112 



The following specimens of the Calcareous Concretions from the Ear-sac of Fishes 

 were prepared and presented by Sir Anthony Carlisle, F.R.S. 



565. The larger Otolites of the Ling (Lota molvd). 



566. The larger Otolite of the Herring (Clupea Harengw). 



567. The larger Otolite of the Dace (Leudscus vulgaris). 



568. The larger Otolite of the Gudgeon (Gobiojluviatilis). 



569. The larger Otolite of the Sole (Pleuronectes Solea). 



570. The larger Otolite of the Plaice (Pleuronectes Platessa). 



571. The larger Otolite of the Cod (Morrhua vulgaris). 



572. The larger Otolite of the Haddock (Morrhua ceykfinus). 



573. The larger Otolite of the Sword-fish (Xiphias Gladius). 



574. The larger Otolite of the Sturgeon (Acipenser Sturio). 



575. The larger Otolite and the two smaller Otolites of some very large Osseous 



Fish. Presented by Charles Darwin, Esq., F.R.S. 



