. Fishes. Fishes. 732 The Blennies: Blenniidas occurs in Formosa. In this species, alone of the sand-lances, the ventral fins are retained. These are jugular in position, as in the Zoarcidce, and the rays are I, 3. The discovery of this species makes it necessary to separate the Ammodytida and BleekeriidcB widely from the Percesoces, and especially from the extinct families of CrossognathidcB and Cobitopsidce with which its structure in other regards has led Woodward, Boulenger, and the present writer to associate it. Although an alleged sand-lance, Rhynchias septipinnis, with ventral fins abd
. Fishes. Fishes. 732 The Blennies: Blenniidas occurs in Formosa. In this species, alone of the sand-lances, the ventral fins are retained. These are jugular in position, as in the Zoarcidce, and the rays are I, 3. The discovery of this species makes it necessary to separate the Ammodytida and BleekeriidcB widely from the Percesoces, and especially from the extinct families of CrossognathidcB and Cobitopsidce with which its structure in other regards has led Woodward, Boulenger, and the present writer to associate it. Although an alleged sand-lance, Rhynchias septipinnis, with ventral fins abdominal, was described a century ago by Pallas, no one has since seen it, and it may not exist, or, if it exists, it may belong among the Percesoces. The relation of Ammodytes to Embolichthys is too close to doubt their close relationship. According to Dr. Gill the AmmodytidcB belong near the Heme- roccetidcB. The Pearlfishes: Fierasferidae.—In the little group of pearl- fishes, called Fierasferidw or Carapidce, the body is eel-shaped. Fig. 644 —Pearlfish, Fierasjer dubius Putnam, embedded in a layer of mother-of- pearl. La Paz, Lower California. (Photograph by Capt. M. Castro.) with a rather large head, and the vent is at the throat. Numer- ous species of Fierasjer {Carapus) are found in the warm seas. These little fishes enter the cavities of sea-cucumbers (Holo- thurians) and other animals which offer shelter, being frequently taken from the pearl-oyster. In the Museum of Comparative. 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 Jordan, David Starr, 1851-1931. New York, H. Holt and Company
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