Tab. II, Fie. 
Tabs Tey Bie: 
— 10. 
— 11. En Kjeve af samme, forstørret. 
— 120213. Ligeformede 
2. Ryggens Hudskelet fra den indvendige 
Side, naturlig Størrelse. a, Skivens Hud- 
skelet; b, Armenes Hudskelet. 
3. En ligedannet Pedicellarie med sin Ba- 
saldel og dennes Forlængelse, forstørret. 
4. En Kjæve, seet fra indre Flade, for- 
størret. 
1. Asterias hyperborea, naturlig Størrelse. 
2. Arme af den samme fra Bugsiden, for- 
storret. a, ventrale Randplader; b, Bug- 
plader; c, dorsale Randplader. 
3. Et Stykke Ryghud med Pigge og Pedi- 
cellariekrandse, noget forstorret. 
4. Et Stykke Ryghud med Pigge, Pedi- 
cellarier og Tentakelrør, noget forstørret. 
5. Korsformet Pedicellarie med Basaldel, 
forstørret. 
6. Ligeformet Pedicellarie 
forstørret. 
7. Hudskelettet af Skiven og en Arm, for- 
storret. åa, Kalkplade med sin knopfor- 
mige Ledflade; b, Udløber; c, korsfor- 
met Kalkplade; d, aflang Maske. 
med Basaldel, 
8. En fra Bugsiden seet Arm af Asterias 
Gunneri. a, Ventralpig; b, Dorsalpig. 
9. To Arme af den samme, for en Del 
blottede for Ryghuden. da, Hudskelet- 
tet, seet udvendig fra; b, den gaffelfor- 
mige Kalkplade, der omfatter to Adam- 
bulacralplader og hviler paa Ventralpla- 
dens overste Flade; c, Adambulacralpla- 
der; d, Odontophor. 
En korsformet Pedicellarte af Asterias 
Miilleri, forstørret. a, Basaldelen; 0, 
Kjæven; c, Vacuoler. 
a, Tæn- 
der; b, Kalktakker paa den forlængede 
Del. 
Pedicellarier af Ast. 
Miilleri, forstørrede. a, Basaldelen; 0, 
Kjæven med dens Masker; c, Tænder. 
— 14. En ligeformet Pedicellarie af Asterias 
Tab. IV, Fig. 
rubens. 
1. Asterias stellionwra, naturlig Størrelse. 
2. Den samme, seet fra Bugsiden. da, ven- 
tral Randpig med Pedicellarier; b, Bel- 
tet imellem Furepapillerne og Ventral- 
piggene tæt besat med lige Pedicellarier. 
3. En korsformet Pedicellarie med sin Ba- 
saldel, forstorret. 
im, 
Pl. II, 
Pl. IV, 
fig. 
— 10. 
— 11. 
vw 
«I 
The dermal 
SIZE. 
The disk’s dermal skeleton. 
ial dermal skeleton. 
A rectiform pedicellaria with the basal 
part and its prolongation; magnified. 
abactinal skeleton; natural 
Aspect of the interior surface. a, 
b, The brach- 
A jaw. Aspect of the interior surface; 
magnified, 
V 
Asterias hyperborea, natural size. 
Actinal aspect of rays; magnified. a, The 
ventro-marginal plates. 0, The ventral 
plates. c, The dorso-marginal plates. 
A portion of the abactinal integument, with 
spines, and chaplets of pedicellariz ; some- 
what magnified. 
A portion of the abactinal integument, with 
spines, pedicellariæ, and tentacular tubes; 
somewhat magnified. 
A cruciform pedicellaria, with the basal 
part; somewhat magnified. 
Å rectiform pedicellaria, with the basal 
part; somewhat magnified. 
Dermal skeleton of the disk, and a ray; 
magnified. a Calcareous plate, with knob- 
formed articulatory surface. b, Prolonga- 
tions. c, Cruciform calcareous plate. d, Ob- 
long mesh. 
Actinal aspect of a ray of Asterias Gun- 
nerd. ad, A ventral spine. 0, A dorsal 
spine. 
Two rays of Asterias Gunneri; abactinal 
a, Exterior 
b, The bi- 
includes 
integument, partly removed. 
aspect of the dermal skeleton. 
furcate calcareons plate which 
two adambulacral plates, and rests on the 
ventral plate’s superior surface. c, Adam- 
bulacral plates. d, The odontophore. 
A cruciform pedicellaria of Asterias Miil- 
ler; magnified. a, The basal part. 06, The 
forceps or jaw. c, Vacuola. 
A jaw of the above, magnified. 
b, Calcareous aculeæ on the 
portion. 
a, Teeth. 
elongated 
— 12,13. Rectiform pedicellariæ of Asterias Miil- 
— 14. 
fi 
ge 
3. 
ler?; magnified. a, The basal part. b, The 
reticulated jaw. c, Teeth. 
A rectiform pedicellaria of Asterias rubens. 
Asterias stellionura, natural size. 
Actinal aspect of the ray. a, The ventro 
marginal spine, with pedicellariæ. 0, The 
border between the furrow-papillæ and the 
ventral spines, closely beset with rectiform 
pedicellariæ. 
A cruciform pedicellaria with it’s basal 
part; magnified. 
14* 
