Elanus 
Elanus (el'a-n" B )' " 1 NL - (Savifrny, 1809), < 
Gr. i'tu'vveiv, drive, sot in motion : see elastic. \ 
A genus of small milvine birds, of the fam- 
ily l''/tlciiiiiilir: the pearl kites. They ime a 
weak hill anil elaw* ; very short tarsi, feathered part 
way down in front, but LMWhon tlnel> n-tieuiatc; IOIIL-. 
pointed wln^g; short, square, or HDMginftte tail, with 
l.ni:i.| feathers ; and white eoloration In part, tinned w illi 
pearl unty, an<l relieved liy blaek in ni;i-~r~. Tfiore are 
several speeies iii warm mid temperate countries. The 
blaek- winded kite, A'. i/irliiiK'jiti'rwi, is an example. The 
white-tailed kite, /-.'. ir{ni"-ii* or K. Irucurus, is a common 
bird of the southern United States. 
elaolite (e-la'6-lit), n. Same as elteiilitc. 
elaopten (el-a-op'ten), n. Same as clteoptcne. 
Elapnidion (el-a-fid'i-on), n. [NL. (Serville, 
1834), < Gr. Mojet, a deer, + dim. suffix -ioiav.} 
A genus of lougicorn beetles, of the family Ce- 
rantbycidtt, containing species of moderate or 
Ulaphiiiion paralltlum, natural size. 
a, larva ; t>, twig split open, showing inclosed pupa ; k, severed end 
of twit; : t, beetle ; f, basal joints of an antenna, showing the char- 
acteristic spines at the tip of the third and fourth joints ; j, tip of ely- 
Iron; et, t,f,E, A, head, maxilla, labium, mandible, and antenna of 
larva. 
large size, with moderately long spinose anten- 
nae and rounded thorax. About 20 species are known, 
all from North America and the West Indies. E. paral- 
lelum is a common species in the northern and eastern 
United States, about half an Inch long, and ashy-brown in 
color ; its larva bores into oak and hickory. Also Elaphi- 
diutn. 
elaphine (era-fin), a. [< NL. elaphus, < Gr. Ma- 
0or, a deer : see Elaphus.] Pertaining to the red 
deer, Cervus elaphus, or to that section of the 
genus Cervus which this species represents. 
Elaphodus (e-laf'o-dus), n. [NL. (Milne-Ed- 
wards, 1872), irreg. < Gr. Wo^oc, a deer, + eliof, 
form.] A genus of muntjacs or Cervulince of 
China, represented by Michie's tufted deer, Ela- 
1861 
blcs setigerous, and the antenna; free at the base. Alx>ut 
30 speck's are known, 11 of them North American, t',. 
rifjariujt, about a quarter of an ineh lung, is a common 
European i>ei i'-v 
elaphure ('l'a-fur),. [< JRmftHnw.] A large 
deer, StoMWM iliiniliiiinni, of northern < 'liiim. 
remarkable for the strong development and 
branching of the brow-antler and an inverse 
reduction of the other antlers, but otherwise 
related to the red deer and other species of the 
genus ('en-US. 
Elaphurus (el-a-fu'rus), n. [NL. (Milne-Ed- 
wards), < Gr. t'/ai/xif, the stag, -r- ovpa, tail.] A 
genus of Cerndai related to the stag, but having 
a longer tail and inversely developed antlers. 
See elaphure. 
Elaphus (el'a-fus), n. [NL. (Hamilton Smith, 
182/), <Gr. fXo^of, a stag.] A genus of Cerriilir. 
containing such large deer as the American 
elk or wapiti, E. (Cervus) canadensis. See cut 
under wapiti. 
elapid (el'a-pid), n. A serpent of the family 
Klnpidte. 
Elapidse (o-lap'i-de), n. pi. [NL., < Elaps, the 
typical genus, -I- -te.] A family of venomous 
serpents, of the suborder Proteroglypha, order 
Ophidia, typified by the genus Elaps. They have 
poison-glands and grooved poison-fangs, behind which are 
usually solid hooked teeth, the palatine and pterygoid 
bones and the lower jaw having teeth also. The tail is not 
compressed. Species inhabit tropical and warm temper- 
ate regions of both hemispheres. Among them are the 
most poisonous of snakes, as the Indian cobra, Saja tri- 
pudiaiw, and the Egyptian asp, A r . haje. Others are much 
less to be dreaded, aa the harlequin-snake of the United 
States, Elapg fitlviwt. There are upward of 20 genera and 
numerous species. The family is restricted by Cope to 
Elasmognathus 
elasmapodous (el-as-map'o-dus), a. Pertaining 
to the Klnmai>mta. A!HO rliixnm/ioil. 
