. De la formation du blastoderme dans l'uf d'oiseau. Embryology; Birds. FORMATION DU BLASTODERME. lUU stade de la tin de la segmeiiLation («, cavité de .sei^iiieiitatioii, à l'état de fente, séparant l'ectoderme ex de la masse ento- ê. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Duval, Mathias, 1844-1907. Paris : G. Masson, Ãditeur

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Keywords: ., bookcentury1800, booksubjectbirds, booksubjectembryology, bookyea