358 ANALYTICAL INDEX. 



CHAPTER XI. continued. 



8. EOLIS INEQUALIS, . . . l*At!K 306 



Irregular in its parts, . . "> 



Animal described, . ib. 



Specimens, . . ib- 



Plate XLIV. explained, . ib. 



9. EOLIS MONOCEROS Unicorn Eolis, 307 



From the preceding this not a monstrosity, . ib. 



Animal described, . ib. 



A lively little creature, . ib. 



Plate XLV. explained, . ib. 



10. EOLIS TENAX The Adhering Eolis, . ib. 

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

 Specimen food, ... ib. 

 Plate XLV. explained, ... 308 

 A young specimen, . . ib. 



11. EOLIS HYSTRIX The Porcupine Eolis, . . ib. 

 Distinguished by its peculiar habits, . . ib. 

 Account of specimens, . . . . ib. 

 It does not shun the light, . . 309 

 Carnivorous, ..... ib. 

 Propagation, . . . . .310 

 Branchife regenerated, . . . . 311 

 Very irritable animal, . . . . ib. 

 It is rare, . . . . . 312 

 Plate XLV. explained, .... ib. 



12. EOLIS PURPUREA The Purple Eolis, . . ib. 

 This a different species, approximating to the Eolis viridis, 313 

 Animal described, .... ib. 

 Plate XLV. explained, . . . . ib. 



13. EOLIS PAPILLOSA, .... 314 

 Improperly described by Baster, as one of the deformities 



of nature, ..... ib. 



Specimen by R. Wilson, . . . . ib. 



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



Slight variations are seen in the branchiae, . . 315 



Colour varies, ..... ib. 



Very prolific, . . . . . ib. 



