helminthic 
helminthic (hel-min'thik), . and n. [< hel- 
minth + -ic.] I. a. 1. In rod'/., pertaining to 
helminths or worms. 2. In med., expelling 
worms; vermifugal. 
II. n. A medicine for expelling worms; a 
vermifuge. 
helminthimorphous (hel-min-thi-mor'fus), a. 
[< Gr. tofiof (iJLUtv6-), a worm, + poptyf/, form.] 
In entont., helmmthoid: specifically applied to 
certain dipterous larvee which resemble worms 
and live in the bodies of vertebrates. 
Helminthocladia (hel-mm-tho-kla'di-a), w. 
[NL., < Gr. ('/.fuvf (fA/uvd-), a worm, + /tXdo'of, a 
branch.] A small genus of red algse, the type of 
the order Helminthocladiece of Agardh. The fronds 
are terete, much branched and decompound laterally, and 
more or less gelatinous. 
helminthoid (hel-min'thoid), a. [< Gr. *&/uv- 
Ooeidijf. contr. e'/./uvfl<J6?i<;, like a worm, < etyivs 
(i^fiLvd-), a worm, + fMof, form.] Resembling 
a helminth j worm-like in form ; vermiform. 
helmintholitet (hel-min'tho-lit), n. [< helmin- 
tholithus.] A fossil of the 'genus Helmintkoli- 
tltus. 
Helmintholithust (hel-min-thol'i-thus), w. 
[NL., < Gr. eA/iivf (e'A/jtvB-), a worm, + Atdof, a 
stone.] A Linnean genus of fossils supposed 
to be helminthoid. 
helminthologic (hel-min-tho-loj'ik), a. [< hel- 
minthology + -ic.] Pertaining to helminthol- 
ogy. 
helminthological (hel-min-tho-loj'i-kal), a. 
[< helminthologic + -al.] Same as helmintho- 
logic. 
The Introduction of helminthological experiment by 
Kiichenmeister. Eneyc. Brit., XXIII. 50. 
helminthologist (hel-min-thol'o-jist), n. [< 
helminthology + -int.'] One who is versed in 
helminthology. 
helminthology (hel-min-thol'o-ji), n. [< Gr. 
etyivf (i'/.fj.iv6-), a worm, + -'Aoyia, < fa-yew, speak : 
see -ology.] The science of worms, especially 
of parasitic worms. 
Helminthophaga (hel-min-thof 'a-gS), . [NL., 
< Gr. ),utv; (tAficvf-). a worm, 4- ijtayelv, eat.] 
A large and beautiful genus of American war- 
blers, of the family Mniotiltidte, characterized 
by a very acute unnotched bill ; the worm-eat- 
ing warblers. They are small, usually gaily colored, 
and very pretty migratory birds of woodlands, especially 
of the eastern United States, such as the blue-winged yel- 
2782 
Helobacterium (he"lo-bak-te'ri-um), n. [NL., 
< Gr. ipof, a nail, + ftaxr^ptov, a little stick: see 
bacterium.] A name given by Cohn and others 
to certain rod-shaped bacteria presenting a 
club-shaped extremity, under the impression 
that they were specifically or generically dis- 
tinct. Later investigation has shown that they 
are merely the fructifying stage of well-known 
forms. 
Helobiae (he-16'bi-e), n. pi [NL., < Gr. i><, 
a marsh, + fiiof, life.] An order of monocoty- 
ledonous plants, created by A. Braun in 18(M, 
and still adhered to by Goebel and other bot- 
anists, but regarded by most as embracing 
several natural orders, such as the Lemnaceic, 
Alixmncete, Xaiadacece, .and Hydrocharitlece. In 
Sachs's classification it is expanded into a se- 
ries embracing several orders and subordinate 
families. 
helobious (he-16'bi-us), a. [< Gr. /c, a marsh, 
+ fliof , life.] Living in swamps or marshes ; 
palustriue. 
helocerous (he-los'e-rus), a. [< NL. helocerus, 
< Gr. ?//of, a nail, + idpaf, horn.] Having 
olavate antennae ; clavieorn ; specifically, per- 
taining to or having the characters of the Cla- 
vicornia. 
heloderm (he'lo-derm), n. [< Heloderma.] A 
lizard of the genus Heloderma, as the caltetepon 
and the Gila monster. 
I was present when the heloderm bit two gninea-pigs in 
the hind leg. . . . The bites were viciously Inflicted, and 
the lizard did not readily relinquish Its hold. 
Sir J. Fayrer, Proc. Zool. Soc., 1882, p. 832. 
Heloderma (he-lo-der'ma), . [NL., < Gr. ifljos, 
a nail, stud, wart, + Slppa, skin.] The only 
known genus of venomous lizards, typical of the 
[NL., < Gr. t/.of, 
A genus of syr- 
Heiopkilut l 
natural sire. 
Gila Monster (Htlodtrrna susptftitm ,. 
