Pennsylvanian invertebrates of the Mazon Creek Area, Illinois: the morphology and affinities of Tullimonstrum / Ralph Gordon Johnson -- and Eugene S. Richardson, Jr. --

v.12:no.8(1969)

New fossil polychaete from Essex, Illinois / Ida Thompson -- and Ralph G. Johnson --.

v.33:no.25(1977)

Post-glacial fossil vertebrates from east-central Illinois / by Edwin C. Galbreath.

v.6:no.20(1938)

A new Devonian trilobite from southern Illinois / by Sharat Kumar Roy --

v.6:no.4(1933)

Bandringa rayi: a new Ctenacanthoid shark from the Pennsylvania Essex fauna of Illinois / Rainer Zangerl --

v.12:no.10(1969)

Longiscitula houghae; a new genus of dissorophid amphibian from the Permian of Texas / Robert E. DeMar, Asst. Professor of Geology, University of Illinois, Chicago Circle Campus.

v.16:no.2(1966)

New Pennsylvanian lungfishes from Illinois / Robert H. Denison, Curator, Fossil Fishes.

v.12:no.12(1969)

A crinoid from the Pennsylvanian Essex fauna of Illinois / N. Gary Lane --

v.12:no.9(1969)

Megapleuron zangerli : a new dipnoan from the Pennsylvanian, Illinois / Hans-Peter Schultze --.

v.33:no.21(1977)

Bulletin of the Illinois State Laboratory of Natural History.

5 (1897 - 1901)

Bulletin of the Illinois State Laboratory of Natural History.

11 (1915 - 1918)

Transactions of the Department of Agriculture of the State of Illinois with reports from county and district agricultural organizations for the year ...

39

Bulletin of the Illinois State Laboratory of Natural History.

12 (1915 - 1917)

Transactions of the Illinois State Horticultural Society for ...

n.s. v. 21

Transactions of the Illinois State Horticultural Society for ...

n.s. v. 3