. The anatomical record. Anatomy; Anatomy. 370 GEORGE S. HUNTINGTON coracoid and clavicles. The medial extremities of the latter are supported by a T-shaped Episternum, derived ontogeneticalh' by the direct ossification of a dermal anlage, without cartilaginous praeformation. The combination of these components is in direct line with the conditions obtaining in the JMonotremes. These, the most primitive manunals, possess among the other structural characters carried over from theii' reptilian ancestry, a pectoral girdle which conforms closely to the Lacertilian type of the modern saurian repti
. The anatomical record. Anatomy; Anatomy. 370 GEORGE S. HUNTINGTON coracoid and clavicles. The medial extremities of the latter are supported by a T-shaped Episternum, derived ontogeneticalh' by the direct ossification of a dermal anlage, without cartilaginous praeformation. The combination of these components is in direct line with the conditions obtaining in the JMonotremes. These, the most primitive manunals, possess among the other structural characters carried over from theii' reptilian ancestry, a pectoral girdle which conforms closely to the Lacertilian type of the modern saurian reptiles just described. The massive coracoid. Figure 4. Shoulder-girdle of Iguana luberciilata, the Iguana. ('/—Clavicle. Co—Coracoid. Epc—Epicoracoid. Epsl—Episternum. Gl—Glenoid cavity. Sc—Scapula. Si—Sternum. Siipsc— 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 Bardeen, Charles Russell, 1871-1935, ed; Boyden, Edward A. (Edward Allen), 1886-1976; Bremer, John Lewis, 1874- ed; Hardesty, Irving, b. 1866, ed; American Association of Anatomists; American Society of Zoologists; Wistar Institute of Anatomy and Biology. [New York, etc. ] A. R. Liss [etc. ]
Size: 1163px × 2150px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1906