Golden-winced Warbler (Helmintliophaga chrysopttra). 
low warbler, H. pinus; the golden-winged warbler, H. 
chrysoptera ; the orange crowned warbler, H. celata ; the 
Tennessee warbler, H. pereyrina ; the Nashville warbler, 
H. ruHcapilla ; Bachiuan's warbler, H. uachniani ; Lucy's 
warbler, H. lucia? ; Virginia's warbler, H. wryinitK. This 
genus was founded in ornithology by Cabanis in 1850 ; but 
the name, being preoccupied in a different connection, 
has lately been changed to HelminthophUa. 
Helminthosporium (hel-min-tho-spo'ri-um)", n. 
[NL., < Gr. Mua>[ (e^/avO-), a worm, + mrdpof, 
seed, spore.] A genus of hyphomycetons fungi, 
having simple or slightly branched irregular 
flocci and multiseptate spores. 
helminthosporoid(hel-min-tho-spo'roid), a. [< 
Helminthosporium + -old."] Having the struc- 
ture or appearance of the genus Helminthospo- 
rium. 
helmless 1 (helm'les), . [< helm* + -less.] 
Having no helm or steering-apparatus. 
Your National Assembly, like a ship water-logged, helm- 
lees, lies tumbling. Carlyle, French Rev., II. vL 5. 
I sit within a helmlesi bark. 
Tennyson, In Memoriam, iv. 
helmless 2 (helm'les), . [< helnft + -less.] 
Without a helm or helmet, 
helm-port (helm'pprt), n. Naut., the hole in 
the counter of a ship through which the rudder 
passes ; the rudder-port. 
helmsman (helmz'man), .; pi. helmsmen 
(-men). Naut., the man at the helm or wheel, 
who steers a ship. 
I find a magic bark ; 
I leap on board : no helmsman steers : 
I float till all is dark. Tennyson. Sir Ualahad. 
family Helodermatidie, having the skin studded 
with tubercles like nail-heads, whence the name. 
There are two species, of large size and most repulsive as- 
pect, H. horriduin, the Mexican caltetepon, and H. sutspec- 
tvtn, the Qila monster (which see, under monster). 
Helodermatidae (he*lo-der-mat'i-de), n. pi. 
[NL., < Hcloderma(t-) '+ -idee.] An American 
family of venomous lizards, represented by the 
genus Heloderma. It includes esquamate-tongued 
lizards with clavicles not dilated proximally, a postorbi- 
tal arch, no postfrontosquamosal arch, the pre- and post- 
frontals in contact, separating the frontal from the orbit, 
and furrowed teeth receiving the efferent ducts of highly 
developed salivary glands. The Heloderm atidce are the 
only Laccrtilia known to be poisonous ; the fact of their 
venomousness was established in 1882, but it had pre- 
viously been suspected, whence the name H. siupectum 
of the Oila monster. See Gila monster (under monster) 
and heloderm. Also Helodermidat. 
helodermatoid (he-lo-der'ma-toid), a. [< Helo- 
derma(t-) + -oid.] Pertaining to or having 
the characters of the Helodern/atidre. 
helodermatous (he-lo-der'ma-tus), a. [As He- 
loderma(t-) + -o.] Having a studded, warty, 
or tuberculous skin : specifically applied to the 
heloderms. 
helodes (he-16'dez), . [NL., < Gr. &Mnf, of a 
marsh, marshy, < t/lof, marsh, + eUof, form.] 
In pathol. : (a) Marsh-fever. (6) A kind of fever 
characterized by profuse perspiration. 
helodont (he'lo-dont), a. [< Gr. f/'/-o(, a nail, 
+ bdo'vf (bSovT-)'= E. tooth.] Shaped like a nail 
or spike, as a tooth ; also, having such teeth. 
A number of small helodont teeth are scattered over 
some of the pieces of limestone. 
J. W. Dams, Oeol. Slag., III. 151. 
Helodus (he'lo-dus), n. [NL., < Gr. ^Xof, a 
nail, + orfoif = E. tooth.] A genus of fossil sela- 
chians, based upon teeth of apparently cestra- 
ciont sharks which abound in Carboniferous 
limestone : so called from the studded appear- 
ance of their crushing crowns. L. Ayusai:, 
1838. 
Heloecetes (he-le'se-tez), n. [NL., < Gr. E/^C, 
a marsh, + O'IKST>K, a house-slave, a menial, < 
o'tKtiv, dwell in, inhabit, < otKof, a house.] A not- 
able genus of aquatic tree-toads, of the family 
Hylidce. H. trteeriatus is one of the common species of 
the United States, whose shrilling may be heard through 
the summer in swampy places. Also written Heloecetes. 
Helonaea (hel-o-ne'a), n. [NL. (Audubon, 1839, 
as Helinaia ; changed to Heloncea by A. New- 
helosis 
ton), < Gr. t'/.of , a marsh.] A genus of American 
worm-eating warblers, of the family Miiiotil- 
tidte, having a peculiar bill resembling that of 
a meadow-lark. There is but one species, H. swain- 
Koni, a near relative of the worm-eating warbler, Heimin 
therun rrrtnivoruii, inhabiting the Southern States. It 
was long regarded as one of the rarest of warblers, but 
has lately been found to abound in swamps in South Caro- 
lina. 
