ANALYTICAL INDEX. 
CHAPTER IX.—continued. 
Specimens chiefly from Shetland and Orkney Islands, PAGE 245 
Note—specimen with a snow-white plume, 
Plates XXXI., XXXII, XXXII, explained, 
§ 3. AMPHITRITE FLOSCULA, : . 
This animal is distinguished by strange peculiarities, 
Smaller than either of the preceding, it surpases them in sneanty, 
Resembles the ventilabrum and bombyx, 
Description, . 
Its tubular dvelline the thie! of aitinal com fem. 
Observations on two specimens, 
Surprising that sodiminutive a creaturecan piodued email secretion! 
Buoyancy promoted by air bubbles, 
A timid animal—Viviani’s Spirographus, 
The Floweret Amphitrite rare in the Scotish seas, 
Plate XX XI. explained, 
§ 4, MiscELLANEous, 
Other species not sufficiently aeeiieal 
1, Fapricta, c : : : 
A minute animal resembling the Fabri icia by Miiller, 
Specimens had six segments in place of twelve or thirteen according 
to Fabricius and Johnson, 
Description, - 
Dwells in a tube of its own fabrication, 
Found in pools near low water, 
Plate X XXII. explained, 
2. AMPHITRITE LUNA, , 
Features of small animals Pooper Sata 
mn 
b 
Animal placed provisionally, 
Description, 
Plate XX XI. eerieiaer 
3. FrniporA FILOGRANA, 
Proper place between the Mereintrite and the Serpula, 
A marine product of deep waters, 
No uniformity of size or shape, and no two ites 
Animal described, c 
Tubes slender and intricately woven, 
Animal very delicate, : : ; C 
Plate XXXIV. explained, 
ib. 
247 
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