Anisobranchiata 
Anisobranchiata (a-m"s6-brang-ki-a'ta), n. pi. 
[NL., neut. pi. of anisobroiwliiatux: sec niiixii- 
braxchiate.] Same as Aiiisobraiicliia. 
anisobranchiate (a-ni-so-brang'ki-at), a. [< 
NL. anisobraitehiatux, asAnianlirnnrhia- + -atus.J 
Having unequal gills ; specifically, of or pertain- 
ing to the Anisobrancli i<i . 
anisobryous (an-i-sob'ri-us), a. [< Gr. avisos, 
unequal, + ftpvov, lit. a growth, < flpiisiv, swell, 
grow.] Same as anisodynamous. 
anisocercal (a-m-so-ser'kal), a. [< Gr. avisos, 
unequal, + nlpnaf, tail: see an- 8 and isocercal.] 
Not isocercal. 
anisodactyl, anisodactyle (a-m-so-dak'til), a. 
and . [< NL. attisodaett/kts, unequal-toed, < Gr. 
avisos, unequal, + daKTv/.os, a finger or toe : see 
aniso- and dactyl.] I. a. Same as anisodactylcrus. 
II. . 1. One of an order of birds in the 
classification of Temminck, including those 
insessorial species the toes of which are of 
unequal length, as the nuthatch. 2. One of 
the Anisodactyla. 
Anisodactyla (a-ni-so-dak'ti-la), n. pi. [NL., 
neut. pi. of anisodactylits : eee'anisodactyl.] In 
the zoological system of Cuvier, one of four 
divisions of pachydermatous quadrupeds, in- 
cluding those which have several unsymmetri- 
cal hoofs. The term is loosely synonymous with Pe- 
rissodactifla, but as originally intended it excluded the 
solidungulate perissodactyls, as the horse, and included 
some Artiodactyla, as the hippopotamus, as well as all the 
Proboscidea, or elephants, mastodons, and mammoths. 
It is an artificial group, not now in use. 
anisodactyle, a. and n. See anisodactyl. 
Anisodactyli (a-ni-so-dak'ti-li), n. pi. [NL., 
pi. of anisodactylits : see anisodactyl?] In Sun- 
devall's classification of birds, the second series 
of an order Volucres, consisting of the five co- 
horts Ccenomorphce, Ampligulares, Longiltngues, 
oiMelligugcB, Syndactylw, and Peris teroidece. See 
these words. By Sclater, in 1880, the term is used as a 
suborder of Picai-ice, including twelve families, the Colii- 
dce, Alcedinidte, Bticerotidce, Upupidce, Irrisoridce, Meropi- 
doe, Motnotidte, Todidce, Coraciidw, Leptogomidce, Podar- 
yidte, and Steatornithidee. 
anisodactylic (a-m"sd-dak-tirik), a. [< aniso- 
dactyl + -ic.] Same as anisodactylous. 
anisodactylous (a-nl-so-dak'ti-lus), a. [< NL. 
anisodactylus : see anisodactyl,] Unequal-toed; 
having the toes unlike, (a) In mammals, of or per- 
taining to the Anisodactyla; perissodactyl ; pachyderma- 
tous. See cut under peruttodactyl. (b) In ornith.. of or per- 
taining to the anisodactyls, or Aninodactyli. Equivalent 
forms are anisodactyl, aniaodactyle, and anisodactylic. 
anisodont (a-ni'so-dont), a. [< Gr. avims, un- 
equal, -r- b&oi's (6<SoVr-) = E. tooth.] In herpetol., 
having teeth of unequal size: applied to the 
dentition of those serpents in which the teeth 
are unequal in length and irregular in set, with 
wide interspaces, especially in the lower jaw. 
anisodynamous (a-ni-so-di'na-mus), a. [< Gr. 
avisos, unequal, + ibva/uf, power : see dynamic.] 
In hot., a term suggested by Cassini as a sub- 
stitute formonocotyledonous, on the supposition 
that the single cotyledon results from unequal 
development on the two sides of the axis of the 
embryo. An equivalent form suggested by him 
was anisobryous, but neither term was ever 
adopted. 
anisognathous (an-i-sog'na-thus), a. [< Gr. 
avisos, unequal, + yvdBos, jaw.] In zoo'l., hav- 
ing the molar teeth unlike in the two jaws : op- 
posed to isognathous. 
anisogynOUS (an-i-soj'i-nus), a. [< Gr. avisos, 
unequal, + ywrj, a female.] In bot., having the 
carpels not equal in number to the sepals. 
N. E. D. 
anisoic (an-i-so'ik), a. [Irreg. equiv. of anisic.] 
Same as anisic. 
anisomeric (a-ni-so-mer'ik), a. [As anisome- 
rous -t- -ic.] In chem., not composed of the 
same proportions of the same elements. 
anisomerous (a_n-i-som'e-rus), a. [< NL. ani- 
somerug, < Gr. avisos, unequal, -f- pepof, part.] 
1. In bot., unsymmetrical : applied to flowers 
which have not the same number of parts in 
each circle. 
[When] the number of parts in each whorl is ... un- 
equal, as in Eue, . . . the flower is anisomeroux. 
