Berlin, G. Reimer, 1887. 4to (30.3 x 23.8 cm). 111 pp.; 30 text figures, nine fine lithographed plates with explanatory text leaves. Publisher's stamped wrappers. Plates loose in pocket.

Rare and important monograph on Mesozoic reptilians by the German palaeontologist Ernst (von) Koken (1860-1912). Well-illustrated. Published in the Palaeontologische Abhandlungen, edited by W. Dames and E. Kayser. Offprint with double pagination. Uncut. A very good, clean copy with all the plates. Nissen ZBI, 2278.