Elasmiae (e-las'mi-e), n. jil. [XL. ; cf. EUif- 
11111.1.} A group of tineid moths. Hubner, 1816. 
Elasminae (el-as-mi'ne), n. pi. [NL. (How- 
ard, 1886), < Kin SHI ax + -ina;.'] A subfamily of 
Chalddida:, represented by the genus Elasmua. 
having four-jointed tarsi and swollen Una 
thighs. Also Elasmoido!. 
elasmobranch (e-tas'mo-brangk), a. and H. I. 
a. Pertaining to or having the characters of the 
Eliismuhranenii. 
II. n. A vertebrate of the group Elatmn- 
brancliii. 
elasmobranchian, elasmobranchiate (e-las- 
mo-brang'ki-au, -ki-at), a. and n. Same as 
elasmobraitch. 
Elasmobranchii (e-las-mo-brang'ki-I), n. pi. 
[NL., < Gr. f/Uur//6f or iZaafia, a metal plate (see 
Elasmus), + Rpayxia, gills.] A class, subclass, 
or order of fishes, otherwise known as Chon- 
dropterygii and Selachii, including the sharks 
and skates : so named from the lamellar bran- 
H i he, or plate-like gills. These lamelliform gills are 
fixed both at their distal and proximal ends, so that they 
separate the branchial cavity into aa many chambers us 
there are branchise. The group is characterized by the 
cartilaginous skeleton, with the cranial elements not su- 
tured together; the usually heterocercal tall, with the 
spinal column running into the upper lobe; the presence 
of pectoral and ventral flns; the mouth generally inferior, 
forms lacking postfroiital bones, when most of the ser- 
pents usually place* 
see). Also Elaiaidcf. See cuts under cup, cobra-de captllo, 
ced ill it are brought under Sajidce (which 
Tufted Deer (Elafftodus mtcftiatms). 
phodus michianus, formerly called Lonhotragus, 
having unbranched antlers and no frontal cu- 
taneous glands. 
Elaphomces (el-a-fom'i-sez), n. [NL., < Gr. 
' r, + flhcgf, a mushroom.] A genus 
genus 
of subterranean fungi, belonging to the Tubc- 
AV<i/</i<mi >/,.., urnniilHtiis. the common species, 
produees nearly spherical tuber-like conceptaclee, vary- 
ing from the size of a hazelnut to that of a walnut. The 
surface is covered with tine 
warts. The contents consist 
chiefly of the btaek spores, 
from 1 to 8 in each ascus. 
Elaphridae (e-laf 'ri-de), 
. pi. [NL., < J-:/,ii>li- 
rus + -i(te.] A family 
of Coleoptcra, named 
from the genus Elapli- 
ntn. Also Elttphridea, 
Klit/iHrtdes. 
Elaphrus (e-laf'rus), n. 
[NL. (Fabricius, 1801), 
< Gr. ?.a^p6f, light in 
moving.] A genus of 
adephagous beetles, of 
the family t'uralndn' 
and subfamily Cara- 
Ililltl'. They are of small 
size and stout form, witll the tilafttrHS rifari 
elytra impressed, the nmndi- t Liuc shows natural 
and coral-tiHnke. 
elapidation (e-lap-i-da'shon), n. [< L. elapi- 
datus, cleared from stone, < e, out, T lapidatun, 
pp. of lapidare, throw stones at, < lajns(lapid-), 
a stone; cf. dilapidate.] A clearing away of 
stones. Bailey, 1731. [Rare.] 
elapoid (el'a-poid), a. [< Elaps + -old.] Re- 
sembling a serpent of the genus Elaps; be- 
longing or related to the Elajiida;; cobriform, 
not crotaliform, as a venomous serpent. 
Elaps (e'laps), n. [NL., a var. of elops, < L. 
elops: see Elops.'] A genus of venomous ser- 
pents, giving name to the family Elapida-, hav- 
ing two nasal plates. The species are beautifully 
ringed with black and red, and some of them are called 
coral-snakes, as /.'. cut-alUna of tropical America, and 
harlequin snakes, as E./ulriui of North America. See cut 
under coral-xnake. 
elapse (e-laps'), . '.; pret. and pp. elapsed, ppr. 
elapsing. [< L. elapsus, pp. of elaM, glide away, < 
e, out, away, + labi, glide, fall: see lapse.'] 1. 
To slide, slip, or glide away ; pass away with 
or as if with a continuous gliding motion : used 
of time. 
Several years elapsed before such a vacancy ofifered it- 
self by the death of the archpriest of Uzeda. 
Pretcott, Kent, and Isa., II. S. 
2f. To pass out of view or consideration ; suffer 
lapse or neglect. 
