GLOSSARY. 3fl 



Glabrous Smooth. 



The middle line of the lower mandible. 

 t Throat patch of peculiar feathers. 

 Graduated Said of a bird's tail when the outer feathers are 



regularly shorter. 



(ii'ii a n.latc Rough with small prominences. 

 Gular Pertaining to the ynla,-QY upper fore-neck. 

 Guttate With rounded, drop-shaped spots. 

 Hallii.i' Tiie great toe in birds, the hind toe. 

 Height Vertical diameter practically the same as depth. 

 Ileterocercal Said of the tail of a lish, when unequal the back- 

 bone evidently running into the upper lobe. 

 Hirsute With shaggy hairs. 

 HviuocercalSsiitl of the tail of a fish when not evidently unequal ; 



the back-bone apparently stopping at the middle of the base 



of the caudal fin. 



UK merits Bone of the upper arm. 

 Hyind Pertaining to the tongue. 

 ffypognatfunuHia,vmg the lower mandible longer than the upper, 



as in the Black Skimmer. 



Imbricate Overlapping, like shingles on a roof. 

 Imperforate Not pierced through. 

 Inarticulate Not jointed. 

 I ti<- Ivors The front or cutting teeth. 

 Intfrfi'ini'H'al iiiuiibrane The membrane connecting the posterior 



limbs of a bat. 

 IntermaxittarittThe bones between the superior maxillaries, 



forming the middle of the front part of the upper jaw. in 



fishes: the premaxillaries. 

 Jugular Pertaining to the lower throat said of the ventral fins, 



when placed in advance of the attachment of the pectorals. . 

 Keeled See Carinnte. 



Labials Plates forming the lip of a serpent. 

 Li audio; Plate-like processes inside of the bill of a duck. 

 Lamellate Said of a bill provided with lamellae, as in a duck. 

 Late nil To or towards the side. 

 Lateral line A series of muciferous tubes forming a raised line 



along the sides of a fish. 

 Luti- rally Sidewise. 

 Lobate Furnished with membranous flaps said of the toes of birds. 



