.
ECONOMY OF? THE “BODY—41
"
'=Ix55'i
long slender cells fornng, &; dense lens-like layeraon
'
sùrfacè.
Still mûre cômplex
36)have alaÿer'of
black pigment— surrounding them;and
_
the glandular:tübule$
are arranged _irregularly inside” this—;
there is;:a
dense layer of spiCules fermingîa £kidb‘f;
_
then follow ràdially arrangéd:cells ortubësiàdîäthéËWhole;
,
is covered
—stfuèturel
Iri=s_ornecasestheskln
î
'
at.thesides of the Organ
kind—ofiris‘; In Photobl€pharon this
_
j;îf__Ï : f'
canbe ”closed—rightoVerthe]organ.—
,
'
>Îïî'fl i
"
The ,natUre-‘iand‘
_
these enig1_'ati—eal.Qtigans' have; been, i
—_ï:_—_;:_
"
,
closely -îstudied by =Lèndenfeld
ï
_"
'
3
_'
(1905), _Whoïîha'sÏ s‘ummarise'd his
conclusions regarding
in the
F
_'6
_
of …
following manner.
“
It' is most
ZËIÏΑihto
=”
_
very far_
from
âî£ .
_
,
(I) T_he=
organspr0duœarad1atmn
theïnthkbpdppg
i
dtgchthdtnm ;nhHhllf :
(3)Inthecompoundocellarorgans
this ”radiation is
suchamovementor‘àü
emission of corpus'C—les (clear—on bombardment)andongl!
nates in the inner part;
It is
into the surrounding water, butfacts on the ou_‘œf part and
induces this to ph03phoresce and emit etheréal wav€S(4)- The length ofthe ethereal waves thus directly
or m—
_
_
direCtly produced by one and the same organ …18 always the
_
f
same ‘; that of ;theï ethereal— waves produœd
organe is oftenfdifl’erent. , (5)
CâSCStheWve‘
length lies Within—
spectrum,mother
;
'
Cases
‘.0rgreaterandthetheradlaümls
f