. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. BRANCHIOSTEGiL RafS Fig. 316. Developmental stages of neurocranium of the bowfin, Amia calva. (A and B redrawn from De Beer, '37, after Pehrson; C and D from Allis, 1897, J. Morph., 12.) (A) Ventral view of stage. (B) Dorsal view of stage. (C) Cartilaginous neurocranium of adult stage. (D) Dermal (membrane) bones overlying neurocranium of adult stage. Cartilage = coarse stipple; bone = fine stipple. 670. Please note that these ima

---

. Comparative embryology of the vertebrates; with 2057 drawings and photos. grouped as 380 illus. Vertebrates -- Embryology; Comparative embryology. BRANCHIOSTEGiL RafS Fig. 316. Developmental stages of neurocranium of the bowfin, Amia calva. (A and B redrawn from De Beer, '37, after Pehrson; C and D from Allis, 1897, J. Morph., 12.) (A) Ventral view of stage. (B) Dorsal view of stage. (C) Cartilaginous neurocranium of adult stage. (D) Dermal (membrane) bones overlying neurocranium of adult stage. Cartilage = coarse stipple; bone = fine stipple. 670. 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 Nelsen, Olin E. (Olin Everett), b. 1898. New York, Blakiston

---

Size: 1304px × 1916px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiodiversity, bookleafnumber696