BEA- 



30 



BIE- 



beard (herd) n. [A.S. beard, a beard.] 

 Any of the arrangements of hairs 

 on the heads of animals which 

 resemble a man's beard (zool.) ; 

 the barbed or bristly hair-like out- 

 growths on grain (hot.}. 



belemnoid (beTemnoid, bglem'noid) a. 

 [Gk. belemnon, dart ; eidos, resem- 

 blance.] Shaped like a dart (zool?) ; 

 appl. styloid process (anat.). 



bell nucleus, a solid mass of cells, 

 derived from the ectoderm and lying 

 between the ordinary ectoderm and 

 the mesogloea at the apex of the 

 medusoid bud, which later becomes 

 hollow and ultimately forms the 

 sub-umbral cavity of the medusoid 

 (zool.}. 



Bellini's ducts, the larger ducts 

 opening at the apex of a kidney 

 papilla, and formed by the union 

 of smaller collecting tubules (anat.). 



benthos (ben'thos) n. [Gk. benthos, 

 depths of the sea.] The fauna and 

 flora of the bottom of the sea 

 (biol.). 



berry (beYi) n. [A.S. berie, berry.] 

 The egg of a lobster, or of a cray- 

 fish ; the dark knob-like structure 

 on the bill of the swan (zool?) ; a 

 small, pulpy fruit (hot?). 



betulin (bet'ulm) n. [L. betula, birch 

 tree.] A substance derived from 

 the outer bark of the birch (phys.). 



biacuminate (bl'aku'minat) a. [L. bis, 

 twice ; acumen, point.] Having 

 two tapering points (dot.). 



biarticulate (bl'artik'ulat) a. [L. bis, 

 twice ; articulus, joint.] Two- 

 jointed (hot., sool.). 



bicapsular (blkap'sular) a. [L. bis, 

 twice ; capsula, little box.] Having 

 two capsules or vessels (hot.}. 



bicarinate (bikar'mat) a. [L. bis, 

 twice ; carina, keel.] With two 

 keel-like processes (hot., zool?). 



bicarpellate (blkar'pe'lat) a. [L. bis, 

 twice ; Gk. karpos, fruit.] With 

 two carpels (tot.). 



blcaudate (blko'dat) a. [L. bis, twice ; 

 cauda, tail.] Possessing two tail- 

 like processes, as the wings of 

 Lepidoptera (zool?). 



blcellular (blseTular) a. [L. bis, twice ; 

 cellula, little cell.] Composed of 

 two cells (to/.). 



bicepa (bl'seps) n. [L. bis, twice ; 



caput, head.] A muscle with two 

 heads or origins (anat?). 



bicipltal (blsip'ital) a. [L. bis, twice ; 

 caput, head.] Pert, biceps (anat?). 



bicipital groove, a groove on the 

 upper part of the humerus (anat.). 



bicollateral (bl'kolat'eral) a. [L. bis, 

 twice ; con, together ; latus, side.] 

 Having the two sides similar. 



bicolligate (blkol'igat) a. [L. bis, 

 twice ; cum, together ; ligare, to 

 bind.] With two stretches of web- 

 bing on the foot (zool?). 



biconjugate (blkon'joogat) a. [L. bis, 

 twice ; cum, with ; jttgum, yoke.] 

 With two similar sets of pairs 

 (bot.). 



bicornute (bikor'nut) a. [L. bis, twice ; 

 cornu, horn.] With two horn-like 

 processes (zool?). 



bicostate (bikos'tat) a. [L. bis, twice ; 

 costa, rib.] Having two longitudinal 

 ridges or ribs, as in a leaf (bot.). 



bicrenate (blkre'nat) a. [L. bis, twice ; 

 crena, notch.] Doubly crenate, 

 as leaves with notched toothed 

 margins (tot.). 



blscuspid (bikiis'pid) a. [L. bis, twice ; 

 cuspis, point.] Having two cusps 

 or points (bot., zool.). 



bicuspid, n. A premolar tooth 

 (anat.). 



bicuspid valve, the mitral valve of 

 the heart (anat.). 



bicyclic (blsik'lik) a. [L. bis, twice ; 

 Gk. kyklos, circle.] Arranged in 

 two whorls (bot?). 



Bidder's ganglia, a collection of 

 nerve-cells in the frog, in the region 

 of the auriculo-ventricular groove, 

 whence fibres are distributed to the 

 rest of the heart (zool.). 



Bidder's organ, a rudimentary ovary 

 attached to the anterior end of the 

 generative organs in both sexes 

 in the toad ; it disappears in old 

 females, but is large in old males 

 and has been known to become 

 functional (zool.). 



bidental (blden'tal) a. [L. bis, twice ; 

 dens, tooth.] Having two teeth, or 

 tooth-like processes. 



bidenticulate (bi'dgntik'ulat) a. [L. 

 bis, twice ; dens, tooth.] With two 

 small teeth or tooth- like processes, 

 as some scales (zool.). 



biennial (blen'ial) a. [L. bis, twice ; 



