DEPARTMENT OF GEOLOGY. 159 



.Pisces. — Fish-remains from the Culm Measures of North 

 and West Devon. 



A Leptolepid fish from the Lithographic Stone. 



Vomer of Pycnodus pagoda, Blake : the type specimen ; 

 from Portland Stone, Upwey, Weymouth. 



A hundred and eighty teeth and scales of fishes, chiefly 

 from the Lower Greensand of Godalming. 



One group of the teeth of Ptychodus, six Teleostean fishes 

 and fish-fragments from the English Chalk (Dibley Collection). 

 Also remains of Belonostomus and Enchelurus from the 

 English Chalk. 



Three portions of the skeleton of Gillicus and one of 

 Ichthyodectes from the Chalk of Kansas. 



Three fossil fishes {Diodon, Naseus, Eomyrus) from the 

 Eocene of Monte Bolca, and one jaw of Gyrodus umbilicus, 

 one tooth of Sargodon tomicus, and two of Gymnodus 

 diodon. 



Head of a Teleostean fish from the London Clay. 



Mollusca. — Twenty-five Mollusca from the Carboniferous 

 Limestone of Tournai (Piret Collection). 



Shells from the Culm Measures of North and East Devon 

 (Rogers Collection). 



Nine hundred and fifty Mollusca from the Trias of Bosnia 

 (Hawelka Collection). 



Three hundred English Jurassic Mollusca, chiefiy Am- 

 monites and Nautili (S. S. Buckman Collection). 



Six Ammonites, one Baculite, one Nautilus, and a large 

 Gastropod, from the English Chalk (Dibley Collection). 



Two hundred and twenty-four species and varieties of 

 terrestial, freshwater, and brackish water Gastropods and 

 Lamellibranchs from the Oligocene of the Mayence Basin. 



Mollusca from the Oligocene of Tarrega, Lerida, Spain. 



Belemnitella onucronata from the Red Crag. 



Five hundred and twenty-four boxes of Mollusca from the 

 Pliocene of St. Erth, Cornwall, including specimens described 

 and figured by Alfred Bell, Trans. Roy. Geol. Soc, Cornwall. 



Sixty boxes of Pleistocene non-marine Mollusca from the 

 Thames Valley. 



Fossil Pecten from the Tertiary of Gippsland, Victoria. 



Arthropoda. — A model of Eurypterus, made by Mrs. 

 E. D. Blackman. 



A thousand specimens of Palaeozoic Ostracoda, chiefly 

 North American (Bassler Collection). 



An electrotype reproduction of Prosopon. 



