Tab. VILL, Fig. 15. 
Tab. IX, Fig. 
— 
nebformige Ende; c, det halvrunde 
Indsnit; d, Tænder. 
Et Stykke Hudskelet af en Arm af 
den samme og endel af Rygskiven, for- 
storret. a, Kalkstykkerne i Rygskiven; 
b, ventrale Randplader; c, dorsale Rand- 
plader; d, forlængede Plader, der danne 
Kalknettet. 
Et Stykke Hudskelet og Skelet- 
tet af en Arm af Stichaster roseus, 
seet halvt fra Bugen halvt fra Siden, 
forstørret. a, Adambulacralplader; 0, 
Bugplader; c, ventrale Randplader; 
d, dorsale Randplader. 
En Arm af Solaster glacialis, forstorret. 
Den samme, seet fra Bugen. a, Piggene i 
Interbrachialrummet; b, den underste 
Tverrække af +Pigge; c, Tverrekker 
længere ud paa Armen; d, Mundpla- 
derne med deres Pigge. 
Et Tverstykke af en Arm af Solaster 
glacialis, seet fra Ryggen, forstørret. 
Det samme, seet fra Bugen. «a, Pax- 
illerækken, der begrændser Armen til 
Siderne; b, de egentlige Furepigge; 
c, de Tverrækker af Pigge, der lige- 
som Furepiggene ere fæstede til Ad- 
ambulaeralpladerne. 
Solaster glacialis, aabnet fra Ryggen 
og udpræpareret, forstørret. a, Mund- 
pladerne med Kalkpigge (Tender); |, 
Hudskelettet paa Skiven, seet indven- 
dig fra; c, Hudskelettet paa Armen, 
ligeledes indvendig fra; d, Bugtladens - 
Hudskelet; e, ventrale Randplader; /f, 
Odontophor. 
Et Stykke af en Arms Skelet og Hud- 
skelet af Solaster glacialis, seet halvt 
fra Bugfladen halvt fra Siden, for- 
storret. a, de ventrale Randplader ; 
b, de dorsale Randplader; c. Adambu- 
lacralpladernes undre Rand. 
Solaster affinis, aabnet fra Ryggen, 
udpræpareret og forstørret. a, Ryg- 
gens Hudskelet af Skive og Arm; 0, 
Hudskelettet 1 Interbrachialrummet; 
ce &d, ventrale Randplader; e, den ne- 
dre, smalere Del af Odontophoren; /f, 
dennes øvre, bredere Del. 
Hudskelet og Skelet af et Armstykke 
at Solaster affinis, seet halvt fra Bu- 
gen halvt fra Siden, forstørret. a, ven- 
trale Randplader; 6, Adambulacral- 
plader. 
Solaster furcifer, aabnet fra Ryggen, 
PI. VILL, fig. 15. 
formed extremity of the jaw. c, The 
rounded cayity. d, Teeth. 
A portion of the dermal skeleton of a ray of 
Stichaster albulus, and a part of the abact- 
inal disk; magnified. a, The caleareous os- 
sicles in the abactinal disk. 0, Ventro- 
marginal plates. c, Dorso-marginal plates. 
d, Elongated plates which produce the 
calcareous reticulation. 
A portion of the dermal skeleton, and 
skeleton of a ray of Stichaster roseus; 
magnified. Aspect, partly lateral, and, 
partly actinal. a, Adambulacral plates. 
b, Ventral plates. ¢, Ventro- marginal 
plates. d, Dorso-marginal plates. 
A ray of Solaster glacialis; magnified. 
Actinal aspect of the same. «a, The 
spines of the interbrachial space. 0, The 
inmost transverse series of spines. c, The 
transverse spinal series of the rays. 
d,'The oral plates with their spines. 
A transverse portion of a ray of Solaster 
glacialis, abactinal aspect; magnified. 
Actinal aspect of the same. «a, The pax- 
illar series, forming the lateral margin 
of the ray. 0, The real furrow-spines. 
c, The transverse series of spines; which 
like the furrow spines, are secured to 
the adambulacral plates. 
Solaster glacialis, opened from the abac- 
tinal surface, and dissected; magnified. 
a, The oral plates with calcareous spines 
(Teeth). 6, The dermal skeleton of the 
disk; interior aspect. d, Dermal skeleton 
of the actinal surface. e, Ventro marg- 
inal plates. jf, The Odontophore. 
Portion of the skeleton of a ray, and 
dermal skeleton of Solaster glacialis; mag- 
nified. Aspect, partly lateral, partly ac- 
tinal. a, The ventro-marginal plates. 0, 
The dorso-marginal plates. c, Inferior 
margin of the adambulaeral plates. 
Solaster affinis, opened from the abact- 
inal surface, and dissected; magnified. 
a, The abactinal dermal skeleton of the 
disk and rays. 0, The dermal skeleton 
of the interbrachial space. c, d, Ventro- 
marginal plates. e, The inferior narrow 
part of the Odontophore. —/, It’s superior 
broad part. 
Dermal skeleton, and skeleton of a por- 
tion of a ray of Solaster affinis; magni- 
fied. Aspect, partly lateral, partly act- 
inal, a, Ventro-marginal plates. b, Ad- 
ambulacral plates. 
Solaster furcifer, opened from the abact- 
