XVI 



EXPLANATIONS OF TERMS. 



Olfactory. Relating to smell. 



Ornithology A description of birds. 



Oviparous. Laying eggs. 



Parturition. The act of bringing forth young. 



Passerine. Belonging to the sparrow kind. 



Patulous. Open, wide. 



Pectoral. Belonging to the breast. 



Pendulous. Hanging. 



Piscivorous. Feeding on fishes. 



Predaceuus. Formed to pursue prey. 



Quadrifid. Divided into four parts. 



Ruminating. Chewing the cud. 



Scabrous. Rough 



Scapulars. Shoulders. 



Semttunar. In the form of a half-moon. 



Setaceous. Hairy. 



Subulated. Formed like an awl. 



Testaceous. Covered with a shell ; as oysters, &c. 



Trifurcated. Three-forked. 



Truncated. Appearing as if cut off. 



Umbrageous. Spreading. 



Univalve. With one shell or opening. 



Ventral. Belonging to the belly. 



Viviparous. Bringing forth the young alive. 



Webbed. Connected with a membrane, as the claws of aquatic 



birds. 



Zoologists. Writers on animated nature. 



Zoology. The history of! animated nature. 



Zo ophite. An animal plant, or sensitive vegetable. 



*** When the young Student is perfect in the foregoing 

 Terms, he will derive considerable advantage in his study 

 of Natural History, by making himself master of the de- 

 finitions at the head of each class. These definitions of 

 the Classes and of their Orders ought to be indelibly fixed 

 in the memory. 



