Cephaloptera 
Cephaloptera (sef-a-lop'te-ra), n. [NL. (Bisso, 
1826), fern, of cephalopterus: see ccplinlopter- 
ous.] The typical genus of the family Cepha- 
lopteridai: so called from having a pair of pro- 
jections like horns upon the head. Also Cepha- 
laptems. 
Cephalopterse (sef-a-lop'te-re), n, pi. [NL., 
pi. of Cephaloptfra. ,] Same as Cephalopterid<e. 
Miiller and Henle, 1841. 
cephalopterid (sef-a-lop'te-rid), n. A selachian 
of the family Cephalopteridce, 
Cephalopteridae (sef"a-lop-ter'i-de), n. pi. 
[NL., < Cephaloptera + -idee.] A family of ob- 
lique-mouthed fishes, of the group Batoidei, or 
rays, typified by the genus Cephaloptera. They 
have very oroad, laterally pointed, wing-like pectorals, dis- 
tinct cephalic tins, subteraiinal mouth, and fine teeth in 
one or both jaws, or none at all. The largest of the rays 
belong to this family, and among them is the devil-fish, 
Munta Irirostris, of the American seas. 
cephalopteroid (sef-a-lop'te-roid), a. and . 
[< Cephaloptera (Ceplialopterus, 2) + -oid.] I. 
a. Resembling or pertaining to the Cephalop- 
teridce. 
II. n. A cephalopterid. 
cephalopterous (sef-a-lop'te-rus), a. [< NL. 
cephalopterus, < Gr. ne$a.~f,ri, head, + irrepav, 
wing.] Having the head alate ; provided with 
wing-like cephalic appendages ; specifically, 
pertaining to or having the characters of the 
Cephalopteridie. 
Cephalopterus (sef-a-lop'te-rus), n. [NL. 
(Isid. Geoffroy, 1809): see cephalopterous.] 1. 
A remarkable genus of South American oscine 
passerine birds, of the family CotingidtK and 
subfamily Grymnoderince, including those fruit- 
crows which are known as umbrella-birds: so 
called from their singular crests. There are 
three species, C. ortiattis, C. pendulifier, and C. gldbrieol- 
lis. They are related to the bell-birds or arapungas. 
2. Same as Cephaloptera. 
cephalorachidian (sef"a-16-ra-kid'i-an), a. [< 
Gr. KZ$<MI, head, + pdxif (pa%i&-), spine, + -ian,] 
In anat., pertaining to the head and spine. 
cephalostegite (sef-a-los'te-jit), n. [< Gr. ne- 
0a/j?, head, + onytg.m roof, + -tie 2 .] In Crus- 
tacea, that part of the carapace which covers 
the head ; an anterior division of the carapace, 
in any way distinguished from the posterior di- 
vision, or omostegite. See Apus, 2, and Daph- 
nia. 
cephalot, cephalote (sef'a-lot, -lot), n. [< Gr. 
Ke^aXurrff, headed, with a nead, < Ke<jM/J/, head.] 
A yellow, elastic, fatty substance, insoluble in 
alcohol, but soluble in ether, obtained from the 
brain. It is probably cerebrin in an impure 
state. Also cerebrot. 
Cephalotaxus (sef " a - 16 - tak ' BUS), n. [NL. , < 
Gr. neepahri, head, + Tiifof (< L. taxus), a yew- 
tree.] A genus of coniferous trees, resembling 
and nearly related to the yew, but with clus- 
tered inflorescence and large plum-like fruit. 
There are four species, of China and Japan, two of which 
attain a height of about 10 feet, and the others of 50 and 
60 feet. They are sometimes planted for ornament, and 
are easy of cultivation. 
cephalote, n. See cephalot. 
cephalotheca (sef'a-lo-the'ka), n.; pi. cephalo- 
thecce (-se). [NL., < Gr. nefyrM), head, + ft?K7, 
a case: see theca.] In entom., the head-case, 
or that part of the integument of an insect- 
pupa which covers the head. 
ceph.aloth.ecal (seFa-lo-the'kal), a. [< cephalo- 
theca + -al.] Casing or sheathing the head; 
having the character of a cephalotheca. 
cephalothoracic (sef "a-16-tho-ras'ik), a. [< 
cephalothorax (-roc-) + -ic.] In anat., pertain- 
ing to or situated on the cephalothorax. 
Cephalothoracic scutum or shield, the plate covering 
the cephalothorax. See cut under Eurypterida. 
cephalothorax (sef " a - 16 - tho ' raks), n. [= F. 
cephalothorax, < NL. ccptialothorajc, < Gr. Ke^aMj, 
head, + ftipof, a breastplate : see thorax.] The 
anterior divi- 
/> sion of the body 
in arthropods, 
as crustaceans, 
spiders, scor- 
pions, etc., con- 
sisting of the 
head and thorax 
blended toge- 
ther. The term is 
also applied to the 
of Cephalolhorax of the entire anterior di- 
yiatilis), in vertical vision of the body 
of members of the 
a, rostrum ; .ophthalraite ; r, antennulae ; genus Limtdue hv 
rf, antenna; ; t, labrnra ; /, metastoma ; ?, thnaA wh/* hMH tlio 
mouth ; H. procephalic process ; i, ophthal- l 
mic sternite; *" antennulary steruite : J, view of its morphol- 
antennary sternite, or epistoma. Ogy thus implied. 