Such great acts do facilitate our pardon, and hasten the 
restitution, and in a few days comprise the elapsed duty 
of many months. Jer. Taylor, Work* (ed. 1835), I. 189. 
elapse (e-laps'), n. [< elapse, r.] The act of 
passing; lapse. [Rare.] 
To sink themselves [the Pietists] into an entire repose 
and tranquillity of mind. In this state of silence to at- 
tend the secret elapte and flowings in of the Holy Spirit, 
that may till their minds with peace and consolation, joys 
or raptures. Addiian, Remarks on Italy (ed. Bohn), 1. 531. 
After an tlapse of years. 
Annali of Phil, and Penn., I. 533. 
Elapsidae (e-lap'si-de), n.pl. [NL., < Elaps + 
-iiltr.] Same as Elapidte. 
elapsion (e-lap'shon), n. [< elapse + -ion.] The 
act of elapsing; lapse. E. Phillips, 1706. [Rare.] 
elaqueate (e-lak'we-at), r. t.: pret. and pp. 
claqueated, ppr. elaqueating. [< L. elaqueatus; 
pp. of elaqueare, disentangle, (. e, out, + laqueus, 
a snare.] To disentangle. Coles, 1717. [Rare.] 
Elasipoda (el-a-sip'o-da), n.pl. [NL.] Same 
as Elnsmauoda. 
elasmapod (e-las'ma-pod), a. and . I. a. Same 
as el(ismai>odons. 
II. n. A member of the Elasmapoda. 
Elasmapoda (el-as-map'o-da), n. pi. [NL., < 
Gr. t'/a<r/jof, Daa/ia, a metal plate, + iroi'f (~o<I-) 
= E. foot.) An ordinal or other group of deep- 
sea hblothurians. They exhibit distinct bilateral sym- 
metry, having both a dorsal and a ventral surface, the 
ambulatory ambulacra confined to the latter, and the 
aeephalie region Usually sjH-eiulized. Alnmt oO species are 
known (all only recently!, of several genera, aa Elpidia. 
, Irpa, etc. Also t'Uaiyuda. 
Brain of Skate (Kata tratis i, an elasmobranchiate fish. 
A, from above : r, olfactory bulbs ; a. cerebral hemispheres, united 
In the middle line ; *. thalamencephalon , f. inesencepnalon ; rf, cere- 
bellum ; aa, platted bands formed by the restifonn bodies : /. //. 
//". /', nnt (olfactory), second toptic). fourth, and fifth pairs of cere- 
bral nerves ; /, medulla obk.np.Ma ; , a blood-vessel. B, from tte* 
k>tv, in part enlarged : fft, optic chlasm : A, pituitary body : M and 
v, vessels connected with h ; t, saccus vasculosus ; |3, pyramids of 
medulla oblongata ; a. f. 11, V, same as in A. 
or on the under surface of the head ; the gill-pouches and 
-slits usually 6, sometimes 6 or 7, generally with an equal 
number of external apertures, but In the liolutephali with 
only one on each side ; the optic nerves chiasmal ; the 
intestine with a spiral valve, and the arterial cone with 
pluriserial valves ; and the skin either naked, or with pin 
cold scales, forming shagreen or other armor. The division 
of the group varies ; it is now usually divided into two sub- 
classes, Holocrvhali and Playiortvmi, the latter including 
the sharks and the rays. 
Elasmodectes (e-las-mp-dek'tez), n. Same a 
Elasmognathus, 2. 
Elasmodon (e-las'mo-don), n. [NL., < Gr. fZaa- 
//of, a thin plate (see Elasmus), + oiJotf (odour-) 
= E. tuiitli.] A genus of elephants, the same 
as Elephas proper, or Eueleplias, containing the 
Asiatic as distinguished from the African ele- 
phant of the genus J-oxodon : so named by Fal- 
coner from tin' laminar pattern of the molars. 
See first cut under elephant. 
Elasmognatha (el-as-mog'na-tha), n. pi. [NL., 
neut. p\.otJ-:i(ixmognathus: seeelasmoffnathous.] 
In conch., a section of terrestrial pulmouate 
gastropods in which the jaw is elasmognathous. 
It includes the family Succiniid(t. 
elasmognathous (el-as-mog'na-thus), a. [< 
NL. Eluttnioonathus, < Gr. i/.aa/j6f, a thin plate, 
+ yvadof, jaw.] In conch., having a jaw with a 
quadrangular plate or appendagpdivergingfroni 
Hie upper margin: applied to the fiucciniidtr. 
Elasmognathus (el-as-mog'na-thus), n. [XI.. : 
see elasmognathous.] 1. A genus of American 
tapirs, characterized by having the nasal sep- 
