. Un guide pour l'étude des poissons. Poissons ; zoologie ; Poissons. 124 l'Arctique et de l'Éperlan stirf-éperlans qui apparaissent ne doivent pas être vendus ou cédés à prendre à un autre endroit, elles ne doivent pas être coupés transversalement, mais ouvertes avec une moule-shell." Le surf-l'éperlan est maritime, est également une espèce similaire, Mesopus japonicus, au Japon. Mesopus olidus, l'étang-sentait l'Alaska, du Kamtchatka, et le nord du Japon, se reproduit dans les étangs d'eau douce. Encore plus excellent comme un aliment-poissons que même ces espèces exquis est le célèbre l'eulakane, ou poisson-chandelle {Thaleichthys pacificus). Le nom Chinook, habituellement

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. A guide to the study of fishes. Fishes; Zoology; Fishes. 124 The Grayling and the Smelt stirf-smelts that appear must not be sold or given away to be taken to another place, nor must they be cut transversely, but split open with a mussel-shell." The surf-smelt is marine, as is also a similar species, Mesopus japonicus, in Japan. Mesopus olidus, the pond-smelt of Alaska, Kamchatka, and Northern Japan, spawns in fresh-water ponds. Still more excellent as a food-fish than even these exquisite species is the famous eulachon, or candle-fish {Thaleichthys pacificus). The Chinook name, usually written eulachon, is perhaps more accurately represented as ulchen. This little fish has the form of a smelt and reaches the length of nearly a foot. In the spring it ascends in enormous numbers all the. Fig. S3.—Eulachon, or Ulchen. Thaleichthys pretiosus Girard. Columbia River. Family Argentinidw. rivers north of the Columbia, as far as Skaguay, for a short distance for the purpose of spawning. These runs take place usually in advance of the salmon-runs. Various predatory fishes and sea-birds persecute the eulachon during its runs, and even the stomachs of the sturgeons are often found full of the little fishes, which they have taken in by their sucker- like mouths. At the time of the runs the eulachon are ex- tremely fat, so much so that it is said that when dried and a wick drawn through the body they may be used as candles. On Nass River, in British Columbia, a stream in which their run is greatest, there is a factory for the manufacture of eula- chon-oil from them. This delicate oil is proposed as a substitute for cod-liver oil in medicine. Whatever may be its merits in this regard, it has the disadvantage in respect to salability of being semi-soHd or lard-Hke at ordinary temperatures, re- quiring melting to make it flow as oil. The eulachon is a favorite. Please note that these images are extracted from scanned page images that may have been digitally enhanced for re

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