Kirtlandia vagrans : Egg with blastoderm showing germ ring (GR) fully differentiated and an early stage in differentiation of embryonic shield (ES). 1916. Silversides--Embryology.
Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
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Freshwater and Marine Image Bank, University of Washington Libraries Digital Collections
Kuntz, Albert. 1916. Notes on the Embryology and Larval Development of Five Species of Teleostean Fishes. Washington, DC : Government Printing Office. Bulletin of the United States Bureau of Fisheries, vol.34, 1914; Fig.35