THE lobster's-horn. 313 



and when I returned in two or three hours, the ani- 

 malcule was a mere loose mass of granules, as were 

 those which were as yet confined in the parent vesicle- 

 I presume therefore that the quantity of water which 

 I had allowed to the specimen (a large drop in the 

 live-box of the microscope), was not sufficient to sup- 

 port life longer than an hour or so, and that this little 

 embryo was thus prevented from contributing any fur- 

 ther to my knowledge of its development. 



THE lobster's-horn CORALLINE. 



Aug. IWi. — There was a sort of appropriateness in 

 the circumstances under which I became acquainted 

 with the Lobster's-horn Coralline : it was thickly 

 studding the shell and limbs of a Crab, which was 

 thus formidably bristling with hairy horns. I am not 

 quite sure, however, whether the Zoophytes were 

 growing there, though many of them were furnished 

 with their slender waving root-fibres, and stood erect. 

 As stones in sand, and the sand itself are mentioned 

 as the localities affected by the species, it is probable 

 that the Spider-Crab, having casually been roving over 

 a forest of the stems, had got many of them entangled 

 among the close-set stiff hairs that everywhere cover 

 his shell, and had carried them away when he depart- 

 ed. I think this the rather because many of the 

 specimens w6re fragments of stalks, evidently so 

 entangled. 



The Antennularia has an aspect very diverse from 

 the Sertularm, Plumularia, and Campatiularice with 

 which it is allied, in its more robust form, its deep- 

 E 2 



