Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0201clau Year: 1884 242 AYES. forwards, Cypselus (a] ; pides scansorii, with two toes directed for- wards and two backwards, Picus (b) ; pedes fissi, with three toes directed forwards and one back, the anterior toes being free to their I FIG. 053.—The most important forms of Birds' feet (b, <•, d,f,n, from the regne iinimal). a, pes adhamans of Ct/jmelu* «//»£;l, P. scansoriusof Picas cupf axis; c, P. ambulatorius nf Phusianus colcliirus ; d, P. flssus of Turdus ton/Katiis; f, P. gressorius of Alcedo
Elementary text-book of zoology (1884) Elementary text-book of zoology elementarytextbo0201clau Year: 1884 242 AYES. forwards, Cypselus (a] ; pides scansorii, with two toes directed for- wards and two backwards, Picus (b) ; pedes fissi, with three toes directed forwards and one back, the anterior toes being free to their I FIG. 053.—The most important forms of Birds' feet (b, <•, d,f,n, from the regne iinimal). a, pes adhamans of Ct/jmelu* «//»£;l, P. scansoriusof Picas cupf axis; c, P. ambulatorius nf Phusianus colcliirus ; d, P. flssus of Turdus ton/Katiis; f, P. gressorius of Alcedo ixjiidu .- /, P. insidens of Falco biarmifus ; <j, P. co'.liputus of JHyctcria aenegalensis ; h, P. cursorius of Struthio eameliis ; i, P. palmatus of Mtrgus merganser ; k, P. semi-palmatus of Recurcirostra apocrtta ; I, P. fissi-palmatUS Of 1'oiUcc/ix i-rinttitiiK; in, P. lobatus of Fulica ittra ; n, P. stcfjanus of Phaeton, attiercns. roots, Turdus (d) ; ambulatorii, \\itli three toes directed for- ward, the inner toe backwards, the middle and outer toes united at their roots, Pliaslanus (c); jjedes gressorii, the inner toe is placed behind ; of the three anteriorly directed toes, the middle and outer
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