File:PZSL1889Plate47.png

14: 12 days old, longitudinal horizontal section of dorsal region seen from ventral, magnification × 5
15: 12 days old, longitudinal horizontal section of upper middle region seen from ventral, magnification × 5
16: 12 days old, longitudinal horizontal section of lower middle region seen from ventral, magnification × 5
17: 12 days old, longitudinal horizontal section of ventral region seen from ventral, magnification × 5
18: 10 days old, longitudinal vertical section, magnification × 4
19: 10 days old, transverse section of umbilical region, magnification × 6
20: 10 days old, transverse section of stomach region, magnification × 6
21: 10 days old, transverse section of lower liver region, magnification × 6
22: 10 days old, transverse section of upper liver region, magnification × 6
23: 10 days old, transverse section of diaphragm region, magnification × 6
24: 10 days old, transverse section of heart region, magnification × 6
25: 7 days old, with lines showing sections 5-7 of plate XLVI
a.al' = left allantoic artery, al = alimentary canal, als = allantois, ao = aorta dorsalis, ap.p = pulmonary aponeurosis, b.g = gallbladder, c = heart, c.w = Wolffian body, d.a = diaphragm, d.m = Müllerian duct, [du = duodenum,] h = right liver lobe, h' = left liver lobe, lv = liver, m = median thoracic septum and abdominal mesentery and ligaments around alimentary canal, ml = diaphragm muscle, o.es = esophagus, pa = pancreas, pc = pericardium, pro = proventriculus, pul = lung, re = kidney, s.a = interclavicular air sac, s.a' = anterior diaphragmatic air sac, s.a'' = posterior diaphragmatic air sac, s.a''' = abdominal air sac, s.ob = oblique septum, spl = spleen, [st. = stomach cavity, um = umbilicus,] v.a = anterior abdominal vein (left allantoic vein), 1 = right ventral liver sac, 1' = left ventral liver sac, 2 = right pulmohepatic recess, 2' = left pulmohepatic recess, 3 = peritoneal cavity, 4 = pleural cavity, α = pulmohepatic ligament, β = omental septum (ventral portion of posthepatic septum), γ = oblique abdominal septum (antero-dorsal portion of posthepatic septum), * = foramen between hepatic and posthepatic parts of abdominal cavity.