessellated black and grey (when in motion), tenta- 

 cles deep black, bottom of foot and mantle dark brown. 



22. A. virgulata Ulighels (Partula). Proc. Bost. Soc. 



1845. 

 " Rohri Pfr. Zool. Proc. 184G. 

 Bulimus Rohri Pfr. Zeitschr. 1840. 

 A. insignis Migh. In Schedule (Pfeiffer and Reeve). 



Animal of a uniform bluish white, including the tentacles 

 id 

 line. 



and mantle ; tentacular sheath marked with a light brownish 



23. A. Tiridans Ullghels. Proc. Bost. Soc. Jan. 1845. 



« radiata Pfr. Zool. Proc. Aug. 1845. 



" radiata Reeve. Mon. fig. 35. 



" rutila Pfr. non Ncwc. var. (3. Mai. Blat. 1854. 



" sub-virens Pfr. non Newc. " y. do. 



" decipiens Pfr. non Newc. " 5. do. 



