GLOSSARY 393 



Graduated tail. One in which the middle pair of feathers is 



longest, and each successive pair gradually shorter. 

 Grooves. Furrows. 



Habitat. The region or locality inhabited by a species. 



Hooked bills. Bills having the point more or less 

 abruptly bent downwards. 



Horizontal. Level ; on a line with the horizon. 



Horny. Of a material like the linger nail. 



Hybrids. An intermediate form between two species caused by inter- 

 breeding. 



Impaling. The killing of an animal by striking it on a sharp point. 



Inner secondaries. The feathers fastened to the joint of the 

 wing at the elbow. In the illustration these are length- 

 ened. 



Inner toe. The inner one of the front toes (see p. 40). 



Inserted. Fastened or gi-own to. 



Iridescent. Exhibiting a play of colors like tliose of the rainbow. 



Lobate toes. Those furnished with projecting flaps. 

 Lobes. Membranous flaps. 



Lores. The spaces between the eye and bill, often free from 

 feathers in water birds. 



Mandible. One of the two parts of the bill, called upper and lower man- 

 dibles (see p. 14). 



Margined toes. Those furnished with a ridge-like border 

 not wide enough to be called lobate. 



Marine. Pertaining to salt water. 



Membranes. Skin-like parts. 



Metallic. Having the appearance of metal, or with the luster of polished 

 metal. 



Migratory. Acciistomed to move to different countries at different seasons. 



Molt. The periodical shedding of feathers. 



Mollusks. Soft-bodied animals usually inclosed in -shells, as snails and 

 mussels. 



Mottled. Marked with different colors in a blotched manner. 



Nails. The horny appendages to the toes (see p. 40). 



Nape. The part of the head just back of the crown (see p. 40). 



Nasal. Pertaining to the nostril, 



