464. O. Meyer—Species in the Southern Old-tertiary. 
5 
each other as they are different from the forms in Jackson and 
Vicksburg. For this reason I prefer not to use varietal names 
for these two localities. 
52. Turritella lineata Lea, from Claiborne, increases in width 
much more rapi than 7. alveata C. from Jackson, where the 
first whorls are flat and only the older whorls become rounded. 
But _ species are perhaps to be related to each other. 
56. Th i 
cus seems to be slighter, but I will not propose a special vari 
etal name. A characteristic of Matica parva is that the upper 
part of the whorls is broadly canaliculated. This quality is obso- 
lete in a new species from Vicksburg, Watica decipiens. As form 
and umbilicus, however, are alike, and smaller markings agree, 
for instance a callous prominence on the posterior part of the 
mouth, I relate them to each other. : 
sides Hulima aciculata Lea sp., there is in Claiborne & 
very rare species of Eulima, as highly polished and of about the 
me form, which is characterized by an indistinct suture. e 
Or 
not detect specific differences. Huldima exilis Gabb, from Texas, 
which I do not have, seems to have the same indistinct suture, 
and is perhaps identical. : : 
1. In Jackson occurs a species nearly allied to Déstoriri 
s. It differs in having the canal 
may be called Distortrix Jacksonensis. This species is probably 
to be related to Distortrix crassidens C. from Vicksburg. 
- 65. In Jackson and Vicksburg océurs a species, Fusus Boelt- 
geri,* n. _ closely allied to Fusus subtenuis Heilpr. from Wood's 
68. A species in Jackson, Turbinella humilior, u. sp. Afters 
from Turbinella protracta ©. in being shorter and stouter and 
having a somewhat reflected canal. The two species agree other- 
_ Wise; for instance the following marks at the mouth are common 
to both. On the inner lip there are three little prominent folds; 
-_ *Tm honor of my friend, the : - Boettger, in 
Frankfurt a. M. y a he able and careful naturalist, Oscar ttge 
