. Text-book of zoology for junior students. Zoology. :',or, \'Ki;tki!I!Ate animals. flight. Tlie wings are long ;iiid pointed, the sternal keel is greatly developed, the jjectoral muscles are of large size, and many of them exhibit jMiwers of locomotion more lajiid tljan those enjoyed by any other members of tile animal kingdom. SUB-CLASS in. ODOXTOl^XITHES. ( )RDER I. SaI' This order includes only the single extinct Bird, the Ari'liceopten/x, "svhich been found in the < lolitic rocks of (iermany. The ujifrri/j; was about as biig as a common Rook, and shows many sin
. Text-book of zoology for junior students. Zoology. :',or, \'Ki;tki!I!Ate animals. flight. Tlie wings are long ;iiid pointed, the sternal keel is greatly developed, the jjectoral muscles are of large size, and many of them exhibit jMiwers of locomotion more lajiid tljan those enjoyed by any other members of tile animal kingdom. SUB-CLASS in. ODOXTOl^XITHES. ( )RDER I. SaI' This order includes only the single extinct Bird, the Ari'liceopten/x, "svhich been found in the < lolitic rocks of (iermany. The ujifrri/j; was about as biig as a common Rook, and shows many singular poi)its of resemljlanee to the true Eeptiles. It ditt'eis from all living binls in having two free claws to the wing, and in possessing a lont' lizanldike tail. Instead of the jiloughshare-shaiied bone which ter-. T;.il :\u'\ . min;ites the tail in living birds (hg. l'I)4, B), the tail ill J;v/«co///c/')/.r (iig. liiO) is \ long, and consists ,,( twenty distinct and sp|, ^â , cacli of «|iirli sn|iports .a ]);iir ..f iiuill-feathers. The tail, (hcrcfoiv, ,.xrc|,t f,,i' Ihe pivsencc of fealhers, nnist ha\-e be,^n vei-y lik^-t!i;,( of ,-, IJrptile. ,As in ;i|| the Birils ,,f (his sub- class, the j::w,; wciv finiiished with coiiicd pointed teeth. (>::oi:it II. ()iH,NToir-,:. This order com]ii'ises ..iily a single exliiid binl, the exiraordinary Jrr:y,rrân,;s ,-,y/â//.s. of |1â. (Velaceoiis rocks of N,,rlh .Americ:., the disrrnvry :iiid description of whc-h science is indebted to I'ro-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Nicholson, Henry Alleyne, 1844-1899. New York, American Book Co
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectzoology, bookyear1885
