120 CHECK LIST OF THE 



Supra-orbital. Above the eye. 



Supra-scapula. The post-temporal or bone by which the shoulder girdle 



in fishes is joined to the skull. 

 Suspensorium. The chain of bones from the hyomandibular to the pala* 



tine. 

 Suspensory bones. Bones by which the lower jaw, in fishes, is fastened 



to the skull. 



Suture. The line of union of two bones, as in the skull. 

 Symphysis. Point of junction of the two parts of lower jaw ; tip of chin. 

 Symplectic. The bone in fishes that keeps together th^ hyomandibular 



and quadrate posteriorly. 

 Syndactyle. Having two toes immovably united for some distance, as in 



the Kingfisher. 



Synonym. A different word having the same or a similar meaning. 

 Synonomy. A collection of different names for the same group, species, 



or thing. 



T. 



Tail. In mammals, the vertebrae, etc., posterior to the sacrum; in birds 



the tail feathers or rectrices, taken collectively ; in serpents, the 



part of the body posterior to the vent ; in fishes (usually) the part 



of the body posterior to the anal fin. 



Tail coverts. The small feathers overlapping the bases of the rectrices. 

 Tarso-metatarsus. The correct name of the so-called tarsus of birds ; the 



bone reaching from the tibia to the toes, composed chiefly of the 



metatarsus, but having at its top one of the small tarsal bones 



confluent with it. 

 Tarsus. The ankle bones collectively; in birds commonly used for the 



shank bone, lying between the tibia and the toes, the tarso-meta- 



tarsus. 



Tectrices. The wing and tail coverts. 

 Temporal. Pertaining to the region of the temples. 

 Tenuirostral. Slender billed. 

 Terete. Cylindrical and tapering. 

 Terminal. At the end. 



Tertials. The quills attached to the humerus. 



Tessellated. Marked with little checks or squares, like mosaic work. 

 Thoracic. Pertaining to the chest ; ventral fins are thoracic, when attached 



immediately below the pectorals, as in the Perch, the pelvic bones 



being fastened to the shoulder girdle. 



Tibia. Shin-bone; inner bone of leg between knee and heel. 

 To mi urn. Cutting edge of the bill. 



Totipalmate. Having all four toes connected by webbing. 

 Tragus. The inner lobe of the ear ; the lobe opposite the auricle. 

 Transverse. Crosswise. 



