.1 



46 GLOSSARY OF TECHNICAL TERMS. 



.1 real. Living in trees. 



.1 iai bulb. The muscular swelling, at the hase of the great artery, 



in fislu s. 

 Articulate. Jointed. 

 Artiodactylous. Even-toed (toes 2 or 4). 

 ■A/. Non-development. 

 note. Long and slender, as if drawn out. 

 Auricle. The large lobe of the external ear; also, one of the chambers 



of the heart. 

 Barbd. An elongated fleshy projection, usually about the head, in 



fishes. 

 Basal. Pertaining to the base ; at or near the base. 

 Basipterygoid. Hones developed in the palatine arch in some birds. 



The bill of birds, or (in other animals) any beak-like structure. 

 /. d of Win*}. Angle at the carpus when the wing is folded. 

 / Two-colored. 



Bicuspid. Having two points. 

 Booted. Said of the tarsus in birds, when its scales coalesce and form 



a continuous envelope, as in the robin. 

 Branchiae. Gills ; respiratory organs of fishes. 

 /; ancklal. Pertaining to the gills. 

 I , inchihyals. Small bones at base of gill arches. 

 Branchiostegals. The bony rays supporting the branchiostegal mem- 

 branes, under the head of a fish, below the opercular bones, and 

 behind the lower jaw. 

 Bristle. A stiff hair, or hair-like feather. 



al. Pertaining to the mouth. 

 Caducous. Falling off early. 

 Cozcal. Of the form of a blind sac. 

 Caecum. An appendage of the form of a blind sac, connected with the 



alimentary canal. 

 Calcareous. < untaining or composed of carbonate of lime 

 Canines. The teeth behind the incisors, — the "eye-teeth"; in fishes, 

 any conical teeth in the front part of the jaws, longer than the 

 others. 

 Carapace. The upper shell of a turtle, usually composed of bony plates 



covered by horny scales. 

 Cardiform (teeth). Teeth coarse and sharp, like wool-cards. 

 ( 'urinate. Keeled ; having a ridge along the middle line. 

 ( 'arotid. The great artery running to the head. 

 Carpus. The wrist. 

 Caudal. Pertaining to the tail. 



' idol fin. The fin on the tail of fishes and whales. 

 ' idol peduncle. The region between the anal and caudal fins in 



fi.-hes. 

 ' rnous. Containing cavities, either empty or filled with a mucous 



secretion. 

 ' Italic fins. Fins on the head of certain rays a detached portion of 

 the pectoral. 



