76 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
glossy, mostly without sculpture, but on some of the upper whorls 
faint, very slightly elevated, transverse ribs can be detected, with a 
lens; lines of growth very slight. Suture well impressed, little 
oblique. Aperture short-ovate; the outer lip is broadly rounded, 
slightly effuse in front; the columella is smooth, a little excurved, 
bending to the left, from its junction with the body-whorl, and then 
joining the outer lip in a regular curve; in the umbilical region its 
edge is raised and very slightly reflexed. No umbilicus. 
"Length, 8 mm.; breadth, 2 mm. 
"Eastport, Me., 20 fathoms, 1864,— A. E. Verrill and S. I. Smith. 
" The above description is from the original tyj^e. No other good 
specimen has yet been found. The nucleus is broken, but it appears 
to have been upturned. 
" The figure is from a camera-lucida drawing of the original 
specimen." 
We have not seen this species and have quoted Dr. Verrill's descrip- 
tion. 
A specimen labeled Turhonilla polita Verrill, cat. no. 203,244, U. S. 
national museum, comes from the Bay of Fundy. It is so badly 
decorticated that about all that one can say of it is that it belongs to the 
genus Turbonilla. 
TURBONILLA RisSO S. S. 
Turbonilla Risso s. s. 
Shell elongate-conic, surface marked with strong axial ribs which 
extend over the periphery to the umbihcal region. Spiral sculpture if 
present, consisting of microscopic striations only. 
T}'pe, Tw'honilla typica Dall and Bartsch. 
Key to Species of Tivrhonilla. 
Axial ribs on the last turn, 18 stricta. 
Axial ribs on the last turn, 22 nivea. 
Turbonilla (Turbonilla) stricta Verrill. 
PL 11, figs. 6, 7. 
Turbonilla stricta Verrill, Rept. U. S. comm. fish and fisheries, pt. 1, p. 
659, 1873. 
Shell regularly elongate-conic, milk white. Nuclear whorls two. 
