72 







V^^\5t^BEP0RT on the PORIFEKA of the L. M. B, C. 



DISTRICT. 



By Thos. Higgin, F. L. S. 



The following classification will show the systematic position 

 of the species discussed in this Report, while the right hand 

 column will serve as a list of all the species collected. 



PORIFERA {= Class SPONGIDA, Huxley). 

 Order I.— CARNOSA (Carter). 



Family. Group. Genus. Species. 



Halisarcida.... .. ... Halisai'ca dujardinii, J. 



Order IIL-PSAMMONEMATA (Carter). 



Family. Group. Genus. Species. 



Arenida. ... Arenosa, ... Dysidea fragilis, J. 



Order IV.— RHAPHIDONEMATA (Carter). 



Family. Group. Geuus. Species. 



Chalinida. ...Digitata. ... Chalina oculata, Bk. 



Reptata. ... Chalina linibata, Bk. 



Order V.— ECHINONEMATA (Carter). 



Family. Group. Genus. Species. 



FtCTYoiiiBA.Dictyoci/lindrina. Dictyocylindrus sUiposus, Bk. 

 Plumohalichondrin a.Plumohalicho7idria pliLmosa, C. 

 Echinoclathrma. ...Ophlitaspongia sei^iata, Bk. 



Order VI.— HOLORHAPHIDOTA (Carter). 



Family. Group. Geuus, Species. 



. Renierida. ...Amoiyliosa. ... Amorphina panicea, S. 



Amorphina coccinea, S. 

 Amorphina albescens, S. 

 Amorphina caruncula, S. 



