PLATE IX. 



Liiffaria vanahilis, n. sp. 



Fig. 1. A colony of three specimons of elongated shape ; natural size. 



Fig. 2. Portion of the skeleton of one of them ; somewhat magnified. 



Fig. 3. A specimen of massive shape ; natural size. 



Fio-. 4. A horizontal section through the skeleton of one of its outorowths ; natural size. 



Fio". 5. Portion of this latter section ; x 14. 



Fio-. G. Some of the finest skeletal fibres ; x 100. 



