152 ACCOUNTS, ETC., OF THE BRITISH MUSEUM. 



A jaw of Enchodus, an upper jaw of Protosphyroena, and 

 one Leptichthys, from the Cretaceous, Logan Co., Colorado. 



B. — Invertebrata. 



(a.) Mollusca. — Seventy -five Jurassic Nautili from various 

 British localities. 



A collection of Middle Lias fossils, comprising fifteen 

 Cephalopoda, twelve Gasteropoda, and fifty-nine Lamelli- 

 branchiata from the Cleveland Ironstone, Yorkshire. 



Twenty Cephalopoda, and seven Lamellibranchiata, from 

 the Ked Chalk, Hunstanton. 



Fifteen Cephalopoda and one hundred and ten other 

 Mollusca from the Upper Cretaceous, Charente Inferieure, 

 France. 



Fifty-eight Oolitic Mollusca from Brora, and eight from 

 Bala. 



Nineteen Mollusca from the Ordovician of Ontario, 

 Canada. 



Forty specimens of Tertiary shells from Japan. 



One thousand and eleven specimens of Silurian, Carboni- 

 ferous and other Mollusca from Wales, Lancashire, and other 

 localities (part of the Morton Collection). 



(6.) Brachiopoda. — Sixty-four Brachiopods from the Ordo- 

 vician of Ontario, Canada. 



Fifteen Brachiopoda from the Upper Cretaceous Charente 

 Inferieure, France. 



Forty specimens of Brachiopoda from the Red Chalk, 

 Hunstanton. 



A specimen of Acanthothyris spinosa with the spines 

 preserved. 



Two thousand one hundred and sixty-three Silurian, 

 Carboniferous and other Brachiopoda ; part of the G. H. 

 Morton Collection from N. Wales, Lancashire, &c. &c. 



(c.) Bryozoa. — One hundred and seventy-nine specimens of 

 Bryozoa from the Oolite, Brora, Sutherlandshire. 



One hundred and fifty-one Bryozoa from the Silurian and 

 Carboniferous formations (part of the G. H. Morton 

 Collection). 



{d.) Insecta and Crustacea. — Two slabs with numerous 

 examples of Str amentum Howarthi, a Cirripede from the 

 Cretaceous, Kansas, U.S.A. 



Fourteen Trilobites from the Ordovician series of Bala. 



Seven Trilobites from the Ordovician of Ontario, Canada, 



