Tab. VII, Fig. 10. 
ik. 
Tab. VIII. Fig. 12. 
13. 
14. 
JUG 
18. 
189) 
Fig. 20—23. 
Fig. 24, 26—34. 
Bindeveevet sees forskjelligformede Kalk- 
legemer. 
En Unge af Trochostoma Thomson, 
aabnet fra Ryggen, forstørret. dæ den 
tragtformige Forlængelse af Tarmen; b 
det høire Tarmappendix; c dets Befæst- 
ning paa Kalkringen; d det venstre 
Tarmappendix.: 
Et noget yngre Individ, aabnet tra Ryg- 
gen og Tarmen lagt til Side, forstørret. 
a den tragtformige Udvidning af Rec- 
tum; b høire Tarmappendix; c Blære paa 
samme; d det venstre Tarmappendix. 
Tversnit af Huden paa det Sted, hvor 
en Længdekanal og en Radialnerve løbe 
imellem to Længdemuskler, forstørret. 
a Nervestamme: 0, b Sidegrene; c 
Længdekanal; d, d Længdemuskler; e 
Kalklegemer. 
a, b, c Hudnerver med ganglionære Ud- 
vidninger og Forgreninger. 
Stenkanalen med Madreporpladen, seet 
fra Siden, forstørret. a Bindevævslag; 
b den afrundede Ende; c Madreporpla- 
den; d Kanalen. 
Stenkanalen med Madreporpladen, seet 
fraoven, forstørret. a Kanalen; b den 
afrundede Ende; ¢ Madreporpladen. 
. En Del af Stenkanalen med dens Kalk- 
ringe, forstørret. 
. Et Stykke Hud af Kroppens midterste 
Del, hvori sees Kalklegemer, forstørret. 
a runde, kjerneholdige Kalklegemer; b 
straalede Kalklegemer; c gjennembrudte 
Kalkplader med Krone. 
Et Stykke Hud af Kroppens forreste 
Ende, hvori Kalklegemer, forstørret. a 
en aflang Kalkplade med sin Krone. 
Et Stykke Bindevæv af Kroppens indre 
Beklædning, hvori sees runde, straalede 
Kalklegemer, forstørret. 
Tversnit af Huden, forstørret. a Cuti- 
cula; b Epithel; c ydre Bindevævslag; 
d indre Bindevævslag: e, e Kalklegemer. 
Forskjelligformede Kalklegemer i Huden 
paa Kroppens forreste og bagerste Ende, 
forstørrede. 
Forskjelligformede Kalklegemer i Krop- 
pens Hud, forstørrede. 
90 
Pl. VIL 
IPL, WAUUE, 
fig. 
iil. 
12. 
13. 
14. 
15. 
18. 
118), 
verse muscles. In the connective tissue 
are seen calcareous corpuscles of diffe- 
rent form. 
A young specimen of Trochostoma Thom- 
soni, opened dorsally; magnified: å 
funnel-shaped prolation of intestine; b 
right intestinal appendix; c its attach- 
ment on the calcareous ring; d left in- 
testinal appendix. 
A ‘somewhat younger example, opened 
dorsally, with the intestine moved aside; 
magnified: @ funnel-shaped expansion of 
rectum; 0} right intestinal appendix; c 
vesicles on do.; d left intestinal appendix. 
Transverse section of the skin, where a 
longitudinal canal and a radial nerve 
pass between two longitudinal muscles, 
magnified: @ nervous stem; b, b lateral 
branches; c longitudinal canal; d, -d 
longitudinal muscles; e calcareous cor- 
puscles. . 
a, b, ¢ nerves in the skin, with ramifi- 
cations and ganglionic expansions. 
Sand canal with madreporic body, lateral 
aspect, magnified: @ layer of connective 
tissue; 5 rounded extremity; c madre- 
porie body; d the canal. 
Sand canal with madreporic body, viewed 
from above, magnified: @ the canal; 6 
its rounded extremity; ¢ madreporic body. 
Part of the sand-canal with its calcare- 
ous rings, magnified. 
A piece of skin from the medial part 
of the body, in which are seen caleare- 
ous corpuscles, magnified: å round, nu- 
cleal calcareous corpuscles; b radiating 
calcareous corpuscles; ¢ perforated cal- 
careous plates with a corolla. 
A piece of skin from the anterior ex- 
tremity of the body, in which are seen 
calcareous corpuscles, magnified: a oblong 
calcareous plate with its corolla. 
Strip of connective tissue from the inner 
covering of the body, throughout which 
are dispersed around, radiating calcareous 
corpuscles, magnified. 
Transverse section of the skin, magni- 
fied: a cuticle; b epithelium; c outer 
layer of connective tissue; d inner layer 
of connective tissue; e, e calcareous cor- 
puscles. | 
Caleareous corpuscles, of different form, 
in the skin, at the anterior and posterior 
extremities of the body; magnified: 
Calcareous corpuscles, of different form, 
in the skin of the body; magnified. 
