o'.)o GLOSSARY. 



Tj:-ki'a-da (Gr. tainia^ a ribbon). Tlie division o^ Scolecida comprising the 

 Tape-worms. 



T^'nt-oid (Gr. iain/a ; and eidns, form). Ribbon-shaped, like a Tapc-"\vorra. 



Tar-so-met-a-tar'si's. The sinf:rle bone in the leg of Birds produced by tJig 

 union and anchylosis of the lo\\'cr or distal portion of the tarsus "with the 

 ■\vliole of the metatarsus. 



Tar'sts (Gr. tarsos, the flat of the foot). The small bones \vhich form the 

 ankle (or " instep " of man), and wliiub correspond with the wrist {carpus) 

 of the anterior liuib. 



TEc-Ti-BRAN-oni-A'TA ( Lat, ft-rft/s^ covered; and Gr. hrarclna, p'iUs). A divi- 

 sion of Opisthoh-anchiate Ga&Uropoda iu which the gills are protected by 

 the mantle. 



Teg-h-mentak-t (Lat. tegv.menium^ a covering). Connected with the integu- 

 ment or skin. 



Tel-e-os'te-1 (Gr. ieldos, perfect; osteon^ bone). The order of the " Bony " 

 Fishes. 



Tel'son ( Gr. tehon, a limit). The last joint in the abdomen of Crvstaeca ; 

 variously regarded as a segment without appendages, or as an azygos ap- 

 pendage. 



Ten-u-i-eos'tres (Lat. tenuis, slender ; rostrum, beak). A group of the Perch- 

 inir Birds characterized by their slender beaks. 



Ter gum (Lat. for back). The dorsal arc of the somite of an Arthropod. 



Ter-res'tei-al. 



Tee-riu'o-la (Lat. terra, earth; and co/o, T inhabit). Employed occasionally 

 to designate the Earth-worms {Li/mbr/iuht). 



Test (Lat. tes/a^ shell). The sliell of Molhinca^ which are for this reason 

 sometimes called '■'•T^stacea ;'''' also, the calcareous case of Evh hi oiU-rim^ ; 

 also, the thick, leathery, outer tunic in the Tunicata. 



Tes-ta'geous. Provided with a shell or hard covering. 



Testis (Lat. ?'tf.v^*5, the testicle). The organ in the mule animal which pn^ 

 duces the generative fluid or semen. 



Tet-ra-eran-chi-a'ta (Gr. titra, four ; bragclda^ ^iHs). The order of Cejihalop- 

 oda, characterized by the possession of four gills. 



Tha-las-si-col'li-I)a (Gr. thalassa, sea; kolla,g\nQ). A division of Protozoa. 



The'ca (Gr. thele, a sheath). A sheath or receptacle. 



Tiie-co-soji'a-ta (Gr. thekt ; and soma,, body). A division of Hero-pod ous 

 Molluscs, in which the body is protected by an external shell. 



The-ei-o-mor'pba (Gr. thcrion^'haix^.t; iiiorpJie, shape). Applied by Owen to 

 the order of the Tail-less Amphibians { Anoura). 



Tho'rax I Gr. for a brtast-platej. The chest. 



Thread-cells, {^^i.-r Onida'.) 



Thys-a-xi;'ra (Gr. thuscui,oi^ fringes ; and oura^ tail). An order of Apterous 

 Lisects. 



Tib'ia (Lat. for a flute). The shin-bone, being the innennost of the two bones 

 of the leg, and corresponding with the 7-adcus in the anterior extremity. 



To-Ti-pAL'MA-TyE (Lat. totiis, wholc • palma, the palm of the hand). A group 

 of Wading Birds in wliich the hallux is united to the other toes by mem- 

 brane, so that the feet are completely webbed. 



Tea-cue'a (Grr. traclteia, the wind-pipe). Tlie tube which conveys air to the 

 lungs in the air-breathing Vertebrates. 



Tra-ohe'-e. The breathing-tubes of insects and other articulate animids. 



Tra-cue-a'ri-a. The division of Ante Im id a \\'liicii breathe b}^ means of ti'a- 

 cheie. 



Treu-a-to'da (Or. trma, a pore; eidoR, form). An order of Scolecidd. 



TRicn'o-orsTS {Gr. tkr/.r, hair; and /i:'/.^/i'V, a cyst). Peculiar cells Ibund in 

 certain Infusoria, and very nearly identical with the "thread-cells" of 

 (Jadenterata. 



Tri-lob'i-ta (Gr. tre'is, three ; loh>!<, a lobe). An extinct order of Crustaceans. 



Trit-o-zo'oid (Gr. tritos, third; ^0( /;, animal ; and f/(;^os, form). The zooid 

 produced by a dcuterozouid , that is to say, a zooid of the third genera- 

 tion. 



