Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge

30 plants transferred Adinotherium Ameghino antero-posterior diameter appressed bracts branchial plate Bryant buds central shoots characters charges Chromosome cingulum complexes configurations Coryphodon cosh cosmic rays Cryptaspis cusp cylinder of radius Dalton dentition Devil's Gate dictatorship dorsal shield Easter ectoloph energy genes genoms genus Gregorian calendar Hall 21 Hall 30 heredity Heusi Homalodotherium hookeri hybrids hypanthium incisors Johansen Julian calendar lateral latitude laws length marginal hairs Mateo median melanophores midribs molars Mono months nature Notopithecus Notostylops notoungulate orbit pairs Pantolambda parent particles photons pigment Pleurostylodon posterior potential premolars present Pterygotus red papillae reddened region ridge Seed germination segmental arrangement sepal sepal tips showed shown skull sn² species specimen stem color structure surface density talonid teeth TEXT FIG tion Titanoides tooth Toxodonta transferred to field transverse diameter trigonid x-axis z-plane