534 Verrill and Bash— Marine Mollusca of the Bermvdas. 



Subgenus Cingulina A. Adams, 1860. Type, C. circinata A. Adams, 



Cingulina A. Adams, Ann. Mag. Nat. Hist., vi, 3d series, p. 414, 1860. 

 Po?i/spiVe«a Carpenter, Proc. Boston Soc. Nat. Hist., vii, p. 407, 1861 (not 



defined)'. Type, and only species, Chemnitzia trachealis Gould, 1861. 

 (Not Mirahla A. Adams, 1864, nor Cingulina Monterosato, 1 884 =i?issoa.) 



" Test having a subulate, turrited form with the numerous whorls 

 ornamented with elevated, spiral cingula with sculptured interstices. 

 Aperture oblong, anteriorly entire ; inner lip straight, simple ; outer 

 lip sharp and arched." 



Only species and type, C. circinata A. Adams. 



Longitudinally striate and spirally cingulate species of Odostomia. 



Odostomia (Cingulina) Babylonia (C. B. Adams) Bush. 



Plate LXV. Fig. 11. 



Chemnitzia Babylonia C. B. Adams, Proc. Boston Soc. Nat. Hist., ii, p. 6, 1845. 

 Chemnitzia {Miralda) Babylonia Morcli, Syn. Moll. Mar., p. 165, 1875, (a 



Cingulina A. Adams). 

 Odostomia (Miralda) Babylonica Tryon, Manual Conch., viii, p. 358, 1886. 

 Odostomia (Cingulina) Babylonica Bush, Proc. Acad. Nat. Sci., Philadelphia, 



p. 176, 1899. 



On the three specimens from Bermuda the deep spaces between 

 the conspicuous spiral ribs are crossed by numerous microscopic, 

 raised longitudinal lines, more nearly perpendicular than indicated 

 in the figure. This ornamentation seems to have been overlooked 

 by Profs, Adams and Morch, 



From the shell-sand. 



Subgenus Miralda A. Adams, 1864. Type, M. diadema A. Ad. 



Miralda A. Adams, Journ. Linnean Soc, vii, p. 3, 1864. Monterosato, 1884, 



in part. Tryon, 1886, in part. 

 Parthenia Carpenter, Mazatlan Moll., p. 415, (Section B, in part), 1855-7. 



"Test solid, ovate or elongate ; whorls plane, posteriorly plicate, 

 anteriorly transversely lirate. Aperture with the lip posteriorly sub- 

 angulate with crenate margin." 



" A little group, solid, half costate and half lirate, which I desig- 

 nate 3firalda.^^ 



First species — Parthenia diadema A. Adams, 1860 — taken for the 

 type. 



Species of Odostomia having the whorls ornamented with more 

 or less developed granules above and below, and on the base with 

 distinct, sometimes conspicuous, spiral cingula. 



