“R. P, Stevens on new Carboniferous Fossils. 259 
Actis (Loven).—1. A. minuta, n.s. Shell turreted, pone 
ted, slender. Whorls 10, rounded, gradually diminishing to the 
apex and ornamented (on the body whorl) with 12 very minute 
- longitudinal lines, which are stronger on the lower half of each 
whorl. Apex polished. Length 0-2 of an inch, width (body 
_ Whorl) 0:05 of an inch 
+ 
é°D 
an inch 
Position and locality: roof of the Danville, Ill. coal seam, 
which is the third in the ascending series. 
- A. robusia, n.s. Shell turreted, tapering. Whorls 7, body 
whorl more robust than the others, one-third as wide as the total 
length of the shell. Ornamented with longitudinal lines, which 
are obsolete on the upper side of the apicial whorls. Pillar lip 
curving outwards to meet the labrum, which is thin and regular 
and united to the body whorl at right angles. 
Dimensions: length 0°3 of an inch, width of body whorl nearly 
015 of an inch. ; 
Position and locality as the preceding. 
CHEMNTTz1A (D’Orbigny).—C. attenuata, n.s, Shell turreted, 
elongated, slender. Whorls 12, flattened, regularly diminishing 
until lost in a smooth, minute apex. Whorls exhibiting numer- 
ous Scooped indentations, which are continued to the upper edge 
of each volution, giving at the suture a nodulated appearance. 
mensions: length 0:8 of an inch: body whorl, width 0-1 of 
Position and locality as the preceding. \ 
LOXoNEMA (Phillips) —1. Z. Newberryii, n.s. Shell rob 
Position and locality as the preceding. 
- carinata, n.s. Shell robust, elongated, spire more rap- 
idly tapering than in the preceding species. Whorls 7, slightly 
pounded, and at their suture bearing a sharp carina extending 
fom the upper angle of the mouth to the extremity of the ire. 
Mouth twice as long as wide. Columella with a distinct fol : 4 
Dimensions: length 1 inch, width of body whorl 0°4 of an inch. 
sition and locality as the preceding. ==, 
* £. Danvillensis, “é s. een 4 rapidly diminishing, gen- 
i Tounded, ornamented with numerous oblique hair-like Tew 
Pj), Whorl inflated equal to the spire. Apex minute po 
ilar lip with a slight fold. Labrum thin and effuse. 
