. An introduction to zoology : for the use of high schools . Fig. 96.—Feet of various Avian genera. a. wading type, Cicnma; b. perching, Txirdux ; o. rasorial, Phaxinntix ; d. ; e. adlicrent, Cupmhts; b. cureoiial, Struthin; g. scansoiial, Picux; h. lo^ate,Podiceps ; i. loliate and scolloped, Fulica; k. palmate, Anas ; 1. totipalmate, Phnetlion. 16. When we come to the classification of the Carinate birdswe meet with gi-eat difficulties; for although we recognise tliatthere are certain orders which, are lower than the , yetthe adaptation to an aerial life has impressed
. An introduction to zoology : for the use of high schools . Fig. 96.—Feet of various Avian genera. a. wading type, Cicnma; b. perching, Txirdux ; o. rasorial, Phaxinntix ; d. ; e. adlicrent, Cupmhts; b. cureoiial, Struthin; g. scansoiial, Picux; h. lo^ate,Podiceps ; i. loliate and scolloped, Fulica; k. palmate, Anas ; 1. totipalmate, Phnetlion. 16. When we come to the classification of the Carinate birdswe meet with gi-eat difficulties; for although we recognise tliatthere are certain orders which, are lower than the , yetthe adaptation to an aerial life has impressed a certain uniformity 136 HIGH SCHOOL ZOOLOGY. Tipon all, concealing such strnctui-al characters as might be re-lied upon for making a natural classification, and causing tlu^ornithologist to depend frequently on characters which are inrelation to the food or the manner of life (Figs. 96, 97). The ^Iaa-Vn. Fi;r. 07.—Outlines of bills of various {jenera. L Lcjitiiptiliia, niaralxi ; P. Pasxer, sparrow; Ca. Caticroma, Boatbill; D. Doci-HinsVcv, Swordhill; PI. Pla(alrt, spoonbill; Pe. Pidecanus, pelican ; T. Tvnlua, nnish ;Me. Rec}irmro!itra,!x\()cet Ph. Plianiiupteriin, Flaniini>o ; Ky. Jilii/nchops, .Skimmer,A Anastonms, stork; B. DalKniccpa. shocbill ; S. Snrcothamjilnix, coiulor ; Co. Cul-uinba, pijjeon ; My. Mycteria, stork ; Me. Meiyns, Merganser; 1 Ibis. difficulties of classification are chiefly met with among thehigher orders, to which not only by far the greatest number of HIGH SCHOOL ZOOLOGY. 137 tlie spficies l)elong, hut which exhibit far less important tliffer-oncos between each other than do the members of the lowerorders. 17. The following arrangement of the orders of Carinatfe is tliat gener-ally employed ; although there may be doubt as to the affinities of someof the groups, there is none that the swimming birds occu^jy the lowestplace and the song birds the
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1889