Tab. XIV, Fig. 
ee) 
«I 
10. 
11. 
12. 
13. 
14. 
15 
. En lignende Pedicellarie, forstorret. 
117 
Randpladerne, lidt forstørret. a, Pig- 
gen paa de dorsale Randplader; 0, 
Pigge paa de ventrale Randplader. 
Et Stykke af Armens Paxillarfelt, lidt 
forstørret. 
To Arme med Interbrachialrum, na- 
turlig Størrelse. a, den trekantede Del 
af Adambulacralpladen med Ambulacral- 
piggene; b, Mundpladen (Tandlegemet). 
Interbrachialrummet med den inderste 
Del af to Arme, forstørret. a, trekan- 
tet Del af Adambulacralpladen; b, Pe- 
dicellarien, der bæres af Midtpiggen paa 
Adambulacralpladen ; c, de siddende Pe- 
dicellarier, som indtage Interbrachial- 
rummet; d, Mundpladerne med sine to 
Rækker Papiller; e, Randplader; (ff, 
Fodder. 
En stilket Pedicellarie, forstørret. a, 
Rummet imellem Kalkpladen og den 
ydre Membram; 0, b, de hvælvede Læ- 
ber; c, c, Listen paa Læberne; d, Spal- 
ten imellem Læberne; e, Del af 
Stilken. 
. Kalkskelettet af 
larie, forstørret. 
en 
stilkede Pedicel- 
&, den nederste, til- 
rundede Ende; b, den vingeformige Ud- 
vidning; c, den brede Fure; d, Forlæn- 
den 
gelsen af samme; e, Fortsættelsen af 
Furen paa den ydre, konvexe Rand; f, 
Sideflade. 
En siddende Pedicellarie, forstørret. da, 
Basaldelen med sin Ledflade; b, Kalk- 
skelettet; c, Spalten i den Skelettet 
omgivende Hud; d, Spaltens tykke, 
hvælvede Læber; e, Muskel. 
a, 
Basaldelen; 0, Skelettet; c, Furen i 
samme; d, Spalten. 
En lignende, seet en face; forstorret. 
Et Stykke af Armens Ryghud for - at 
vise Skelettet fra den ydre Flade, pre- 
pareret og forstorret. 
Et Stykke Ryghud af Armens Sidedel, 
seet fra den indre Flade, præpareret 
og forstorret. 
Odontophoren, seet fra den anden Side 
(den, der vender til Kropshulheden), 
forstørret. a, den indre, skarpe Rand; 
b, vingeformig Proces. 
Den samme, seet fra den ydre Side, 
forstorret. 
. Den samme seet fra Siden, forstørret. 
PL MANY, 
fig. 
I 
ie) 
10. 
TIL, 
12. 
13. 
14. 
15. 
Marginal plates; a little magnified. a, The 
spine on the dorso-marginal plates. 6, The 
spine on the ventro-marginal plates. 
A portion of the paxillar area of a ray; 
a little magnified. 
Two rays and interbrachial space; natural 
size. a, The triangular portion of the ad- 
plate, with the aimbulacral 
b, The oral plate (Dental base). 
The interbrachial space, 
part of 2 rays; magnified. a, The triang- 
ular part of the adambulacral plate. 0, 
The pedicellaria carried by the mesial 
spine of the adambulacral plate. c The 
sessile pedicellariz which occupy the inter- 
brachial space. d, The oral plates, with 
their two series of papillæ. e, Marginal 
plates. f, Suckers. 
ambulacral 
spines. 
and the inner 
A peduneulated pedicellaria; magnified. 
a, The space between the calcareous plate 
and the exterior membrane. 0, b, The 
c, ¢, The fillet on the labiæ. 
e, A 
swollen labiæ. 
d, The fissure between the labiæ. 
portion of the peduncle. 
Caleareous skeleton of the pedunculated 
a, The lower 
b, The wing shaped 
pedicellaria; magnified. 
rounded extremity. 
expansion. ¢, The broad furrow. d, Pro- 
longation of the furrow. e, The continua- 
tion of the furrow on the outer convex 
margin. f, Lateral surface. 
A sessile pedicellaria; magnified. a, The 
basal part, with its articulatory surface. 
b, Caleareous skeleton. c, Fissure in the 
integument of the skeleton. d, The 
tumified arcuate labiæ of the fissure. 
e, Muscle. 
A similar pedicellaria; magnified. a, The 
basal part. 0, The skeleton. c, The fur- 
row in the skeleton. d, The fissure. 
A similar pedicellaria, facial aspect; mag- 
nified. 
A portion of the dorsal integument of the 
ray, showing the skeleton viewed from the 
exterior surface, dissected and magnified. 
A portion of the dorsal integument of the 
ray, showing the skeleton viewed from the 
interior surface; dissected and magnified. 
The odontophore, viewed from the inner 
side (that facing the body cavity); magni- 
fied. a, The inner acuminate margin. J, 
Wingformed process. 
The same, viewed from the outer side; 
magnified. 
The same, lateral 
aspect; magnifled. 
