Ao, IDSC, Nie, 10, 
11, 
12. 
13. 
udpræpareret og lidt forstørret. a, Hud- 
skelettet paa Skivens Ryg; 0, Do. paa 
Armene: ©, Randplader; d, 
Bugplader; e, Odontophor. 
ventrale 
Et Stykke af en Arm af den samme, seet 
fra Bugen, af hvilken de blode Dele ere 
borttagne, forstørret. a, ventrale Rand- 
plader; b, Adambulacralplader; c, An- 
tydning til dorsale Randplader. 
En Arm, paa hvilken Hudskelettet er 
udpræpareret. a, Kalkplader paa Rye- 
gen; b, dorsale Randplader; c, ventrale 
Randplader; d, Paxiller, der bæres af 
de dorsale Randplader; e, Paxiller, som 
bæres af de ventrale Randplader. 
Et Stykke af en Arm af Solaster pap- 
posus, seet halvt fra Bugen halvt fra Si- 
den; de bløde Dele borttagne, lidt for- 
storret. a, Adambulacralplader; 0, ven- 
trale Randplader; c, dorsale Randpla- 
der; d, Paxiller, der bæres af de dor- 
sale Randplader. 
Et Stykke af en Arm af Solaster endeca, 
seet halvt fra Bugen halvt fra Siden; 
de bløde Dele borttagne. a, Adambu- 
lacralplader; >, ventrale Randplader; c, 
dorsale Randplader. 
Et Stykke af en Arm af Solaster affi- | 
ms, seet fra Bugfladen, forstørret. a, 
Å 
Furepigge; b, Tverrækkepigge. 
En Arm af Asterina tumida, seet fra 
Bugfladen, forstørret. a, Fodder; b, in- 
dre Ambulacralpigge; c, ydre do.; d, 
Kjæver med sine Pigge. 
Huden 
slaaet tilside, præpareret, forstørret. a, 
Ambulacralplader; 6, Adambulacralpla- 
der; c, Tender; d, Odontophor; e, dor- 
sale Randplader; jf, ventrale Randpla- 
der; g, Bugplader; h, Ryghudens Kalk- 
plader; 2, Tentakelporer. 
2 Arme, aabnede fra Ryggen, 
Et Stykke Ryghud, forstørret. 
Odontophoren, forstørret. a, halvmaane- 
formigt Indsnit paa den smale Ende; 0, 
den hvælvede, indre Rand; c, Apophyse; 
d, Fure paa dens ydre Flade. 
Asterina tumida, tuberculata, 
naturlig Størrelse. 
Et Stykke af en Arm af samme, noget 
forstørret. 
Et Stykke af en Arm, seet fra Bugen, 
noget forstørret. 
Poraniomorpha rosea, naturlig Størrelse. 
Den samme, seet fra Bugen. 
varietas 
IPB, IDG me, 
IPL, XX, 18 
10. 
TLL 
13. 
14. 
oa 
6. 
«I 
jf, Ventro - marginal plates.  g, 
inal surface, dissected, and a little mag- 
nified. a, Dermal skeleton of the dorsal 
disk. 6, Dermal skeleton of the dorsal 
rays. ¢, Ventro-marginal plates. d, Act- 
inal plates. e, The Odontophore. 
Actinal aspect of a portion of a ray, from 
which the soft parts have been removed; 
magnified. a, Ventro-marginal plates. 0, 
Adambulacral plates. c, Indications of 
dorso-marginal plates. 
A ray, upon which the dermal skeleton is 
dissected. a, Calcareous plates of abact- 
inal surface. 0b, Dorso-marginal plates. c, 
Ventro-marginal plates. d, Paxillæ car- 
ried by the dorso-marginal plates. e, Pax- 
ille carried by the ventro-marginal plates. 
Part of a ray of Solaster papposus, a 
little magnified. Aspect, partly lateral, 
partly actinal. The soft parts removed. 
a, Adambulacral plates. 
inal plates. 
Paxillæ 
b, Ventro-marg- 
c, Dorso-marginal plates. d, 
carried by the dorso-marginal 
plates. 
Part of a ray of Solaster endeca. 
partly lateral, partly aetinal. The soft 
parts removed. åa, Adambulacral plates. 
b, Ventro-marginal plates. c, Dorso-mar- 
einal plates. 
Part of a ray of Solaster affinis. Actinal 
aspect; magnified. da, Furrow-spines. 0), 
Spines of transverse series. 
Aspect, 
A ray of Asterina tumida. Actinal aspect; 
magnified. a, Suckers. b, Inner ambula- 
eral spines. c, Outer ambulacral spines. 
d, Jaws with their spines. 
‘Two rays opened from the abactinal sur- 
The integument pushed aside, dis- 
a, Ambulacral plates. 
c, Teeth. d, The 
Dorso-marginal plates. 
Ventral 
h, Dorsal integument’s calcareous 
i, Tentacular pores. 
A portion of dorsal integument; magnified. 
The Odontophore, magnified. a, Semi-lunar 
b, Arcu- 
d, Furrow 
face. 
sected; magnified. 
b, Adambulacral plates. 
Odontophore. — e, 
plates. 
plates. 
cavity on the narrow extremity. 
ate inner margin. c, Apophysis. 
on the outer surface. 
Asterina tumida, varietas tuberculata; nat- 
ural size. 
A portion of a ray of the same; some- 
what magnified. 
A portion of a ray, actinal aspect; some- 
what magnified. 
Poraniomorpha rosea; natural size. 
Actinal aspect of the same. 
