242 



Palate of Whelk and Helix, Limpet, Doris. 



Zoophytes. Sertularia, Laomeda, Notamia, Gemellaria, 

 Cellularia, Plustera, Plumularia. 



Sections of Bone and Teeth. Human bone, reptile bone ; 

 one of fish, of bird, of quadruped. 



Hairs of Animals. Elephant, Mouse, Bat. 



Spicules of a Sponge. 



Spicules of Gorgonia and Holothuria. 



Section of Echinus spine. 



Infusorial Earths, three or four specimens, especially 

 Discs from Guano and Naviculse. 



Sea-weeds, Callithamum. 



Ptilota Polysiphonia. 



