Buhi inj and Zoology. 



i'i ,,-.' \.'il J-'ti' \ulZ\X-,y 



nm.-h 'I'i,',, m m,V '\'"iV' iilu'mnV n' "- ~ ,' ' 



. t ~ I tin h\, ml rl >', Im„^, ,ks 



tl!!'-v ':m'"iii . ~ . i l.l . I . n I I 



where the integument of the tly is softest, as between (he head 



'•' ■ • .^ ; . ^. . . . . , 



precisely similar To the hyplne of the salmon fun-iis ; and tin 

 characters of the one, as of the other, prove that the fungus is a 

 S,, r ri>h-Jiiihi. and not an Achlya. Moreover, it is easy to obtain 

 cxidenc'ethat the body of the tly ha- become infected by <S p..iv* 



quite free when the 



stream inhabited by the Saprolec/nia will be exposed to the 

 eof coming into contact with S,i t> r<>], <j„hi spoivs ; and the 



with which the process of spore-formation is carried on. 



i.nd since this paper was read once more from the North Esk fish. (March 



