Macuire—Notes on Certain Actiniaria. vol 
EXPLANATION OF PLATE XXIVa. 
ar. mest., 
ect., 
end., . 
end. Mm. 
end. sph. m., 
Sf. mest. 
Le) 
MES.» « 
mes. sph. m., 
Fig. 
1. Phellia Sollast. 
LETTERING ON THE FIGURES. 
directive mesentery. 
ectoderm. 
endoderm. 
endodermal muscle. 
endodermal sphincter 
muscle. 
mesentery of fourth 
cycle. 
granular bodies in 
mesoglea. 
mesogloea. 
mesogleeal sphincter 
muscle. 
mest. fil., 
par., 
p. b. m.,. 
@S., 
@S. Gl. 
Oa, ¢ 
mar. sphr., « 
pp. mest., .« 
S. mest. 
t. MeSt., « 
ae 
lower end of the cesophagus. 
marginal spherule. 
mesenterial filament. 
parapet. 
parito basilarmuscle. 
cesophagus. 
cesophageal groove. 
ovaries. 
primary mesentery. 
secondary mesen- 
tery. 
tertiary mesentery. 
tentacle. 
Transverse section of half the column at the 
[Through an oversight on the part of the artist, a tertiary 
mesentery has been omitted in fig. 1; it should have 
been inserted in the space between the two pairs of 
2. Phellia Sollast. 
lateral primary mesenteries. | 
Vertical section through the upper part of 
the column-wall and tentacles, showing the mesogleal 
sphincter. 
38. Phellia Sollast. 
4, Actinia equina. 
Lower part of section 
granular bodies in the mesoglea. 
enlarged, showing 
Vertical section through the margin of the 
disc, showing a marginal spherule and the endodermal 
sphincter. 
