Tab, VI, Fig. 1. 
bo 
kanalen; h*'Tragten. 
Tversnit af Huden paa den forreste, 
10. 
Den bagerste Ende af samme, seet fra- 
oven. JE: 
Saccosoma vitreum, naturlig Størrelse. 
Den samme, forstørret. a Den forreste, 
eylindriske, opake Del; b Mundaabning ; 
ce Den glasklare, kugleformige Del; d 
Den komiske, * opake Ende; e Analaab- 
ning; f Tarmslyngninger. 
Den samme, aabnet eftér Rygsiden, for- 
størret. «4 Længdemuskler; 6 Mund- 
‘aabning, omgivet af en Vold; c Npise- 
røret: d Maven; e Begyndende Tarm:; 
Jf Tarmslynger. hvori sees Excrementer ; 
g Rectum; h Tendinøse Fibre, som binde 
Rectum til Kropsvæggen; 7 Den tilbage-, 
slaaede Hud. 
Den forreste, cylindriske, opake Del af 
Legemet, aabnet efter Ryggen og Spise- 
røret borttaget, forstørret. a Længde- 
muskler; b Oentralnervestrængen. med 
sine Sidegrene; c Æggestokken; d Agge- 
beholderen (Uterus); e Æg; f Udførsels- 
kanalen for Uterus; g Æg 1 Udførsels- 
oylindriske, opake Del af Legemet, for- 
størret. @ Cuticula; b Epithel; ¢ Binde- 
væv: d Ringmuskler; .e Længdemuskler:; 
J En fin Nervegren; g Ganglieformige 
Fortykkelser. — 
Huden af den glasklare Legemsdel, 
hvori Muskelfletninger sees, forstørret. 
a Ringmuskler; b Længdemuskler; c 
Skraamuskelfibre, der udgaa fra Ring- 
musklerne. 
Excrementer, forstørret. 
Et Stykke af Ækggestokken, forstørret. 
a Follikel; b Celler. 
Epithetosoma norvegicum, forstørret. a 
Kroppen; b Snabelen. 
Den samme, forstørret og aabnet efter 
Bugfladen. a Tarmen. 
Den samme, aabnet efter Ryggen, for- 
storret.. å Aabningen paa Hudens indre 
Flade; 6 Spiserøret; ¢ Indsnøring, hvor 
Spiserøret gaar over i Tarmen ; «d Tarm- 
folder; e Muskelbaand. langs Tarmens 
Rygtlade: f Uterus? 
Den forreste Kropsende, aabnet for at 
vise Aabningerne. for Sidespalterne, samt - 
Aabningen for Snabelen, forstørret. a 
‘Spalteaabninger; b Snabelaabning. 
Pl. VL, fig. 
2 
©, 
«1 
10. 
LIL 
12. 
Same animal, posterior extremity, viewed 
from above. 
Saccosoma vitreum, natural size. 
Same animal, magnified: å anterior, cy- 
lindric, opaque portion; b buccal aper- 
ture: c the hyaline globular portion; d 
the conical, opaque extremity; e anal 
opening; f circumyolutions of «the im- 
testine.. , 
Same animal, opened dorsally, magnified: 
æ longitudinal muscles; b. buccal aperture, 
surrounded by a ridge; c esophagus; d 
stomach; e commencement of intestine; f' 
‘ circumvolutions of the intestine, in which 
are seen faecal pellets; g rectum; / ten- 
dinous fibres, webbing the rectum to the: 
wall. of the body; ¢ the skin, laid ‘back. 
The anterior, cylindrical, opaque portion 
of the body, opened dorsally, and with 
the æsophagus  removed, ‘magnified: a 
longitudmal muscles; 6 central nervous 
chord, with the subsidiary branches; c 
the ovary; d the uterine pouch (uterus);, 
e ova; f the eferent canal for the uterus; 
g ova in the 'eferent canal; 4 the funnel. — 
Transverse section of the skin on the 
anterior, . cylindrical, ‘opaque portion of 
the body, ‘magnified: a cuticle; b-epi- 
c connective tissue; d annular 
muscles; e longitudinal muscles; f a 
slender nervous branch; g ganglionous ° 
thelium ; 
inspissations. 
Skin of the hyaline portion of the body, 
in: which are seen muscular reticulations, 
magnified: @ annular.muscles; b longitud- - 
inal muscles; c oblique protending mus- 
cular fibres, issuing from the annular: 
muscles. 
Feces, magnitied. 
A piece of the ovary, magnified: @ a fol- 
licle; 6 cells. ‘ 
Hpithetosoma norvegicum, magnified: a the 
trunk; b the proboscis. 
Same animal, magnified, and opened ven- 
trally; a the intestine. 
opened dorsally, 
nified: @ Opening on the inner surface 
Same - animal, mag- 
of the skin; b esophagus; c an instric- 
tion, ‘where the æsophagus passes into 
d folds’ of the intestine; ‘e 
muscular bands passing along the dorsal 
the imtestine; 
surface of the intestine; f the uterus. 
Anterior. extremity of the body, opened 
to show the apertures for the lateral fis- 
sures and the orifice for the proboscis, 
magnified: a fissiform apertures; 0 orifice 
for the probostis. 
