. The Cambridge natural history. Zoology. 68o TELEOSTEI seas. Four or five species are distinguishable, and are referable to two genera : JUistiophorus, with a single dorsal fin and 2 or 3 ventral rays, and Tetrapturus, with the dorsal divided into two parts and a single ventral ray.^ Fossil Histiophoridae are known from the Eocene and later beds in Europe and America. Dr. A. S. Woodward observes that the known fossils are too imperfect to be referred with certainty to their respective genera. Most of them probably belong to Histiophorns, but at least one genus from the Eocene (JCiphio- rhynch
. The Cambridge natural history. Zoology. 68o TELEOSTEI seas. Four or five species are distinguishable, and are referable to two genera : JUistiophorus, with a single dorsal fin and 2 or 3 ventral rays, and Tetrapturus, with the dorsal divided into two parts and a single ventral ray.^ Fossil Histiophoridae are known from the Eocene and later beds in Europe and America. Dr. A. S. Woodward observes that the known fossils are too imperfect to be referred with certainty to their respective genera. Most of them probably belong to Histiophorns, but at least one genus from the Eocene (JCiphio- rhynchus) appears to be well distinguished. -^f^'^X^'^^^'^i^f^^i^n^^^^^. 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 Harmer, S. F. (Sidney Frederic), Sir, 1862- ed; Shipley, A. E. (Arthur Everett), Sir, 1861-1927. ed. [London, Macmillan and Co. , Limited; New York, The Macmillan Company
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1895
