36 INVERTEBRATE ANIMALS. 



mated number of species : recent, 161 ; British, ; 

 fossil, 70. Cretaceous. 



Oliva, Harpa, Ancilla. Olwa mirahilis, Higgins 



and Marrat. 

 iy 0. Labnanensis , discovered and presented by 

 Dr. Collingwood. 



Vpiier Compart7ne7it. 



Malformations. Gaskoin collection. 



Family BUCCINID^. huccinum, a trumpet. 



Group 103.— Sub-family PURPURIN^ and allies. 2)»r- 

 pitra, purple. Estimated number of species : recent, 

 178 ; British, 1 ; fossil, 42. Tertiary. 



H Examples of Purpura, Eicinula, Concliolepas, 

 Separatista, Pinaxia, &c. 

 Upper Compartment. 



Group of many Magilus antiquiis, in coral, Capt. 

 Jinman ; also group illustrating the boring of the 

 animal into, and across, the lamellce of the coral, 

 as shewn by Mr. Charlesworth. 



Group 104. — Sub-family NASSIN^ and allies. nassa, 

 a basket. Estimated number of species : recent, 553 ; 

 British, 7 ; fossil, 150. Tertiary. 



*[ Examples of Buccinum, Nassa, Eburna, Phos, 

 &c., including a very fine series of all the 

 known species of Eburna. 



Group 105.— Family TRITONID^. Tritons. Estimated 

 number of species : recent, 165 ; British, ; fossil, 68. 

 Tertiary. 



IT Examples of Triton, Ranella, Persona, &c. 



