INVERTEBRATE ANIMALS. 33 



Section PROBOSCIDIFERA. 7rpo/3o(rx»f, a pro- 

 boscis. 



Group 94. — Family SOLARIID^ and allies. Solarium, 

 a dial. Estimated number of species : recent, 38 ; 

 British, ; fossil, 400. Silurian. 



IT Examples of Solarium = Architectonica, Torinia, 

 &c., shewing the winding whorls of Solarium, 

 the staircase Trockus. The space is chiefly 

 occupied by fossils, Pleurotomaria, Euom- 

 phalus, &c. 



Group 95.— Family TEREBEIDiE and allies, terehra, an 

 auger. The Scalidse, familiarly known as " Wentletraps," 

 seem out of place here, and well deserve to be dis- 

 tinguished as a group by themselves. S. pretiosa, in 

 really fine condition, is one of the most beautiful, as it 

 used to be one of the most costly of shells. Estimated 

 number of species : recent, 480 ; British, 50 ; fossil, 

 420. Silurian, &c. 



11 Specimens of Scalaria, Pyramidella, Eulima, 

 Stylifer, &c., including Terehra pretiosa from 

 the Dennison cabinet; Niso splendidus, pre. 

 sented by S. Smith. 

 Pusioiiella curvirostris, Marrat. 



Upper Compartment. 

 Stylifer on an Echinus, from Ceylon. 



Group 96.— Family NATICIDiE and allies. Estimated 

 number of species : recent, 240 ; British, 11 ; fossil, 

 260. Devonian. 



IT Specimens of Natica, Veliitina, Lamellaria, 

 Nnticina, Sifiarefus. 



