Archive image from page 32 of Dansk ornithologisk forenings tidsskrift (1907). Dansk ornithologisk forenings tidsskrift danskornithologi09dans Year: 1907 Paa ganske lignende Maade foregaar Udviklingen hos Kryb- dyrene. Der opstaar ogsaa her ved Kim pletten s Midte og lige- ledes i det ydre Kimblad en Fortykkelse, fra hvis bagerste Rand ses et lille Fremspring, der kaldes Primitivstriben eller Primitiv-

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