174 A°*. Dark: 
PALEOZOIC PALEONTOLOGY. 
. Protowarthia cancellata (Hall) 
. Liosmra macula (Hall) 
9. Bumastus trentonensis (Emm.) 
10. 
fale 
Proetus latimarginatus n. sp. 
Proetus brevimarginatus n. sp. 
fossiliferous limestone. 
Rafinesquina alternata (min. ) 
Plectambonites sericeus (Sow. ) 
Dalmanella testudinaria (Dal.) 
Zygospira recurvirostris (Hall) 
Modiolopsis sp. undet. 
. Bumastus trentonensis (Emm.) 
. Proetus latimarginatus n. sp. 
174 A®*. Dark. fossiliferous lhmestone. 
Ile 
5) 
9 
(335 
1S Dahil 
7A ASS Darks 
I: 
» 
a) 
2. 
4, 
Pilectambonites sericeus ( Sow.) 
. Dalmanella testudinaria ( Dal.) 
Modiolopsis faba (Con.) 
fossiliferous limestone. 
Plectambonites sericeus (Sow.) 
Dalmanella testudinaria (Dal.) 
Zygospira recurvirostris (Hall) 
Ctenodonta nasuta (Hall) 
Modiolopsis faba (Con.) 
3. Bucania punctifrons Emm. 
. Protowarthia cancellata (Hall) 
. Lophospira medialis U. & 8. 
. Orthocerus sp. undet. 
. Proetus latimarginatus n. sp. 
. Proetus brevimarginatus n. sp. 
fossiliferous limestone. 
Rafinesquina alternata (Kimm. ) 
2. Plectambonites sericeus (Sow. ) 
Dalmanella testudinaria ( Dal.) 
Zygospira recurvirostris (Hall) 
8 in. 
1 ie eine 
iis aey ile nel 