Helonias (he-16'iii-as), //. [NL., < Gr. e?.of, a 
marsh.] A genus of monocotyledonous plants, 
founded by Linneeus in 1753, belonging to the 
natural order Liliaeear, tribe Nartheeiew, with 
petioled radical leaves, those of the stem few 
and small, small flowers in dense racemes, the 
stamens little longer than the perianth, and 
three very short styles. Only one species is known, 
//. Indlata, a botanical rarity of the United .states, grow- 
ing in wet places in New Jersey, Pennsylvania, and Vir- 
ginia. It is a very handsome plant. 
Helophilus (he-lof'i-lus), . 
a marsh, + 0</of , loving.] 1 . 
phid flies, founded by Mei- 
gen in 1822. They are large, 
nearly naked, black or brown 
with yellow spots or bands, and 
usually marked by light stripes 
on the back of the thorax. The 
larvae have no month-hooks, and 
probably live, like those of Erin- 
talis, in manure and foul wa- 
ter. Twenty North American and 
about as many European species 
are described. 
2. A genus of water-beetles, of the family HJJ- 
drophilidie, erected by Mulsant in 1844. It is 
synonymous with the extensive genus Philhy- 
dnts of Solier. 
Helophoridae (he-lo-for'i-de), . pi. [NL., < 
Hclophonts + -idee.] A family of aquatic pal- 
picorn beetles, named from the genus Helopho- 
rus. See Hydrophilidce. Also written Helophori- 
da, Helophnrites. 
Helophorus (he-lof 'o-rus), n. [NL. (Fabricius, 
17761 < Gr. 7?.of, a iiail, stud, H- -yApof, -bear- 
ing, < Qtpciv = E. bear 1 .] The typical genus of 
Helophoridce. There are many species, mainly Euro- 
pean and North American, but also some Asiatic and 
North African. H. Uneatus of Say is found in the United 
States. 
helopsH (he'lops), n. [L. helops, also elops, some 
sea-fish: see Elops.] Some sea-fish, a favorite 
with the Eomans. 
Salmons from Aquitaine, helops from Rhodes. 
Jliddleion, Game at Chess, v. 3. 
Helops 2 ((he'lops), . [NL., < Gr. ip/lof, a nail, 
stud, + <JV, face (appearance).] A notable ge- 
nus of tenebrionine beetles with slender tarsi, 
sessile abdomen, and a coriaceous band over 
the labrum. H. micang is a beautifully striped bronzed 
species. Nearly 200 species are known, about 30 of them 
North American and the rest mainly European, though a 
few are found in Asia, North Africa, the Azores, Madeira, 
and Australia. Fabricius, 1775. 
Helosidse (he-los'i-de), n. pi. [NL., < Helosis + 
-idee.] A tribe of plants, of the natural order 
Balanophorett, made by Lindley in 1845 to in- 
clude the genus Helosis and 4 other genera: 
nearly equivalent to the tribe Helosidea: of Ben- 
tham and Hooker. 
Helosideae (he-16-sid'e-e), n. pi. [NL., < Helo- 
sis (-id-) + -ece.] A tribe of dicotyledonous apet- 
alous plants, belonging to the natural order Ba- 
lanophoret?, typified by Helosis. It is distinguished 
by its imperfect flowers, which are monoecious or dioecious. 
The staminate flowers, with the stamens in a column, are 
furnished with a perianth, which in the pistillate flowers 
is adnate to the 2-styled ovary and has a 2-lipped limb. 
The tribe consists of fleshy herbs, destitute of chlorophyl, 
and parasitic on roots, with the small flowers crowded 
into a rounded or oblong head. There are 4 genera, na- 
tives of tropical America, India, and Java. 
Helosieae (he-lo-si'e-e), n. pi. [NL., < Helo- 
sis + -e<?.] Same as Helosidew. Schott and 
EmlUcher, 1832. 
Helosis 1 (he-16'sis), n. [NL. (so called from the 
shape of the bracts, which are prominent before 
anthesis), < Gr. qtof, a nail.] A genus of di- 
cotyledonous apetalous plants, belonging to the 
natural order Balanophorete and tribe Helosidete. 
It is characterized by a branched rootstock, bearing erect, 
naked scapes, and by a 3-lobed perianth of the staminate 
flowers with united stamens, that of the pistillate flowers 
being superior to the 1-celled ovary which in fruit be- 
comes a nut. The genus comprises three, or according 
to some authors only one, species of parasitic, smooth, 
dark-red herbs, natives of tropical America, They are sup- 
posed to possess styptic properties. 
helosis 2 (he-16'sis), w. [NL., also ; written helo- 
tin, appar. intended as a formation from Gr. 
citieiv, turn round, roll up, akin to cAiaaciv, turn, 
e/Uf, helix, L. tolrere, and E. mallow : see helix, 
volute, and irallotr.] In pathol.: (a) Eversion 
of the eyelids. (6) Spasm of the eye-museles. 
(c) Strabismus, (d) Plica polouica. See plica. 
