ROS- 
rosette plate,—five interradial basal 
plates aed together in Crinoids 
(zool.). 
ened (rés'tél) 3 [L. rostellum, dim. 
of rostrum A 
ostrum, a beak.] rostellum. 
rostellar = ra) a. [L. rostellum, 
all Pert. a rostellum. 
m 
rostellate (rdstél'at) a. [L. rostellum, 
a a — Furnished with a 
small 
roste iteoem _(résteliform) ee EE, 
=. "y small ; forma, 
shape.] Shaped like a al beak. 
rostellum ssa han). iis rostellum, 
s beak. :2 
a beaked-shaped process (aaz.). 
egraer (rds'tral) a. [L. rostrum, a 
[L. rostrum, a 
Beaked. 
rostriform (rés'triférm), rostroid 
(rds'troi 
‘orma, shape; G _ resem- 
blance.] Beak-shape 
rostrulate (rés’ troolat) a {i vor 
a small beak.] Like a 
trulum, 
rostrulum 
rostrulum (rds aga n. {L 
ast a small beak.] A snail 
rostru: 
rostrum ama (6st) nm. [L. rostrum, 
a_beak.] eak or beak-like 
process ; 
Pe ms ojecting process 
— the eyes of a Crayfish ; a 
the a of Cirripedes 
zool. 
rosalar (réz’tlar), rosulate (réz’ oye 
. [L. rosa, a rose.] Arrange 
A.S. ~— to rot.] 
cay; decomposition; disease 
ngi or Bacteria wee? : 
a — disease causing emaci 
tion (00 
— Coe) a. [L. rofa, a wheel. 
Shaped like a le with flat an 
. 
a oe ta, a 
ming as on a pivot, 
S.) ; circulation, as of 
B 
gags 
cell sap (402). 
278 
[L. rostrum, a beak ; 
RUG- 
rotator —_ tor) #. [L.rvofa, a wheel.] 
Am which allows of circular 
sein —- z.) 
rotatores spinae,—paired muscles, 
one on each side of the spine, each 
arising from a transverse process 
of a vertebra and inserted into the 
ertebra next above (anaz. 
otiform (rd'tifé ee be 
_— oo dae shape.] Wheel- 
$e 
ame (rdt’ ula) 2 re rotula, a small 
wheel.] One of five radially- -directed 
of the oesophagus of a Sea-urchin 
ae ; the patella or kneecap 
weenie "oe r) a. font a 
eel.] Pert. the r 
rotuliform eotwliform) a. “fe rotula, 
el; forma, shape.] 
roulea 
peuiethe a wheel. 
piles of coins into which re 
corpuscles tend to “9 aaa when 
someneto is at rest ( phy 
rubiginose (roobij’ mos) dap us 
ubigo, rust.] 
the 
st; affected by rust 
29 
ruderal (roodéral) a. [L. 
débr is 
é 
or debris (b08. 
dimentary —— pss eth. 
rst mpt.] In 
at an early stage of development 
arrested at an ] ves 
tigial, in maak ra authors (do/.). 
ruff (rii eae to reave.] 
A = tos: ve" hair or feathers 
(20 
ruga yaa ga) n. {t . ruga, a wrinkle.] 
A fold or wrinkle, as the folds of 
the ont Rta membrane of certain 
Ng (ana 
nade rugose (roog’6s), 
rugous (roog’tis) a. [L. ruga, a 
wrinkle. Wrinkled ; with many 
wrinkles on the surfac 
rugulose (ooeneh ds) a. ae ruga, a 
wrinkle.] Finely wrinkled. 
