. British and Irish Salmonidæ. Salmonidae. Fig. 18,a. Scale of par 32 months old, magnified 2^ times. â b h. Scale of grilse 46 months old, magnified 3 c. Scale of salmon 16 lb. weight, magni- fied 4i times. h, and c.) The skin on the back of old males, both during and subsequent to the breeding season, being thickened and spongy, causes the scales to be more or less imbedded. Colours.âIn adults superiorly of a steel blue, becoming lighter on the sides and beneath. Mostly a few rounded or x-shaped spots scattered over the body above the lateral-line and upper half of the head, § bei
. British and Irish Salmonidæ. Salmonidae. Fig. 18,a. Scale of par 32 months old, magnified 2^ times. â b h. Scale of grilse 46 months old, magnified 3 c. Scale of salmon 16 lb. weight, magni- fied 4i times. h, and c.) The skin on the back of old males, both during and subsequent to the breeding season, being thickened and spongy, causes the scales to be more or less imbedded. Colours.âIn adults superiorly of a steel blue, becoming lighter on the sides and beneath. Mostly a few rounded or x-shaped spots scattered over the body above the lateral-line and upper half of the head, § being more numerous in the and apparently the same age, having no teeth on the tongue, this organ being perfectly smooth. I have examined many this season, and I find almost as many smooth-tongued ones as those having teeth. This is not a sexual peculiarity, as I find them about equal. The first I examined weighed on an average from 8 lb. to 14 lb. or 16 lb. ; Frank Gosden, Land and Water, November 28th, 1885, wrote on this subject: " I have restricted my examinations to salmon from the Exe and the Dart in ; ..." Mr. Couch, I am aware, as well as many others, has taken notice of the teeth on the tongues of salmon : but I do not know of anyone having remarked upon salmon of the same age or about, some having teeth others no teeth upon the tongue. For several consecutive seasons I have examined numbers of salmon varying from 6 lb. to 30 lb. each and have found it immaterial whether they be large or ; * The existence of valves in the large intestines has already been alluded to (page 22 and fig. 12). The gut was removed from the fish, hardened in a solution of chromic acid, and injectei the next day with plaster of Paris. t This will be more fully considered under the head of the " life history of the ; % Mr. Anderson (September 30th, 1885) wrote: "I think you mistake me when I say the grilse has a diamond sca
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectsalmoni, bookyear1887
