Tab. VIII, Fig. 28. 
== 3&0), 
— 3l. 
— 32. 
Tab. IX, Fig. 33. 
— 34. 
til venstre; 4, 5, 6, dorsal-laterale 
Polyper; 7, laterale Polyper til høire. 
Schematisk Fremstilling af Polypernes 
Stilling paa Rachis af Umbellula encrinus 
No. 12, seet ovenfra; Bugen fortil. a, 
skedeformet Udvidning; 0, c, dorsal- 
laterale Polyper 1 yderste Række. 1*, 
Terminalpolyp; 1, 1, central-dorsale Po- 
lyper. 2, 3, 4, 5, dorsal-laterale Polyper ; 
6, laterale Polyper til hoire Side. 7, 8, 9, 
10, dorsal-laterale Polyper; 11, laterale 
Polyper til venstre Side. 
Bægerformet Rachis med lancetformede 
Zooidetelter, samt den øverste Del af 
den skedeformige Udvidning, noget for- 
størret. 
Et Tversnit af den midterste Del af 
den skedeformige Udvidning, noget for- 
storret. a, Axen; b, Ventralkanalen; 
c, høire Sidekanal; d, Dorsalkanalen; 
e, venstre Sidekanal; f, Coenenchymet 
paa Dorsalsiden med sine Kanaler; g, 
Coenenchymet paa Ventralsiden; h, et 
listeformigt Fremspring 1 Ventralka- 
nalen. 
Tversnit af den øverste Del af den 
skedeformige Udvidning, forstørret. a, 
Ventralkanal; b, Dorsalkanal; c,c, Side- 
kanalerne udvidede mod Dorsalfladen ; 
d, Deling af Septa, hvorved store Tver- 
kanaler dannes. 
Størstedelen af den bulbøse Del, seet 
fra Ventralsiden, naturlig Størrelse. a, 
den bagerste Længdefold af det ventral- 
laterale Septum; 6, den forreste Længde- 
fold af samme Septum; c, det brede 
Belte, dannet af de to forreste Længde- 
folder af det ventral-laterale Septum; 
d, Bindevævstraade; e, Aabninger paa 
Coenenchymets indre Væg; f, den for- 
tykkede Bindeveevslamel paa den ydre 
Flade af Skedens ydre Membran; g, 
Udskjæringer og Indrids i samme. 
Den nederste Ende af Stokkens bulbøse 
Del, aabnet fra Ventralsiden, naturlig 
Størrelse. a, Fold af 
det ventral-laterale Septum, dens Til- 
hæftning udad til Coenenchymets indre 
Væg og indad til Axen; 6, den ydre 
Flade af Axens Skede. 
den bagerste 
Den nederste Ende af Bulbus, aabnet 
Pl. VILT, fig. 
IX, fig. 
28. 
29. 
30. 
Bill, 
32. 
34. 
polyps. 3, Left hand lateral polyps. 4, 
5,6, Dorso-lateral polyps. 7, Right hand | 
lateral polyps. 
Outline representation of the position of 
the polyps on the rachis of Umbellula 
encrinus, No. 12; superior aspect. The 
a, The sheath- 
b,c, Dorso-lateral pol- 
yps of the 1*, Ter- 
minal polyp. 1,1, Centro-dorsal polyps. 
2,3,4, 5, Dorso-lateral polyps; 6, Right 
hand lateral polyps. 7, 8, 9, 10, Dorso- 
lateral polyps. 11, Left hand lateral polyps. 
venter facing anteriorly. 
formed dilation. 
exterior series. 
Chalice-formed rachis, with lanceolate 
zooidal areas; also, the superior portion 
of the sheath-formed dilation; somewhat 
magnified, 
Transverse sectional aspect of the mesial 
portion of the sheath-formed dilation ; 
somewhat magnified. æ, The axis. b, The 
ventral canal. c, The rightlateral canal. 
d, The dorsal canal, e, The left lateral 
canal. f, The sarcosoma of the dorsal 
side with its canals. g, The sarcosoma 
h, A fillet-formed 
prominence in the ventral canal. 
of the ventral side. 
Transverse sectional aspect of the superior 
portion of the sheath-formed dilation ; 
magnified. da, The ventral canal. 6, The 
c, ¢, Lateral canals, dilated 
d, Division 
transversal 
dorsal canal. 
towards the dorsal surface. 
of septa, by which large 
canals are formed. 
Ventral aspect of the greater part of 
the bulbous portion; natural size. 4, 
The posterior longitudinal fold of the 
ventro-lateral septum. 0, The anterior 
longitudinal fold of the same septum. 
e, The broad band formed by the two 
anterior longitudinal folds of the ventro- 
lateral 
filaments. 
septum. d, Connective-tissue 
e, Apertures in the inner 
wall of the f, The tume- 
fied connective-tissue the 
outer surface of the exterior membrane 
of the sheath. g, Carvings and inlay- 
ings of the same. 
The inferior extremity of the bulbous 
portion of the stalk, dissected from the 
ventral side; natural size. a, The post- 
erior fold of the ventro-lateral septum ; 
Sarcosoma., 
lamella, on 
its attachment, outwards, to the inner 
wall of the sarcosoma, and inwards, to 
the b, The of 
the sheath of the axis. 
The inferior extremity of the bulb, 
AXIS. exterior surface 
