USED IN NATURAL HISTORY. 



145 



TAXO'XOMT. fr. gr. taxis, an ar- 

 rangement; womos, a rule. The 

 methods of classifying plants. 



TEARS. The fluid secreted by the 

 lachrymal gland, and poured be- 

 tween the globe of the eye and 

 the eye-lids, to facilitate the mo- 

 tions of those parts. 



TEATED. In botany, resembling the 

 .figure of the nipple or teat of a 

 mammal. 



TKCTIBRATTCHIA'TA. fr. lat. tego, I 

 cover, and Gr. branchia, gills. 

 Name of an order of gastero- 

 pods. 



TKC'TIFORM. fr. lat. tectutn, roof of 

 a house ; /orma, form. Roof- 

 shaped. 



TEC 'TRICES. fr. lat. tego, I cover. 

 In ornithology, the coverts; small 

 feathers, which lie upon the wing- 

 bones, and cover the origin of the 

 quills, or great wing-feathers. 



TEGENA'RIA. fr. lat. tegere, to con- 

 ceal. A name applied to the fa- 

 mily of spiders. 



TEGMEW. Endophura. In botany, 

 the internal integument of the 

 seed: also, the glume of grasses. 



TEG'MENTA. Lat. plur. of tegmentwn, 

 a covering. In botany, the scales 

 of the bud. 



TEO'UMENT. fr. iat. tego, I cover. A 

 covering; the skin, for example. 



TEGUME':NTART. fr. lat. tegumen, a 

 covering. Belonging or relating 

 to the tegument or skin. 



TELLI'NA. fr. gr. idling a species 

 of mussel. A genus of acephalous 

 mollusks. 



TEi/tiirjE. Lat. plur. of tellina. 



TEM'PERATURE. A definite degree 

 of sensible heat. 



TEM'PORAL. fr. lat. tempus, time, the 

 temple, so called, it is said, be- 

 cause on this part, the hair begins 

 to turn white, and indicate age. 

 Belonging or relating to the tem- 

 ples. The temporal bone, is placed 

 at the lateral and lower part of 

 the skull, of which it forms a 

 part, and contains within it the 



13 31 



organs essential to the sense of 

 hearing. 



TEITA'CITY. The degree of force 

 with which the particles of bo- 

 dies cohere, or hold together. 



TE'WAX. Lat. Tenacious. 



TKN'DINOUS. Belonging to, or par- 

 taking of the nature of tendon. 



TEN'UON. fr. gr. teino-, I stretch. 

 Strong, white, fibrous cords, which 

 connect the muscles to the bones 

 which they move. The tendons 

 may be considered as so many 

 cords, for transmitting the motion 

 of the muscles to the bones, or 

 levers. 



TEN'DRIL. Cirrhus. Ji clasper. A 

 particular form of the petiole in 

 certain plants. A curling, twin- 

 ing organ, by which some plants 

 lay hold of others. 



TEJT'TACLE. fr. lat. tentaculum, a, 

 holder. Certain appendages about 

 the mouth of insects, &c. 



TENTA'CULA. fr. lat. tento, to feel. 

 Feelers: organs by which certain 

 animals attach themselves to sur- 

 rounding objects. 



TENTA'CULAR. Belonging or relat- 

 ing to tentacles. 



TEXTA'CULUM. Lat. A feeler. 



TENCIRO'STRES. fr. lat. tenuis, slen- 

 der ; rostrum, beak. Systematic 

 name of a family of passerine 

 birds. 



TERCIITE. In botany, the epidermis 

 of the nucleus of the ovule, when 

 it separates in the form of a third 

 covering or integument 



TEREBE'I-LUM. fr. lat. terebro, I bore. 

 A genus of gasteropod mollusks. 



TEBEBI'NTHINATE. Consisting of 

 turpentine. 



TERE'BRA. fr. lat. terebro, I bore 

 A genus of gasteropods. 



TEREBRAN'TTA. fr. lat. terebro, I 

 bore. A section of hymenopter- 

 ous insects. 



TEREBRA'TING. fr. lat. terebro, to 

 bore. Applied to testaceous ani- 

 mals which form the : r abode 

 within other substances. 



