5346 
ANALYTICAL INDEX. 
CHAPTER VI.—continued. 
Absorption, : PAGE 171 
Structure—MM. ogee Milne Uileraniee 
None of the specimens took food, 
The hair loses its brilliance after separation, 
Plate XXIV. described, 
Concluding remarks, 
Plate X XIV. explained, 
CHAPTER VIL—SABELLA AND CONGENERA, 
§ 1. 
Ln 
bo 
Annelides have been denominated erratic and sedentary, 
Some which seem erratic may have permanent places of refuge, 
Different species found in the Scotish seas, 
Sabella forms its own dwelling, 
SABELLA ALVEOLARIA,—The Honeycomb Sabella, 
Animal described, 
Ova, , 
A timid, lively, areas creature, ; 
Instinct displayed in constructing its dwelling, 
Selects material for the purpose, 
Night the chief season of labour, 
Breaches in the tube repaired, 
Specimens at work, 
Some outstrip their neighbours, 
Greatest activity oie warm weather, 
Food unknown, 
Plate XXYV. eseplatned® 
. SABELLA BELGICA—A MPHITRITE AURICOMA, 
Lamarck’s genus Pectinaria, 
Many analogies detached by artificial sy stein 
Size and organs described, 
Constructs a very delicate tube, 
Very timid, : 
Found among the Shetland ‘Talnidly 
Plate XXYV. explained, 
CHAPTER VIIL—TEREBELLA. 
Habits in construction similar to the foregoing, 
ib. 
176 
177 
178 
181 
The terms mason or potter might be aptly applied to the Terebella, 182 
