352 ANALYTICAL INDEX. 



CHAPTER X. MISCELLANEOUS. 



Introductory remarks, . . PAGE 352 



1. PRIAPULUS CAUDATUS, ... ib. 

 Authors differ as to the position of this animal in the Systema, ib. 

 Figure described, ..... 254 

 Finest specimen from Shetland, . . ib. 

 Always full of blackish matter, . . ib. 

 Plate XXXV. explained, . . ib. 



2. CLYMENE BOREALIS, ..... 255 

 The genus Clymene of naturalists not remote from the Terebella, ib. 

 First observed by Savigny in Egypt, ... ib. 

 Animal described, . . . . . ib. 

 Dwells in a compact, hard, irregular tube, . . ib. 

 Plate XXXV. explained, ... 256 



3. SlPHONOSTOMA, ..... ib. 



Resembles the Siphonostoma of Otto, . . ib. 



Shows some analogies to the habits of the Nereis, . ib. 



Description of the animal, ... ib. 



Spawn, ...... 257 



Lurks in shells, or under them, . . . . ib. 



Plate XVIII. explained, .... ib. 



4. PHERUSA MULLERI, . . . . ib. 

 Does not agree with the features assigned to it by Miiller, 



Blainville, and Oken, . . . ib. 



Description of the animal, .... ib. 



None of the specimens constructed tubes, . . . 258 



Ovarium, ...... ib. 



Plate XVIII. explained, ib. 



5. NEREIS HIRSUTA, ..... 259 

 Length the sixteenth of an inch, &c., . . , ib. 

 Swims swiftly, ..... ib. 

 Plate XXXVI. explained, . . . . ib. 



6. NEREIS PECTINATA, The Feathered Nereis, . . ib. 

 May prove an intermediate link to Amphitrite, . . ib. 

 Length, &c., ...... ib. 



Plate XXXVI. explained, . . . ib. 



