402 TRANS. OF THE ACAD. OF SCIENCE. 
angle 37°; volutions six or seven, convex; body volution or- 
namented, usually, oe six rounded ¢ caring, of which the two 
which song give a subnodulose appearance 
impressed ; aperture oblique ovate. 
a reas —Length, 0.26; width, 0.16. gi gts 
Ge and Loe. Sane with the last. It is an ex 
aoe seas “and elegantly ornamented species, and if we 
om the number of specimens brought 7 
the ie, it is quite abundant at this locality. 
Macrocueitus TEXANUs, n. sp. 
Shell of moderate size, ovate; length greater than the width} 
volutions five, evenly convex; body volution bere finig'd 
occupying a about three-fourt. ha of the total le di- 
ninishin rapidly to the apex which is pointed; spiral an tl 
69°, suture slightly impressed ; eeyeas ee ne clongate 
ovate, occupying rather more than ania oe be aed 
ngulatec re, rounded below, outer Tp som ewhat nat Ie 
ly arched, i inner lip sinuate. No s rings are 
— on soe gs of the specimens that have come ut 
mis _—Length, 0.76; width, 0.46 ; len sh 0 : per 
ture, 0.42 ; width of same, 0 0.13. i a 
This shell is very similar to Macrocheilus ponderosus,' 
low, a species of the Coal Measures of Missouri and B 
al ours is a dg idegokes and the yapakres H 
it | 
