. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. 8. / //# W i S'lfR'r?,.., 4. P All the figures represent frontal sections through the upper jaw. E denotes the rudiment of the enamel-organ of the second teeth. Fig. 1.—Frontal section through the upper jaw of a young Didelphys measuring 1 centim. from rump to nape. The third premolar with the rudiment of the enamel-organ of the second tooth. Fig. 2.—The first and second incisors of the upper jaw of a young Didelphys32 centim. in length. Fig. 3.—Third incisor of the upper
. The Annals and magazine of natural history; zoology, botany, and geology. Natural history; Zoology; Botany; Geology. Fig. 8. / //# W i S'lfR'r?,.., 4. P All the figures represent frontal sections through the upper jaw. E denotes the rudiment of the enamel-organ of the second teeth. Fig. 1.—Frontal section through the upper jaw of a young Didelphys measuring 1 centim. from rump to nape. The third premolar with the rudiment of the enamel-organ of the second tooth. Fig. 2.—The first and second incisors of the upper jaw of a young Didelphys32 centim. in length. Fig. 3.—Third incisor of the upper jaw of a young Didelphys 25 centim. in length. Fig. 4.—Fourth incisor of the upper jaw of a young Didelphys 3 centim. in length. Fig. 5 —Fifth incisor of the upper jaw of a young Didelphys 3 centim. in length. Fio-. 6,—Third premolar of the upper jaw of the 3-centim. stage. Fio-. 7.—Second molar of the upper jaw of the 3-2-centim. stage. Fig. 8.—Rudiment of the successor of the second molar of the upper jaw at the 3-centim. stage. The figures are sketched with the help of the camera lucida. Figs. 1 and 8 with Zeiss's objective D and eyepiece no. 2, reduced by one half; fii?s. 2-7 with Zeiss's objective A and eyepiece no. 2, reduced by one 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 London, Taylor and Francis, Ltd
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Keywords: ., bookce, booksubjectbotany, booksubjectgeology, booksubjectzoology
