118 Principal J. W. Dawson oyi Mr. Carter'' s 



pyriform, somewhat compressed and subacuminate at top ; 

 opening behind curved, tubular. Growth lax, straggling, 

 irregular. 



Hab. Swain's Bay. 



It has much of the habit and general aspect of Grisidia 

 genicidata, but differs in the number of cells in the internode, 

 the very sparse punctuation of the surface, and in the form of 

 the oooecia. 



Fam. Tubuliporidae. 



Genus TUBULIPORA, Lam. 



TidjuUpora stellata, n. sp.? 

 Zoarium irregularly stellate ; zoooecia diverging from the 

 centre in all directions. 



Hah. Swain's Bay, Kerguelen's Island (Eaton). 



Fam. Discoporellidse. 



Genus Discoporella, Bk. 



Discoporella infundihidiformisj n. sp. 



Zoarium stipitate infundibuliform : zoooecia arising from 

 the interior of the funnel ; mouth expanded, with five or six 

 acute teeth. 



Hab. Swain's Bay, Kerguelen's Island {Eaton). 



Discoporella canaUculata^ n. sp. 



Zoarium circular, bordered, slightly convex ; tubes very 

 irregularly uniserial, with a raised canalicular fillet on one 

 side ; interspaces cancellous. 



Hah. Swain's Bay, Kerguelen's Island [Eaton). 



XIV. — On Mr. Carter's Objections to Eozoon. 

 By Principal J. W. Dawson, LL.D., F.R.S. 



With reference to these, as stated in the December number 

 of the 'Annals,' I beg to make an explanation as to matters 

 of fact. The woodcut which Mr. Carter criticises was intro- 

 duced into my little book in connexion with the history of 

 the discovery of Eozoon^ and as an illustration from Dr. Car- 

 penter of the tubulated wall first recognized by him. There 

 are in the book several other illustrations of these structures, 

 though of com'se not nearly so many as my collections could 

 furnish. The appearance of this cut as an illustration of my 

 note in ' Nature was an accident for which I am not respon- 



