. The structure and classification of birds . Pig. 202.—Ventral Sck-FACE OF Skull of Ardeacinerea (aftek Huxley). Pt, pterygoids ; JH, palatines ; Vo,vomer; Mxp, masillo-palatines. of the carina sterni. HERODIONES 433 Family Balaenicepidse.—The great whale head of Africa,Balaniceps rex, requires further study before its exactposition can be determined. It is admittedly a member ofthe present group, though its original describer, Gould,regarded it as a pelican.^ We know the skeleton through thelabours of Paekeb,^ while our at present scanty know-.

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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1898