1910 46 unnumbered pages, 18 pls, roy. 4to, loose in printed covers as issued (front cover sightly soiled). Museum d’Histoire Naturelle de Genève. Scarce.The plates depict Scaphopods (1 plate) and Bivalves (15 plates depicting Solenidae, Crassatellidae, Corbulidae, Tellinidae, Lucinidae etc.), and other invertebrates (2 plates). In all of the fossils 117 plates were published.