ANALYTICAL INDEX. 
CHAPTER X.—continued. 
6. 
2 
10. 
THE 
12. 
13. 
VOL, Il. 
Nereis pHasma,—The Spectre Nereis, 
plexes observers, 
Discovery of specimen in a vezeel of eaeeeter 
So transparent as to be scarcely perceptible—Mr Syme, 
Other specimens, 
Animal described, 
Is colourless, 
Swims horizontally, 
The Briarean scolopendra of Oney and iGayaaed bear resem- 
blance to it, 
Plate XXXVI. explained, 
OcTropDACTYLUS INHARENS, 
Strange that life shall only be fuataed at the TE of life, 
This parasite infests the gills of the ling, 
Description, 
Twenty-nine specimens remeved om the gills of a ee 
Plate XXXVI. explained, 
. SPHARULA, 
This animal seems to fase no nites in the Systema: 
Its form, organs, &c., 
Motion extremely slow, 
ANIMALCULA, 
The Animaleula ease form the peonter neon of this class, 
Their minuteness obstruct observation, 
MELICERTA RINGENS, 
This minute animal may prove one ‘of the Aemenden 
Form described, 
The tube, in which it dwells, apes praca 
Found in fresh-water lakes, 
Plate XXXVI. explained, 
CARBASARIA FIMBRIATA, 
Resembles a Planaria, 
Description, 
Ts a beautiful animal, 
Plate XXXVI. explained, 
ANIMALCULUM CRUCIATUM, 
Shuttle-shaped Animalculum found euties the ova of the 
Lumbricus cirratus, 
d 
353 
PAGE 259 
Difficulty of obtaining distinct views of a living subject per- 
260 
ib. 
263 
264 
266 
ib. 
