Proceedings of the Boston Society of Natural History, Volume 15Boston Society of Natural History., 1873 - Natural history |
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Common terms and phrases
abdomen Abundant adult Agassiz Annelids antennæ appears basin beds belonging birds body border Brachiopods breeds cañon Cañon City Ceph character chitinous collection color common Cordulia Crustacea Dactylioceras Decatur County deposits depressions Deroceras described Discina dorsal doubt eggs elevated England evidence existing fact feet female fragments Glacial period glaciers gneiss Harris Holocene Huronian ice-mass ice-sheet Lake larvæ lateral Lingula lobes localities Mahaska County male marked mass Massachusetts Mollusks moraines Museum nearly nest observed occur oviducts peduncle perhaps perivisceral cavity pilæ portion present probably Prof Professor Dana prothorax region river rocks sand Say Mss Say's determ schists seen segmental organs Selys setæ shell sides similar southward species specimens spring and fall stream striæ subimago supposed surface Terebratulina terraces tion tube typical drift valley ventral White Mountains whorl wings winter worms Yosemite young