XV 



Explanation of some Terms used in Natural History, 'which 

 should be committed to Memory by the young Student. 



ACULEA TED. Sharpened. 



Amphibious. Capable of living by land or water. 



Animalcule^ Small animals, generally invisible without the as- 

 sistance of the microscope. 



Annulated. Marked with rings. 



Antlers. Horns overhanging the brows. 



Aquatic. Living or growing in the water. 



ifid. Divided into two parts, or cleft. 



Bimaculated. With two spots, or two series of spots. 



Bivalve. With two shells or openings. 



Callosity. A hard lump, an excrescence. 



Canine. Belonging to the dog kind. 



Carinated. In the shape of a keel. 



Carnivorous. Feeding on flesh. 



Cartilaginous. Furnished with cartilages. 



Cere. A skin over the bill of birds ; sometimes moveable, 

 as in parrots. 



Cetaceous. Of the whale kind. 



Cinereous. Of the colour of ashes. 



Columbine. Belonging to the dove kind. 



Cordiform. Heart-shaped. 



Crustaceous. Covered with a crust ; as lobsters, &c. 



Digitated. Having the feet divided into parts, like toes or 

 fingers, as in dogs. 



Dorsal. Belonging to the back. 



Exsanguineous. Without blood, as worms. 



Entomology. A description of insects. 



Feline. Belonging to the cat kind. 



ferruginous. Of an iron or rust colour. 



Frugivorous. Feeding on seeds. 



Furcated. Forked. 



Gallinaceous, Belonging to the hen kind. - 



Gestation. The time of going with young. 



Granivorous. Feeding on grain. 



Gregarious. Associating together. 



Herbivorous. Feeding on grass. 



Ichthyology. A description of fishes. 



Imbricated. Tiled or plated over each other. 



Incubation. The act of a bird sitting on her eggs. 



Insectivorous. Feeding on insects. 



Lateral. Belonging to the side, placed sideways. 



Migratory. Coming and going at certain seasons. 



Multivalve. With many shells or openings. 



Nascent. Very young, growing. 



Nictitating. Winking : applied to a membrane with which 

 birds cover their eyes at pleasure. 



Obfuscated. Of a darkish colour. 



