FISGES. 



85 



No. 317. Lepidotus minor, 

 Body asd Head, on slab. This 

 fine specimen of another homo- 

 cereal lepidoid — distinguished 

 by its small, shining scales, and 

 unusually perfect in all its parts 

 —was discovered in the Purbeck 

 Limestone (Upper Oolite) on 

 the Isle of Portland, England, 

 and is in the British Museum. 

 Size, 17x10. Price, $3.00. 



Agass. 



No. 318. CatliniS latUS, Miinst. 



Skeleton, on slab. This Fish belongs to the same family as the preceding, 

 and in general shape approaches the Salmon. It has delicate scales, and fins of 

 moderate size. It is probably only a variety of the G. furcatus, Agass. This 

 specimen is from the Lithographic limestone of Eichstadt, Bavaria, and belongs 

 to the private Geological Cabinet of Mr. Ward. Size, 8x3. Price, $1.25. 



No. 319. Aspidorhynchns speciosus, Agass. 

 Body and Head. j&uaumwwE^&BB88BB&BB8&ii^ig^BB^3^s^^^%3&Bs&&8S3^^ 



on slab. This homo- 

 cereal Ganoid is 

 characterized by a 

 long body of nearly 

 equal size through- 

 out, by a pointed head, and by the disposition of the scales in unequal rows. The 

 scales are wrinkled, and sometimes hexagonal, sometimes tetragonal. This speci- 

 men belongs to Dr. Krantz of Bonn, and is from the same locality kas the preced- 

 ing. Size, 2 ft. 2 in. x 7 in. Price, 2.75. 



No. 320. Microdon (Pycnodus) elegans, Agass 



Skeleton, on slab. This beau 

 tiful Ganoid with homocercal tail % 



and small, uniform teeth, is a true § 



I 

 Pycnodus according to Wagner. | 



The specimen is from the Litho- \ 



graphic limestone (Upper Oolite) 



of Kelheim, Bavaria, and is now | 



in the Museum of the University of | 



Munich. Size,10xl0. Price, $2.25. § 



