On the Graptolites prepared by Holm. I, VI, VII. Plates

Description:

Plates only. I: Certain 'Diprionidian' Graptolites and Their Development; VI: Structural Characteristics of some Dictyonema and Desmograptus species from the Ordovocian and Silurian Rocks of Sweden and the East Baltic Region; VII: The Graptolite Fauna of the Lower Orthocera Limestone of Halluden, Oland and its Bearing on the Evolution of the Lower Ordovician Graptolites.

Arkiv for Zoologi Bd 24A(8); 26A(5); 28A(17)

Condition

Ex-lib: ink stamps. I - bound in cloth, wrapper retained; VI + VII in wrappers (VI - covers detached)