IS76.] ANATOMY OF PLOTUS ANHINGA. 339 



in W rl fj, T "'''^ •'"''" '" ^'^'^ ^^^'"« '"^""ei- that at the knee 



situatecl some way down ,t, because it is bound close to the greatly 



Pate xl'vT".- ''^^V r^I-''^^"" ^''"S-^^"'^ ^» that regio^ ^^ 

 shown °'- ^' "'' «l'»S-l^^»d here described is clearly 



those bird, un.ch have any great backward curve of the neclc it in 



££.>:: ^^fLr, rs,;i- t5.xi:;^ 



^ith Its fellow of the opposite side, to the middle line of the no termor 

 twee'rit, ^' "7'-^' «';^h of the 9th vertebra, about hal L be- 



fi"d toX'ub m' f'f -'^"'"'"'^'^^ ' ^''"^^^-* it^ outerld t 

 rn Int n ^ .u ^^' '"'h''^'' " ^'^^''^^^'^ j'>st outside the uoper arti- 



t d n^o rti'sue '-'""I '"'^'^'7' ' •'^^'^"'-^ -'d slanting^ c^, of 

 t.nd.nous tissue jonmig the two (vic/e Plate XXVI. fi^s 1 & 2) 



con titVt :Z.v!'i" ?' this jist-described tendinot Lop'iinch 



fiourerbv Branrft nn "^ ' 'P''""'"^ "^ ^- «"^'^'"^^' "°r i» that 

 ^onitz lumselt, is this bridge ossiHed. It may therefore be that in 

 fhJllT '' '•""^^"^^^"dinoMS; or. less probably, it has hanpene 



rp, "^2 y^^'* old, we know. 



fourth cervical vertebra. The tenHnn ;= ° P i u " ^"*^ 



.here i. « „pp„.Ue t,{ ,,^t 'ft v':,. Sti.;:. S^f,:' 



It IS nearly always the case in avian anatomy that the inner fihrp, 

 .0 „. „s the «,„„,„ „„ici,. „ „,„,ele one pecnlMv" "e'S; 



22* ° 



