442 
PACIFIC SCIENCE, Vol. XVII, October 1963 
folliculinids of quite varied nuclear components 
have been assigned to M. limnoriae. This is 
understandable. Since many different species of 
Limnoria have evolved in various regions of the 
world (Menzies, 1959) one would not expect 
the folliculinids, with which they are so inti- 
mately associated, to have remained constant. In 
M. limnoriae, as was previously pointed out for 
E. lignicola, nuclear components varied with the 
degree of body contraction following fixation. 
With peristomal lobes well contracted into the 
lorica, the nucleus appeared as little more than 
a dark spherical mass near the point of the body 
attachment. However, with peristomal lobes re- 
laxed and carried high above the distal opening 
of the neck, the nucleus appeared as a string of 
beads whose size and numbers of components 
h 
-i 
130 p 
Fig. 6. Mirofolliculina limnoriae as viewed from 
the dorsal surface, showing: a, pouch viewed through 
neck; b, an extremely small pouch. 
180 p 
Fig. 7. Lagotia viridis, as viewed from the right 
side, showing: a, neck; b, three spiral whorls; c, non- 
flattened sac; d, spherical nucleus; e, non-spatulate foot. 
varied. The largest number of nuclear compo- 
nents (Fig. 5 A, a) observed was nine (and this 
was not in a completely relaxed specimen). The 
question of whether variations in nuclear com- 
ponents and/or variations in number, arrange- 
ment, and size of lateral pouches have specific 
value must await further and more extensive 
investigations. However, as mentioned by Mohr 
(1959) some correlation seems to obtain be- 
tween the latitude in which M. limnoriae is 
found and the degree to which its lorica is 
branched (compare Giard’s figure of M. lim- 
noriae from France {Fig. 2 A, B] with my figure 
of M. limnoriae from Hawaii {Fig. 6] ) . 
Lagotia viridis, T. S. Wright 1858. Description 
of New Protozoa. Edinb. New Phil. Journ, 
New Series, 7:276-281. 
While not directly attached either on or in 
riddled wood panels, L. viridis was abundant on 
and in the empty osseous valves of the prio- 
nodesmacean mollusk Ostria virginica, which 
was present on all panels observed. Although, 
in an earlier publication (Matthews, 1953) 
Lagotia simplex (Dons, 1917) (reassigned by 
Hadzi, 1951, to Ascobius simplex ) was also 
credited with occupying this habitat, there is no 
