* ® ail 
ie. 
260 R. P. Stevens on new Carboniferous Fossils. 
Dimensions: length 0°45 of an inch, width of body whorl 020 
of an inch, width of mouth 0°10 of an inch. 
Position and locality as above. 
his shell is the shortest of the family which has come under 
my observation, and for some time it was classed under the Mae- 
rocheilus: but after examination of numerous specimens it 1s 
placed among the Loxonema. 
4. L. polita, n. 8, Shell slender, elongated. Whorls 6? ob- 
lique, slightly rounded, under the glass exhibiting numerous 
filiform strix, which converge at the sutures. Apex? (wanting 
in the specimen). Labium with a slight fold and slightly re- 
flected. Labrum thin and not effuse. Mouth one-half the width 
of the body whorl. 
Dimensions: length 0°5? of an inch, width of body whorl 02 
of an inch, width of mouth 0-2 of an inch. 
Position and locality: roof of Danville coal. 
5. L. nodosa, n.s. Shell robust, elongated. Whorls numer 
ous, flattened, and exhibiting rudimentary nodes. Mouth and 
body whorl equal. Pillar lip smooth. | : 
Dimensions: length 1-00? inch, width of body whorl 0°40 © 
an inch 
Position: in the unproductive shales between the upper and 
lower coal series of the Appalachian coal measures. gil 
Locality: Summit, Columbiana Co., Ohio. > 
6. L. tenui-carinaia. Shell slender, elongated. . Whorls 6 
very slightly rounded, a hair-like carina at the sutures. Apex 
(wanting). Body whorl not inflated. Pillar lip smooth. 0 
Dimensions: length 0°50? of an inch, width of body whorl 
of an inch, 
Position and locality as above 
. L. minuta, n. s. Shell small, slender, Whorls 6, smooth, 
gently rounded, body whorl more than one-half the total length 
of the shell, apex minute, suture well defined, columella pen 
and gently curving outwards to meet the labrum. Mouth 0B 
half the length of the body whorl. 10°05 
ensions: length 0-2 of an inch; width of body whor 
of aninch, 
Position and locality: in the roof of Danville coal and uppet 
shales of Sangamon Co., 
: : ys 
curve first downwards and then upwards, crossing on Mouth 
| 
‘i i 
