AMA 



15 



AMH 



used as a means of intoxication | 

 in Kamtschatka, Ord. Fungi: 

 amanitin, n., dm'dn-U'm, the 

 poisonous principle of fungi. 



Amaranthacese, n. plu., am'ar- 

 dntli-d'-se-e (Gr. amarantos, L. 

 amaranthus, unlading from Gr. 

 a, not ; maraino, I parch or 

 wither in reference to the length 

 of time some of them retain their 

 bright colours), the Amaranth 

 family, an Ord. of plants : Amar- 

 anthus, n., dmf-dr'dnth'us, also 

 Amaranth, n., dm'dr'dnth, a 

 Sub-ord. of the Amaranth family, 

 among which are, * prince's 

 feather, ' ' my-love-lies-bleeding, ' 

 and ' cockscomb : ' amaranth- 

 aceous, a., dm'dr-dnth-d'shus, 

 having an arrangement of parts 

 as in the amaranth : amarantous, 

 a., amf-ar-ant'-us, undecayirig ; 

 unfading. 



Amaryllidacese, n. plu., am'ar>il' 

 li-dd'se-e (Amaryllis, a country 

 girl celebrated by Virgil, the 

 Latin poet), the Amaryllis family, 

 an Ord. of beautiful bulbousplants : 

 AmaryllesB, n. -p\u.,dm'>dr'tt'le-e, 

 one of the tribes of the Amaryllis 

 family; the snowdrop, the daffo- 

 dil, and many other ornamental 

 garden plants belong to this 

 Order. 



amaurosis, n., am'-aJwr-o^-is (Gr. 

 amaurosis, the act of rendering 

 obscure from amour os, obscure), 

 imperfect vision or total blind- 

 ness, due to paralysis of the optic 

 nerves, arising from various 

 causes : amaurotic, a., drnf-a/wr- 

 ot'*ik, pert, to the partial blind- 

 ness or loss of sight produced by 

 paralysis of the optic nerves. 



amblyopia, n., dm'bli-Sp'i-d (Gr. 

 amblus, blunt, weak ; dps, the 

 eye), impaired or weakened vision ; 

 obscurity of vision ; incomplete 

 amaurosis. 



ambrina anthelmintica, dm-brm'd 

 dnth'el-mmt'ik'd (not ascer- 

 tained : Gr. anti, against ; hel- 

 miw, a tape-worm), a plant of 



the Ord. Chenopodiacere, which 

 yields a volatile oil, used in the 

 cure of worms. 



ambulacra, n. plu., am'-bul-d^ra, 

 (L. ambulacrum, a walking- place 

 from ambulo, I walk up and 

 down), the perforated spaces in 

 the crusts or plates of the 

 Echinodermata, through which 

 are protruded the feet, by means 

 of which locomotion is effected 

 by them : ambulacriform, a., 

 -dk'ri'fftrm (L. forma, shape), 

 having the form and appearance 

 of ambulacra : ambulatory, a., 

 at'-^T'l, formed for walking. 



ambustio, n., dm-bust'i-d (L. am- 

 bustio, a burn), a burn or scald : 

 ambustial, a., dm-bust'i-dl, pro- 

 duced by a burn. 



amenorrhoea, n., dm'en'dr-re'd 

 (Gr. a, without; men, a month; 

 rheo, I flow), the absence or re- 

 tention of the usual flow of the 

 menses. 



amentum, n., dm-ent'-um (L. 

 amentum, a leathern thong), in 

 bot. , a catkin or imperfect flower 

 hanging somewhat like a rope or 

 cat's tail, consisting of an axis 

 covered with bracts in the form of 

 scales: amenta, n. plu., dm-ent'd: 

 AmentifersB, n. plu., am^nt-lf- 

 er-e (L. fero, I bear), a family of 

 fossil plants, bearing amenta : 

 amentiferous, a., -er-us, denoting 

 plants having amenta or catkins : 

 amentaceous, a., dm'ent>d'shus, 

 having amenta or catkins. 



ametabolic, a., d-met'-a-bdl'-ik (Gr. 

 a, without; metabole, change), 

 applied to insects not possessing 

 wings when perfect, and which, 

 therefore, do not pass through 

 any marked metamorphosis. 



Amherstia, n., dm-hers'ti-d (in 

 honour of the Countess Amherst), 

 a tribe of plants of the Sub-ord. 

 Csesalpineae, and Ord. Legum- 

 inosse, plants profusely orna- 

 mented with pendulous racemes 

 of large vermilion - coloured 

 blossoms. 



