894 TRANS. OF THE ACAD. OF SCIENCE. 
Fischer. The specimens are not sufficiently well. 
to permit me to give a satisfactory description of the species 
Locality—White Limestone, Guadalupe Mountains. 
Genus CAMEROPHORIA. 
C. BISULCATA, Sah, Trans, Acad. Sci., St. Louis, bi tA 
P- 96, pl. XI, fig. 2. a 
8 species was found very abundantly in the Dark Lime. 
atone beneath the White Limestone of the Guadalupe Moun- 
tains and very sparingly in the White Limestone. It is also 
quite common in the Conglomerate at the mouth of 
ware Creek, Texas 
C. SWALLOVIANA, n. sp. pl. XI, fig. 1 a—e. 
_ Shell small, 1 ag ae niacin or wide gin 
t near 
entra, but de 
