221 
j the middle streak. All mesenteries inclusive the directives were 
fertile. The species is dioecious. 
The size of the nematocysts and spirocysts in four specimens 
was as follows. (The three first specimens were taken at the Auck- 
land Islands, the fourth at the Campbell Island, n: common ne¬ 
matocysts, nv: nematocysts with visible basal part to the spiral 
thread, sp: spirocysts. 
Length and breadth 
(at the pedal disc) 
Column 
Tentacles 
of the specimens 
n 
n 
1) 
2 2 
22 
—26X 1,5—2 p 
24—31 X2 fi 
2) 
1,3 1,6 
19 
—24X1,5 (2) 
20—29X2 
3) 
1,5 2,2 
— 
26—29X2 
4) 
1,4 2,2— 1,4 
17 
—20X 1,5 (2) 
23—26X2 (2,5) 
Tentacles 
Actinopharynx 
sp 
n 
nv 
1) 
22X2 —41 X2, 
5(3) 
fi 31 —38 X 2,5 fi 
22—29X4^^ 
2) 
17 X 1,5—36X2, 
5 
— 
— 
3) 
— 
31—36X2,5 
22—26X3,5—4 
4) 
17X1,5—31 (2,5 
,) 3 
29—36X2,5 
— 
The specimen 4 was not so much contracted as the others. 
Epiactis Thompsoni (Cough.) 
Actinia Thompsoni n. sp. Coughtrey 1874 p. 280. 
„ „ Cough. Hutton 1878 p. 313. 
„ ? „ „ Farquhar 1898 p. 527. 
Leiotealia „ („) Stuckey 1908 b. p. 370, PI. 18, figs. 1, 2, 
PI. 19, figs. 1—3, PI. 20, fig. 1.; 1908 c. p. 395. 
Epiactis Thompsoni (Cough) Stephenson 1922, p. 274. 
Epiactis novo-zealandica n. sp. Stephenson 1918 p. 24, PI. 1, fig. 8, 
PI. 3, fig. 28, PI. 6, figs. 3—4. 
Diagnosis. Pedal disc well developed. Column thick, cylin- 
drical, forming irregular flat papillae or folds on the surface, most 
distinet in the upper part. Fossa deep. Sphineter strong, cireum- 
script with a more or less distinet main lamella and densely packed 
folds.' Tentacles of ordinary length about 60—96, the inner some- 
