TWO NEW SPECIKS OE THE PHO EON IDEA. 
273 
Size. — One of the Lu-gest specimens measures 147 mm. in 
length afcer preservation, 65 mm. of this being the ampulla, 
which, as a rule, seems to extend for nearly half the length of 
tlie animal. Some specimens are slig’htly under 100 mm. 
Text-fig. 7. 
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'/ /# ’ — ' ■- j i f- : . ■ - AVCv 
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Tranverse section througli lopliopliore showing loplioplioral organ 
(/. o.), and gaj) in inner row of tentacles {x}. ( x 50.) 
long. The tentacles, which are frequently found regenerating, 
are, when fnlly grown, 3 to 4 mm. long (Fig. 6). The general 
width of the body is 1 to 2 mm. in the anterior region and 
3 mm. across the ampulla. 
Lophophore. — 4'he extent to which the lophophore is 
coiled is shown in Fig. 7, from which it may be seen that there 
is a more <listinct spiral than in the horse-shoe form of 
Fhoroiiopsis al bomac n la ta. The tentacles are also 
more nnmerons than in this species, for which Gilchrist 
voi.. 58, PAUT 2. NEW SERIES. 18 
