Opinion 81. The genotype of Cimex, Acanthia, Clinocoris and Klinophilos. Opinions 78–81Published in Smithsonian Miscellaneous Collections, in 1924, in volume 73, pages 19-32Opinion 80 Suspension of rules in the case of Holothuria and PhysaliaPublished in Smithsonian Miscellaneous Collections, in 1924, in volume 73, issue 2, pages 17-18
Opinion 80 Suspension of rules in the case of Holothuria and PhysaliaPublished in Smithsonian Miscellaneous Collections, in 1924, in volume 73, issue 2, pages 17-18