Subject ASC0003yu5

The geologist : a popular monthly magazine of geology.
v.4 (1861), Page 74 (1861)
American Museum of Natural History Library
BHL Page 47658783

Keywords

geology fossil crustacean Skiddaw slates Dithyrocaris branched Graptolites dichotomous worms Skiddow slate graptolite Fossils: crustacean graptolites

Contributors

Species