ald, ID, Me, Bi), 
— 36. 
38. 
fra Ventralsiden, naturlig Størrelse. a, det 
brede Belte, dannes af de to for- 
reste Folder af det ventral-laterale Sep- 
tum, opslaaet; b, en Rest af det brede 
Belte, slaaet nedad for at vise Tilhæft- 
ningen til den nederste Rand af Sep- 
tum transversale; c, Septum transver- 
sale; d, Bindevævstraade, der fæster 
Septum transversale til den indre Coenen- 
chymvæg; e, Bunden af Sidekanalen; 
der 
J, den øverste Rand af Septum trans- 
versale; g, Axens Ende. 
Den nederste Ende af Bulbus, seet 
fra Dorsalsiden, naturlig Størrelse. a, 
de dorsal-laterale Septa, fæstende sig 
paa Axeskedens Sideveeg; 0, Axens 
Ende; c, en stærk Fold fra de dorsal- 
laterale Septa, hvilken væsentlig bidrager 
til Dannelsen af Septum transversale; 
d, Septum transversale. 
Et Tversnit af endel af Stokkens bul- 
bøse Del, forstørret. a, et Septum, 
der gaar fra Coenenchymvæggen til 
Axeskeden, og hvori sees en Mængde 
Ernæringskanaler; b, Længdekanalerne 
i Coenenchymet; c, Tverkanaler; d, kon- 
centriske Lag i Axen; e, radiære Bin- 
vævstibre 1 Axen; f, Axens membrana 
propria (cuticula); g, Axeskedens indre 
Membran; Å, Bindevæv, der danner Sam- 
menvoxningen mellem Skedens indre og 
ydre Membran, og hvori sees en Meenede 
Saftkanaler 1 Skedens ydre Membran. 
i, Skedens ydre Membran. 
Et Tversnit af en Zooides Tentakel, stærkt 
forstørret. a, Ectodermceller; b, encel- 
let Slimkjertel; c, fibrilert Bindevæv 
med spindelformige Bindevævslegemer. 
Et Længdesnit af Zooidens Tentakel; a, 
Ectodermeceller; b, encellet Slimkjertel; 
c, Kjertelens Aabning. 
Tversnit af Stokkens Coenenchym, 60 
Gange forstorret; tegnet under Camera 
lucida. a, b, Ketoderm med encellede 
Slimkjertler; c, stærkt rødfarvet, fibrillært 
Bindevæv med Bindevævslegemer;  d, 
Længdekanaler; e, listeformigt Frem- 
springi Længdekanalerne; /, blaat farvede 
Pl. IX, fig. 35. 
— 36. 
— 37. 
38. 
39. 
dissected from the ventral side; natural 
size. a, The broad band, formed by the 
two anterior folds of the ventro-lateral 
septum; turned up. 0, Å remnant of 
the broad band; turned down, to show 
ithe attachment to the inferior margin 
of the septum-transversale. c, The 
septum-transversale. d, Connective-tissue 
filaments which attach the septum-trans- 
versale to the inner wall of the sarco- 
e, The bottom of the lateral 
canal. jf, The superior margin of. the 
septum-transversale. 
of the axis. 
soma. 
g, The extremity 
Dorsal aspect of the inferior extremity 
of the bulb; natural size. a, The Dorso- 
lateral septa attached to the lateral 
wall of the sheath of the axis. 0, The 
extremity of the axis. c, A strong fold 
from the dorso-lateral septa, which 
principally contributes to the formation 
of the septum-transversale. d, Septum- 
transversale. : 
Transverse sectional aspect of a portion 
of the bulbous part of the stalk; magnified. 
a, A septum, proceeding from the wall 
of the 
axis, and in which a multitude of nut- 
b, The longitud- 
inal canals in the sarcosoma. 
of the sarcosoma to the sheath 
rient ducts are seen. 
c, Trans- 
versal canals. d, Concentric layers in the 
axis. e, Radiating connective-tissue fibres 
Jf; Membrana propria 
(cuticula) of the axis. g, Inner mem- 
h, The 
forms the con- 
in the axis, 
brane of the sheath of the axis. 
which 
the 
membranes of the sheath, and in which 
connective-tissue 
cretion between inner and outer 
a multitude of secretory ducts are seen 
in the outer membrane of the sheath. 
i, Outer membrane of the sheath. 
Transverse sectional aspect of the tentacle 
of azooid; greatly magnified. a, Bctoderm 
cells. 6, Single-celled mucous gland. 6, 
Fibrillous connective-tissue, containing 
fusiform connective-tissue corpuscles. 
A longitudinal section of the tentacle 
of the a. Eetoderm cells. 0, 
Single-celled mucous gland. c¢, Aperture 
zooid, 
of the gland. 
Section of the sarcosoma of the stalk; 
magnified 60 times; drawn under camera 
lucida. a, b, Ectoderm with single-celled 
mucous glands. c, Deep-red coloured 
fibrillous 
conective-tissue, containing 
connective-tissue corpuscles. d, Longi- 
tudinal canals, e, Fillet-formed prominence 