Ante 
r part 
Crawfish (Astacus j 
longitudinal section 
892 
Cephalothricidae, Cephalothrichidae (sef'a- 
lo-thris'i-de, -thrik'i-de), n. pi. [NL., prop. 
CepkalotrieMdee,<, Cephalothrix (-trich-) + -id<v.] 
A family of rhynchocrelous turbellariaus, typi- 
fied by the genus Cephalothrix, having an in- 
distinct head elongated and pointed, and no 
cephalic slits or lateral organs. Also Ceplialo- 
trichidie. 
Cephalothrix (sef-a-loth'riks), n. [NL. (Ce- 
phalotricli-), < Gr. Kcpa/.i/, head, + Bpil- (rpix-), 
hair.] The typical genus of the family Ccpha- 
lothriddte or Cephalotlirichida?. C. biocttlata is 
an example. Also Cephalotrix. 
cephalotome (sef'a-16-tom), n. [=F. cephalo- 
tome, < Gr. /cc^a/loriJ/iOf, cutting (off) the head, < 
KC<jM?.fj, head, + ro//<if, cutting, < re/ivav, ra/ieiv, 
cut.] In obstet. , an instrument for cutting into 
the fetal head as a preliminary to its forcible 
compression in order to facilitate delivery. 
cephalotomy (sef-a-lot'6-mi), n. [= F. cepha- 
lotomie = Sp. ccfatotomia, < Gr. Ktfyaf.ri, head, + 
Tony, a cutting, < re/tvetv, rajielv, cut: see anat- 
omy^ and cf. cephalotome.] 1. In anat., the dis- 
section or opening of the head. 2. In obstet., 
the act or practice of operating with the ceph- 
alotome. 
cephalotribe (sef'a-lo-trlb), . [=F. cepha- 
lotribe, < Gr. xe^a/li?, head, T rpi/ieiv, bruise.] 
In obstet., an instrument for crushing the head 
of the infant in the womb in cases of difficult 
delivery. It consists of a strong forceps, with a power- 
ful screw, by which the blades are forcibly pressed to- 
gether so as to crush anything that is between them. 
Cephalotrichidae (sef "a-lo-trik'i-de), n. pi. 
The correct form for Cephalothricidce, Cephalo- 
thrichidfe. 
cephalotripsy (sef 'a-16-trip-si), n. [< Gr. Kfd>a'/,t'/, 
head, + rpi^if, a rubbing, bruising, < Tptften; 
rub, bruise.] In obstet.. the use of, or the act of 
operating with, the cephalotribe ; the operation 
of crushing the head of the fetus in the womb 
to facilitate delivery. Dunglison. 
Cephalotrix (sef-a-lot'riks), n. Same as Cepha- 
lothrix. 
cephalotroch (sef'a-lo-trok), n. [< NL. cepha- 
lotrochum, neut. of cephalotrochus : see cepha- 
lotrochous.] In zodl., the preoral or cephalic 
division of a trochosphere (which see), as dis- 
tinguished from the postoral branchiotroch : 
thus, the velum of an embryonic mollusk in the 
veliger stage is a cephalotroch. 
Cephalotrocha (sef-a-lot'ro-ka), n. pi. [NL., 
neut. pi. of cephalotrochus : see eephalotro- 
ehous.] A group of polycheetous annelids, the 
ciliated free-swimming larvae of which have a 
row of cilia in front of the mouth at some dis- 
tance from the anterior end of the body, as the 
larva of Polunoe. Claus. 
cephalotrochal (sef-a-lot'ro-kal), a. [< cepha- 
totroch + -al.] Having a cephalic circlet of 
cilia ; of, pertaining to, or of the nature of a 
cephalotroch. 
cephalotrochic (sef"a-16-trok'ik), a. [< cepha- 
lotroch + -ic.] Same as cephalotrochal : as, 
the cephalotrochic tufts of Rotifera. Encyc. 
lint., XXI. 4. 
cephalotrochous (sef-a-lot'ro-kus), a. [< NL. 
cephalotrochus, < Gr. ne(j>a'/.ij, nead, + rpox6f, a 
wheel, a round cake : see trochee] Having a 
cephalic circlet of cilia ; specifically, pertaining 
to or having the characters of the Cephalotrocha. 
