This journal provides immediate access to some articles. Volume 9(12); December 1923 Genetics Control of the Appearance of Pupa-Larvae in Paedogenetic Diptera PMCID: PMC1085471 Mathematics Note on an Experimental Problem of the Late A. G. Webster PMCID: PMC1085467 A New Kind of Representation of Surfaces PMCID: PMC1085468 The Electromagnetic Field and Curvature PMCID: PMC1085469 On the Deformation of an n Cell PMCID: PMC1085470 Pathology The Absolute Weight of the Heart and the Spleen PMCID: PMC1085475 The Nature of Resistance to Seedling Blight of Cereals PMCID: PMC1085476 Physics The Wave-Lengths of Secondary X-Rays PMCID: PMC1085472 The Wave-Lengths of Secondary X-Rays (Second note) PMCID: PMC1085473 Zoölogy Symbiosis between Termites and Their Intestinal Protozoa PMCID: PMC1085474 Journal Matter Original table of contents page Administrative content — journal masthead, notices, indexes, etc. | ||