INDEX. 



749 



Zirconiides 



Zoanthidae 



Zoanthoida 



Zoarces viviparus 



Zonuridse 



Zoological equipment 



Zoology 



Page 

 . 612 

 . 355 

 . 354 

 . 86 

 . 58 

 . 623 



Zoophyta 



Zootoca vivipara 



Zosteraceso 



Zosterites 



Zygaenidse 



Zygophyllese 



Page 

 5,379 

 . 56 

 . 511 

 . 563 

 . 89 

 . 444 



ADDENDUM. 



While this work has been passing through the 

 press, the following Sub-Order of Gasteropodous 

 Pectinibranchs has been proposed by Dr. Gray to 

 embrace the family of the Cones (Conidce), and pos- 

 sibly also the Fissure-shells (Turridce). 



S US-ORDER TOXIFEROUS-PECTINIBRANCHS (Toxifera). 



Head with a tubular expansion of the veil between 

 the tentacles ; proboscis retractile, furnished with a 

 fleshy tube, having a bundle of subulate barbed 

 teeth at the end, instead of the usual lingual riband. 

 Carnivorous. 



