12 DB. W. BATED ON NEW TUBTCOLOUS ANNELTDES. 



remains behind in dried specimens), that I have been enabled to 

 add some new species, belonging to the national collection, not 

 hitherto described. The number of genera characterized by 

 Philippi belonging to the Serpulidse is ten, and the species enu- 

 merated by him as occurring in the Mediterranean alone are 

 twenty-five. Various other exotic species have been described at 

 diiFerent times, and to these I now propose adding several more. 



Grenus Eupomatus, Philippi*. 



1. EupoMATUs BoLTOsri, Baird. (PI. I. figs. 2, 2o, h.) 

 Char. Animal (operculo excepto) ignotum. Operculum corneum, in- 

 fundibuliforme, margine extemo dense crenato, interne cuspidibus 

 calcareis viginti dentatis instructum. Testa rubra, triquetra, adhae- 

 rens, transversim rugosa, dorse canaliculata. 

 Hab. Nova Zelandia. (,Mus. Brit.) 



This is a fine species of the family Serpulidae, of which, however, 

 we have as yet only received the shelly tube and the operculum 

 of the animal. In our national collection we possess three good 

 specimens of the shell and three specimens of the operculum. 

 This portion of the animal is large, and by means of it we can 

 distinctly refer the species to the genus Eiipomatus of Philippi. 

 It is rounded, slightly funnel-shaped, and of a horny texture 

 (PI. I. fig. 2 a). Externally the margin is densely crenated — 

 the crenations being about eighty-eight or ninety in number, and 

 tooth-like. Internally it is provided with a considerable number 

 (about twenty) of hard, flattened, calcareous spikes (or, as Phi- 

 lippi elsewhere calls them, horns, cornua), rising up from the 

 centre and strongly dentate — these teeth being four or five in 

 number, stout, rather blunt, and arranged on one side only (fig. 

 2 b). The spike itself terminates in a claw-shaped sharp point, 

 slightly curved at the extremity. These spikes bear altogether an 

 exact resemblance to the toothed extremity of the large claw of 

 a lobster. The tube, in all the specimens which I have seen, is 

 found attached to, and creeping on, dead shells (fig. 2). In one 

 specimen, which, however, is not quite perfect at the posterior 

 extremity, it is about three inches in length. It is of a red 

 colour, triquetrous where attached, but round at the anterior ex- 



* The genus Hupomatus was constituted by Philippi to receive those species 

 of Serpula that had the operculum furnished on the upper side, in the centre, 

 with a certain number of moveable spikes. The operculum, he says, is horny, 

 and in the Mediterranean species these spikes are horny also ; but this latter 

 character does not hold good in all the other species which have been described. 



