THE PORIFERA. 79 



crumb). Sponges of this character come under Schmidt's 

 genus Amorjihina, and into Mr. Carter's group Amorphosa. 

 Amorphosa is the first group in Mr. Carter's Order VI, 

 which embraces the Reniera of Schmidt, the Snberites and 

 the Pachytragida, or Corticata, as well as the Lithistina and 

 Spo7igilla. It is a very large order, but the divisions of it 

 are very marked, and easily distinguishable. 



L. M. B. C, No. 85. 4. Collected at Hilbre Island, and 

 also at Port Erin, Isle of Man. 



L.F. M., No. 24. 5. 73, 4. From the Egremont shore 

 and Holyhead. 



Amorphina coccineay S. 



Hymeniacidon coccinea, Bk. 



This species is, as its name implies, a scarlet coloured 

 sponge, and having acerate spicules, I have placed it in the 

 group Amorphosa. It is a sessile species. The specimen in 

 the L. F. M. Collection is mentioned by Dr. Bowerbank in 

 his third volume, page 353. 



L. F. M., No. 24. 5. 73, 16. Collected in Belfast 

 Lough. V. 



Amorphina albescens, S. 

 Hymeniacidon albescens, Bk. 



This is a sessile species, which puts out usually one, but 

 sometimes more than one, branch, about a couple of inches in 

 length, with a diameter of a quarter of an inch or less. It is 

 yellow when living, but in the dried state is greyish white. 

 Its spicules, like those of the preceding species, are acerate. 



L. F. M., No. 22. 4. 9. 74, 5. Holyhead. V. 



Amorpliina carunculay S. 



Hymeniacidon caruncula, Bk. 



Dr. Bowerbank makes this species to differ from its very 

 near relative Hymeniacidon sanguinea in colour, and in the 

 size of its spicules. In the living state it is '' light to deep 