R. Bentley, Botany, p. 343. 
2. In odontotj., having the transverse ridges of 
successive molar teeth increasing in number by 
more than one, as in the mastodons. 
anisometric (a-ni-so-met'rik), a. [< Gr. avisos, 
unequal, + /itrpov, measure.] Of unequal mea- 
surement: a term applied to crystals which 
are developed dissimilarly in the three axial 
directions. 
anisometropia (a-m"s6-me-tr6'pi-a), . [NL., 
< Gr. avisos, unequal, + /icrpov, measure, + tn/>, 
221 
eye.] Inequality of the eyes with respect to re- 
fractive power. 
anisometropic (a-ui*s6-me-trop'ik), a. [< ani- 
sometropia + -ic.] Unequally refractive; af- 
fected with auisometropia. 
Anisonema (a-ni-so-ne ma), n. [NL., < Gr. 
avisos, unequal, + vf/fia, a thread, < veeiv, spin.] 
A genus of thecamonadine infusorians, typical 
of the family Anisonemidte. 
Anisonemidas (a-ni-so-nem'i-de), n. pi. [NL., 
< Anisonema + -idee.] A family of ovate or 
elongate infusorians inhabiting salt and fresh 
water. They are free-swimming or temporarily adher- 
ent animalcules with two nagella, the anterior one of 
which is locomotory or vibratile and called the tractellum, 
the posterior one, called the aubernaculum, being trailed 
inactively or used for steering. The oral aperture is dis- 
tinct, in most cases associated with a tubular pharynx. 
The endoplasm is transparent and granular. Saville Kent. 
anisopetalous (a-ni-so-pet'a-lus), a. [< Gr. 
avisos, unequal, + TTCTOMV, leaf, mod. petal.] 
In bot., having unequal petals. 
anisophyllous (a-ni-so-fU'us), a. [< NL. aniso- 
phyllus, < Gr. avisos, unequal, + iivl/lov = L. 
folium, leaf: see folio.] In bot., having the 
leaves of a pair unequal. 
Anisopleura (a-nl-so-plo'ra), n. pi. [NL., < 
Gr. avisos, unequal, + ir^evpd, the side.] A 
prime division of gastropods, containing those 
which are not bilaterally symmetrical, as are 
all Gastropoda excepting the chitons, etc. : con- 
trasted with Isopleura. 
The twisted or straight character of the visceral nervous 
loop gives a foundation for a division of the Aniaopleura 
into two groups, to which the names Streptoneura and 
Euthyneura have been applied. To the former belong the 
great majority of the aquatic and some of the terrestrial 
species, while the latter contains only the opisthobranchs 
and pulmonifers. Stand. A'at. Hint., I. 294. 
anisopleural (a-ni-so- p!8 ' ral), a. [As A niso- 
pleura + -al.] Unequal-sided; having bilateral 
asymmetry ; specifically, of or pertaining to the 
Anisopleura. 
anisopleurous (a-m-so-plo'rus), a. [As Aniso- 
pleura + -ous.] Same as anisopleural. 
Euthyneurous anisopleurous Gastropoda, probably de- 
rived from ancestral forms similar to the palliate Opistho- 
branchia by adaptation to a terrestrial life. 
E. R. LanJaxter, Encyc. Brit., XVI. S60. 
anisopogonous (a-m-so-pog'o-nus), a. [< Gr. 
awaof, unequal, + noyav, beard.] In ornith., 
unequally webbed: said of feathers one web 
or vane of which is markedly different from 
the other in size or shape, or both: opposed to 
isopogonous. 
Anisops (a-m'sops), n. [NL., < Gr. aviaof, un- 
equal, + M, uip, face (appearance).] A genus 
of aquatic heteropterous insects, of the family 
Notonectida;, or back-swimmers, having a slen- 
der form and the fourth joint of the antennae 
longer than the third. A. platycnemis is a com- 
mon North American species. 
anisopterous (an-I-sop'te-rus), a. [< Gr. avisos , 
unequal, + Trrcpov, a wing.] With unequal 
wings : applied to flowers, fruits, etc. 
Anisopteryx (an-I-sop'te-riks), n. [NL., < Gr. 
dvdrof, unequal, + Krepvg, wing.] A genus of 
geometrid moths, the larvse of which are known 
as canker-worms. Two well-known species are A. 
veniata, the spring canker-worm, and A. pometaria, the 
fall canker-worm, both of which occur in greater or less 
abundance from Maine to Texas ; they feed upon the leaves 
of the apple, pear, plum, cherry, elm, linden, and many 
other trees. See cut under canker-worm. 
Anisorhamphus (a-ni-so-ram'fus), n. [NL., < 
Gr. awaof, unequal, + pafi<t>o(, beak, bill.] Same 
as Bhynchops. 
