SUB- 
substantia nigra,—a semilunar layer 
- grey cells of the mid-brain 
nat.). 
vabetnative variation,—changes in 
the actual constitution or substance 
ve me parts ; cf meristic variation 
danas (stibstér’nal) a@. 
under ; sternum, breastbon 
the sternum (zool.). 
su 
45 sub, 
i Below 
o (subst tds) a. [L. sud, 
pyre a la yer] Slightly 
or indistinctly ge Sale 
substratum Scovteast ge nm. [L. sud, 
under ; layer.] The 
base to which a rion aged animal 
or a plant i oh oan (dio. 
subtectal (siibték’tal) a. Be sub, 
: ert. the 
alisphenoid of a fish skull (zo0/.) 
stibtég’minal) @ 
under; “#gmen, a covering.] 
Ontler the yg or inner coat 
of a seed (bo0. 
1 
tions of the  etioinnk coelom 
zool. 
subthoracic (sitb théras tk) a. 
der; Gk. thorax, breast.] 
Not so far ae as to be called 
thoracic ; ane certain fish - fins 
ar ed. 
a. mal, . 
sub, U ncatus, d.] 
Terminating rate abruptly, as if 
cut off (dio : 
ton! iggy tb ee 
| dghow 
sient 
bulate Gabalat) a 
ne 
[L. sud, 
ge] Deviating 
[L. sududa, an 
d; afi. leaves, 
_tapering from the 
Bt) 6... 2ke 
er ; umbella, a small shade. ] 
Tending to an umbellate arrange- 
ment, with — arising from 
a common centre (07. 
subum (siib’imbo nail) a. {L. 
sub, under ; umbo, boss.| Beneath 
or anterior to the umbo of a bivalve 
hell (zoo/. 
Eomatued of) (eitb'imbré’s) m [Le 
313 
SUC- 
sub, under; umbra, shade.] The 
rte ae inner surface of the medu- 
soid bell (zoo/.). 
acct ig (stibiin’sinat) a. [L. sad, 
uncus, hook.] Having a 
soitiowhiat hooked process ; some- 
what hook-shap 
subungual (aibang’gwal) @, 41. pe 
under ; unguzs, oP agg Under 
nail, a or oe (zoo 
su punguis ( (sib biing’gwis) " [L. su Su 
under ; ig wets tal pan ail.] The ba 
scale of a claw. 
subvaginal (stibvaj'inal) a. [L. su 
» lider ished ee sheath. ] Within 
or under a 
sb vectstibel: (Siva) a. mele 
sub, under ; nt.] 
Uiner the celaae prea 
subzonal (siibzd’nal) a. me 
nder ; a belt.] Appi. 
layer of cells segregates se ethal 
to the zona ra 
subzygomatic (sitbai’ gomid tp a. Tis 
sub, under; Gk. zygon yoke. ] 
Un ae the cheek-bone 
succiferous (siiksif’ ris) a. [L. succus, 
ayy ; ferre, to carry.] Sap-conveying 
suecise (siiksis’) a, [L. succisus, 
a - off.] Abrupt ; aoneatiins 
ff (do7.). 
each leaf aor part of that 
nade it (dot. 
‘scam (sik’alé nt) a. [L. succ 
sap.] ~~ ith tissues full of juice “oe 
(dot. 
cous (sik) n. [L. succus, juice, 
pi e juice of a plant; fluid 
secreted by satay glands (biol. ). 
S 
terranean and 
may ultimately form an independent 
lan sage gh ae organ adapted for 
creating a v: ome animals 
for purposes 0 of ingestion, 2} others 
to assist in locomotion (zoo/. 
sucking - disc, — isc aia in 
attachment, at the end o n 
echinoderm tube-foot i. 
eck Ade 
furnished with suckers ; aff/. a pa 
of at in relation with the Sesceias 
