Countershading in caterpillars
Subtitle: an analysis of its adaptive significanca
By: L. De Ruiter
Contributors: Rijksuniversiteit te Groningen
Publisher: E.J. Brill
Published: 1955
Place of publication: Leiden
Language: dut
Number of pages: 57
Notes: Summary and Stellingen in Dutch.

Also published in Archives neérlandaises de zoölogie, v.11.

Thesis (doctoral)--Rijksuniversiteit te Groningen, 1955.