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Hxoror.—On Salmon Trout in Nelson Harbour. 
ART. XXVIL. —On the Occurrence of the Salmon Trout in Nelson Harbour. 
By James Hector, M.D. 
[Read before the Wellington Philosophical Society, 17th September, 1881.] 
eg 
Sw Ne 
Salmo trutta, ur. Nelson Harbour. 
Female after spawning. 
B. li, DAS, Ba dy Be ee a 
L.L. 120. L. transv. 28; above V. gz. 
Vert. 58. Cec. Pyl. 40 +. 
Inches, 
Total length a 25 
Greatest depth .. ee +. es as re 
Length of head .. es a ¥e = oS 
Least depth of tail 2 
Distance between end of peat and eye + ce 
Length of maxillary bone <e 2 
Distance between eye and angle of eoaianuae ae. 
Distance between occiput and origin of dorsal fin .. 7 
End of dorsal to root of caudal . 75 
Length of base of dorsal .. re ne Pe oe 2S 
Greatest height of dorsal ice oe ae ee | 
pectoral “ Ke es ae aoe 
Root of pectoral to ventral ¥ oa os. aaa 
Length of ventral ee <* = : wo = 
Ventral to anal .. ‘is ng a we aay 
Length of anal .. — ie ¥s ee wm ee 
Greatest depth of anal .. ee nF ae oa 1 2 
Length of longest caudal, say .. es fee Pe | 
” middle ” . 19 
Weight, t, 64 ounces 
The greatest depth of the body is heieiitti the middle of the dorsal fin, 
and is equal to the extreme length of the head and one-fifth of the total 
length. The snout is conical, but compressed vertically. Mouth terminal, 
the jaws fitting evenly when shut. Maxillary bone dilated and extending 
slightly beyond the posterior vertical of the eye. Diameter of the eye is 