Cephalotus (sef-a-16'tus), n. [NL., < Gr. - 
^xz/iurof, headed, <J Kt$a>,ti, head.] A genus of 
plants of a somewhat 
anomalous structure, in- 
cluded in the natural or- 
der Saxifragacecs. Only one 
species is known, C.folliculari* 
(the Australian pitcher-plant), 
a curious herb with radical 
leaves, of which some are ellip- 
tic and entire, but others are 
altered into pitchers with a 
thickened notched rim, closed 
with lids like the true pitcher- 
plants, Nepenthes. The small 
white flowers are borne on a 
long spike. The generic name 
has reference to the capitate 
hairs which cover the base of 
the calyx. 
cephalous (sef'a-lus), a. 
[< Gr. ;0o^, head.] 1. 
Having a head: opposed 
to acephalous. 2. Per- 
taining to or resembling 
the CephalatO: as, the Australian Pitcher-plantt a- 
, , * -.f ,. fnalotus follrculnris). 
cephalous Mollusca. 
Cephalus (sef'a-lus), n. [NL. (Shaw, about 
1804), < Gr. wfiH head: see cephalic.] A ge- 
Cepphus 
nus of plectognathous fishes, to which different 
limits have been assigned, (i) Originally proposed 
by Shaw (in 1804) for the same species previously called by 
(JuvierMoinr.andby Blochand Schneider Orthvyoriitcux. (2) 
Later used by Ranzani (in 1837) for tilt- typical species of 
3/o/a, but a monstrous specimen of the species, (a) Subse- 
quently restricted by Swainson (in 1839) to the species typi- 
cal of the genus now called liaiaania. In the last sense it 
became the bnsis of the subfamily Cephalitife of the family 
llaliitidif iu Swainson's classification of Ashes. 
Cephea (se'fe-a), n. [NL. (Pe>on and Lesson, 
1809) : see Cep'lieits.] A genus of discophorous 
hydrozoans, of the order fthizostomea and fam- 
ily Cepheidw. See cut under Discophora. 
cepheid (se'fe-id), n. A jelly-fish of the family 
( 'epheida 1 . 
Cepheidae (se-fe'i-de), n. pi. [NL., < Cephea + 
-ifte.] The family of hydrozoans represented 
by the genus Cephea. Subsequently the family was 
reduced to the rank of a subfamily, which was named, from 
the associate genus(7 J yi.vr/i('za)of Cephea, Polyrhizidce, and 
referred to the family Toreumidat. Haeckel, 1879, 1850. 
Cepheus (se'fus), . [L., < Gr. Kj^rff, in myth. 
u king of Ethiopia, husband of Cassiope, father 
of Andromeda, and father-in-law of Perseus, 
The Constellation Cepheus. 
placed with these three among the stars.] 1. 
One of the ancient northern constellations, 
preceding Cassiopeia. It is figured to represent 
the Ethiopian king Cepheus wearing a tiara and having 
his arms somewhat extended. Its brightest stars are of 
the third magnitude. 
2. A genus of moss-mites, or acarids of the 
family Oribatidce. Koch, 1835. 
Cepola (sep'o-la), n. [NL. (in ref . to the resem- 
blance of the fish to the leaves of the plant), < 
ML. cepola, also cepula, a little onion, dim. of L. 
ccpa : see cepa and cibol.] The typical genus of 
the family Cepolidce, instituted by Linnaeus in 
] 766. A species of this genus is C. ruliesctns, found on 
the British coast, and known in England by the names red 
band-Jixh and red snake-fish. 
cepolid (sep'o-lid), n. A fish of the family Ce- 
pulida'. 
Cepolidas (se-pol'i-de), n. pi. [NL., < Cepola 
+ -idat.] A family of acanthopterygian fishes, 
represented by the genus Cepola, to which vary- 
ing limits have been assigned by ichthyologists. 
In Giinther's system of classification the Cepolidce form a 
family of his Acantho^iterygii blenniiformett, and are char- 
acterized by the elongated band-like body, which is much 
compressed ; by the absence of a bony stay for the preoper- 
ciilum ; and by the thoracic position of the ventral flns, 
which are composed of a spine and five soft rays. The 
species are called ribbon-fish, Innd-jigh, and sometimes 
//'/AV-//VA. in allusion to their elongated and attenuated 
form. Some other forms of the family name are Cepolidi. 
Cepolidia, and Cepolini. 
cepoloid (sep'6-loid), a. and n. [< Cepola + 
-aid] I. a. Resembling or pertaining to the 
Cepolidas. 
II. n. A fish of the family Cepolidce; a cep- 
olid. 
Cepphi (sep'fi), n. pi. [NL., pi. of Cepphus, 
q. v.] A group of diving birds: an inexact 
synonym of Pygopodes or Urinatores. 
cepphic (sep'fik), a. [< Gr. Ke-rrijtof, a light sea- 
bird, prob. the stormy petrel; hence, a feather- 
brained simpleton, a booby: see Cepphus.] 
Very light ; trifling. [Rare.] 
Cepphus (sep'fus), . [NL., < Gr. Kfa6of, a light 
sea-bird, prob. the stormy petrel.] In ornith. : 
(af) A genus of diving birds, the loons: sy- 
