acr. . . 
ad. tent. 
b. w. 
D. 
dend. tent. . 
ect. . 
end. . 
end. mse. 
PLATE XXVII. 
LETTERING ON THE FIGURES. 
acrorhagia. Othe 6 o 5 o Ouilahie, 
adhesive tentacles. @3. . . . . . esophagus (stomatodeum). 
body-wall. @s.gr. . . . . esophageal groove (gonidial 
directive mesentery. groove). 
dendritic tentacles. Oho 3 3 o 9 Oneiay 
ectoderm. hee 1S Ae parapet. 
endoderm. periph. tent. . . peripheral tentacles. 
muscular layer of endoderm. sph... . . . sphincter muscle. 
globular tentacles. Va soo 6 5 Gg USyahy 
mesoglea. tent.. . . . . tentacle, 
mesentery. | UO 6 9 o 6 o NieRICD, 
nematocysts. woot. . . . . Zooxanthelle. 
nervous layer of ectoderm. 
Actinoides Dixoniana (H. and 8.), (p. 424). 
Figure. 
i 
9 
ae 
SS) ea Bey tS eS 
Vertical section of upper portion of column with acrorhagia, sphincter, and tentacles. 
Transverse section of a mesentery with testes. 
Aetinoides Papuensis, n. sp. (p. 426). 
. Vertical section of upper portion of column with acrorhagia and sphincter. 
. Transverse section of a mesentery with ova. 
. Transverse section of a specimen with two pairs of directives. 
. Transverse section of a specimen with three pairs of directives. 
Transverse section of a specimen with four pairs of directives. 
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