. The chordates. Chordata. Fig. 326. Sagittal section of Squalus vertebrae, cut surfaces obliquely lined, (c) Calcifications of centra; (cd) caudineurals; (cdh) caudihemals; (crh) cranihenials; (cr{i)) cranineurals (intercalaria); (rf) exits of dorsal nerve-roots; (n) notochord; (») exits of ventral nerve- roots. (Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.). Fig. 327. Tails of fishes. (A) Young Amid, skeleton. (B) Diphycercal. (C) lleterocercal. (D) Homocercal. (h) Hypurals; (n) notochord; {s) spinal cord. (Courtesy, Kingsley: "
. The chordates. Chordata. Fig. 326. Sagittal section of Squalus vertebrae, cut surfaces obliquely lined, (c) Calcifications of centra; (cd) caudineurals; (cdh) caudihemals; (crh) cranihenials; (cr{i)) cranineurals (intercalaria); (rf) exits of dorsal nerve-roots; (n) notochord; (») exits of ventral nerve- roots. (Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.). Fig. 327. Tails of fishes. (A) Young Amid, skeleton. (B) Diphycercal. (C) lleterocercal. (D) Homocercal. (h) Hypurals; (n) notochord; {s) spinal cord. (Courtesy, Kingsley: "Comparative Anatomy of Vertebrates," Philadelphia, The Blakiston Company.). 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 Rand, Herbert W. (Herbert Wilbur), 1872-1960. Philadelphia : Blakiston
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