IXVERTEKKATE FOSSILS. 21 



2036 Diptychoceras Isevis Gahh. 



2038 Baculites occidentalis Meek. 



2039 Baculites inornatus Meek. 



2049 Fusus tumidus Gabh. 



2050 Fusus occidentalis Gahh. 



2051 Fusus Mexieanus Gahh. M. 



2052 Neptunea (Tritonofusus) cretaeea Gahb. 



2053 Neptunea mucronata Gahh. 



2057 Palaeatractus crassus Gahh. 



2058 Eripachya ponderosa Gahb. I. 



2059 Eripachya perforata Gahb. I. 



2060 Eripachya Hoffmannii Gabb. I. 



2065 Surcula prseattenuata Gabb. 



2066 Surcula sinuata Gabb. I. 