Green-striped Maple-worm (Anisota rubicunda). 
a, larva; b, pupa; c, female moth. (All natural size.) 
ankle 
anisqstemonous (a-ni-so-stem'o-nus), a. [< 
Gr. avisos, unequal, + arri/iuv, a thread (arf/fta, 
a stamen: see stamen).] In bot., having the 
stamens fewer in number than tne petals or 
lobes of the corolla : applied to flowers, as in 
the order Labiatw. An equivalent word is ani- 
sandrous. 
anisosthenic (a-nl-so-sthen'ik), a. [< Gr. avi- 
aoadevrif, < aviaof, unequal, + aBevof, strength.] 
Of unequal strength. N. E. D. 
Anisota (an-i-so'ta), n. [NL., < Gr. avisos, un- 
equal, + oi'f (<JT-) = E. ear 1 .] A genus of moths, 
family Jiombycidte, established by Hiibner in 
1816. The larva feed commonly upon the oak, but A. 
ntbicunda (Fabricius) is often injurious to the soft maple. 
They undergo transformation below the surface of the 
ground to naked pupic. See cut in preceding column. 
anisotropal (an-i-sot'ro-pal), o. Same as ani- 
so tropic. 
anisotrope (a-ni'so-trop), a. [< Gr. avioof, 
unequal, + T^OTTOC, a turning, < rpeireiv, turn.] 
Same as anisotropie. 
anisotropic (a-ni-so-trop'ik), a. [As anisotrope 
+ -ic.] 1. Not having the same properties in 
all directions ; not isotropic; eeolotropic. All 
crystals except those of the isometric system 
are anisotropie with respect to light. 
Starch grains behave like double refracting crystals, and 
we assume, therefore, that they consist of ... anigotropic 
substances. Behrens, Micros, in Botany (trans.), p. 380. 
2. In bot., a term applied by Sachs to organs 
which respond differently or unequally to ex- 
ternal influences. 
Equivalent forms are anisotropal, anisotrope, 
and anisotropous. 
anisotropous (an-i-sot'ro-pus), a. Same as 
anisotropic Anisotropous disk. See striated muscle, 
under striated. 
anisotropy (an-i-sot'ro-pi), n. [< Gr. avisos, un- 
equal, + -Tpoiria, < rpeneiv, turn.] The quality 
of being anisotropic. 
anitrogenous (an-i-troj'e-nus), a. [< Gr. a- 
priv. (a- 18 ) + nitrogenous, q. v.] Not containing 
or supplying nitrogen ; not nitrogenous. 
aniuma(an-i-u'ma), n. [See anhima.] A 11:11110 
of the horned screamer, Palamedea cornuta. 
anjeela (an-je'la), n. [A native name in Cey- 
lon.] A sort of floating house, supported upon 
two large canoes, connected by planks, it is 
used by the Singhalese both as a dwelling and as a means 
of transportation. 
Anjou (on-zho'), n. [F., < Anjou, a province of 
France: see Angevin.] A slightly sparkling 
wine of western France, manufactured in a 
region of which Chalonnes-sur-Loire, near An- 
gers, is the center. 
anker 1 1, n. A former spelling of anchor 1 . 
anker 2 t, A former spelling of anchor 2 . 
anker 3 (ang'ker), n. [= F. ancre = Russ. an- 
Jceru, ankerok, < D. G. Dan. anker = Sw. ankare, 
a liquid measure, prob. orig. a vat or keg; cf. 
ML. anceria, ancheria, a small vat or keg; 
origin obscure.] A liquid measure formerly 
used in England, and still common throughout 
Germany, Russia, and Denmark, having a ca- 
pacity varying in different places from 9 to Ifri 
gallons. In Scotland it was equal to 20 Scotch 
pints. Also spelled anchor. 
ankerite (ang'ker-it), n. [After Prof. Anker, of 
Gratz, + -ite*.] A crystallized variety of dolo- 
mite containing much iron. It consists of carbon- 
ates of calcium, iron, magnesium, and manganese, and is 
much prized as an ore of iron for smelting and as a flux. 
It occurs with carbonate of iron at the Styrian mines and 
elsewhere. 
ankh (ank), n. [Egypt., life or soul.] In Egyp- 
tian art, the emblem of enduring life, or sym- 
bol of generation, generally represented as held 
in the hand of a deity, and often 
conferred upon royal favorites. It 
is the crux ansata (which see, under 
crux). 
ankle (ang'kl), . [(a) Also writ- 
ten ancle, < ME. ankle, ancle, anJcel, 
ankil, ankyl (a corresponding AS. 
form not recorded) = OFries. an- 
kel=T). enfceJ=OHG. anchal.enchil, 
m.. anchala, enchila, f., MHG. G. 
enkel = Icel. okkla, okli = Sw. Dan. 
ankel; (b) also with added term. E. by 
dial, anclef, ancliff, ancley, < ME. an- 
clee, ancloiee, < AS. ancleow, oncleow, 
aneleo = OFries. onklef= OD. aenklauwe, D. an- 
klaauiv, enklaauw = OHG. anchlao (rare) (the 
term, being due, perhaps, to a simulation of AS. 
cle6, usually clawu = OFries. kleve = D. klaauw, 
a claw) ; with formative -I, -el, from a simple 
base preserved in OHG. encha, einka, leg, ankle, 
MHG. anke, ankle (> F. hanche, E. haunch, q. 
Ankh carried 
