@article{oai:repository.dl.itc.u-tokyo.ac.jp:00037655, author = {Mitsukuri, Kakichi and Ishikawa, Chiyomatsu}, journal = {The journal of the College of Science, Imperial University, Japan = 帝國大學紀要. 理科}, month = {}, note = {application/pdf}, pages = {211--246}, title = {On the Formation of the Germinal Layers in Chelonia}, volume = {1}, year = {1887} }