SYSTEMATIC INDEX. XI 



45. Whale tribe. Have horny laminae, or plates, in the up- 

 per jaw, in place of teeth. The spiracle has a double 

 opening on the crown of the head page 1 J 1 



Great Whale Ill | Fin-backed Whale 113 



46. Dolphin tribe. Have bony teeth in both jaws. The spi- 

 racle is on the fore and upper part of the head 114 



Common Dolphin 114 I Grampus 115 



Porpesse ib. \ 



CLASS II. BIRDS. 



Birds are distinguished from all other animals by hav- 

 ing 1 their bodies covered with feathers, which lie over each 

 other like tiles on the roof of a house. Their organs 

 of motion are two wings and two legs. The mouth is 

 hard and solid, and has the name of beak, or bill. Their 

 offspring are produced from eggs. 



They are divided into six orders. 



ORDER I. ACCIPITRES, OR, RAPACIOUS BIRDS. 



The upper mandible of the bill has an angular projection, or is 

 dilated a little on each side near the point. 



1. Vulture tribe. Have the bill hooked at the end ; and the 



head naked 116 



Condur -, ' 116 j Aquiline Vulture 117 



2. Falcon fn'&e. Have the bill hooked at the end, and its 



base covered with a cere, or naked skin 118 



Golden Eagle 118 Gentil Falcon 120 



SeaEagle 119 Kite, or Glead 121 



Osprey ib. Sparrow Hawk 122 



Buzzard 120 Kestrel 123 



Gyrtalcon ib. 



3. Owl tribe. Have the bill hooked at the end, and a front- 



let of reversed bristles 124 



Great-horned Owl 124 



Short-eared Owl ib. 



Screech Owl 125 



LittleOwl 126 



