1 1. iiAjA. 457 



spots. Male : Only the middle teeth arc coniailly pointed ; snout 

 covered with small asperities above and below ; some portions of 

 the trunk with similar asperities, others naked. A patch of claw- 

 like spines on the side of the head, and another on the pectoral fin. 

 Trunk without other large spines, and only a few on the side of the 

 tail. Female : All the teeth are flat. Nearly all the upper parts of 

 the body covered with small asperities ; body above and below with 

 more or less numerous very large round osseous bucklers, each 

 with a spine in the centre ; tail armed with rows of similar spiny 

 bucklers, the median row always being distinct. 

 Coasts of Europe. 



a. Adult male : stuffed. Sweden. Presented by Hr. A. W. Malm. 



b. Young female. Germau Ocean. 



c-e. Young : skins. Holland. From Gronow's Collection. 



f-g. Adult males : skins. Firth of Forth. Purchased of Mr. Par- 



nell.^ — Trunk without bucklers. 

 h-i. Adult males : stuffed. Firth of Forth. Purchased of Mr. Par- 



nell. — A single buckler on each side of the shoulder. 

 I: Half-grown female : stuffed. Firth of Forth. Purchased of Mr. 



Parnell. — Snout and tail with bucklers ; none on the trunk. 



1. Adult female : stuffed. English coast. — Trunk and tail with 



numerous osseous bucklers. 

 m. Half-grown female : stuffed. English coast. — Trunk with a 



few, tail with numerous bucklers. 

 ?i-q. Young : stuffed. English coast. 



r. Adult male : skin. South Devon. From Mr. Yarrell's CoUeetion. 

 s-M'. Adult, half-growTi, and young females : skins. South Devon. 

 X. Half-grown male : stuffed. Plymouth. Presented by Lieut. H. 



F. Spence, E.X. — .Anterior part of the jjcctoral tin abnormally 



not attached to the head. 

 y-a. Young : stuffed. Plymouth. Presented by Lieut. H. F. 



Spence, E.N. 

 /3-y. Half- grown and young : skins. Plymouth. Purchased of 



Mr. Yarrell. 



2. Young. Devonshii-e. Presented by G. Montagu, Esq. 



e. Half-grown female : stuffed. Adriatic. Purchased of Dr. 



Heckel. — Osseous bucklers few in number, but very large, 



larger than the eye. 

 ^ >;, 0-1^. Adult and half-grown females. Golden Horn. From 



^Ir. Millingen's Collection. 

 X-^. Adult and young femjdes : stuffed. Madeii-a. Presented by 



the Eev. R. T. Lowe. — Only one small osseous buckler on each 



side of the shoulder ; so that this female does not difler from 



males of more northern seas. 

 »■. Young. Muuiitius (??). 

 I. Adult male : stuffed, 

 o--. Adult: skeletons. From the Collection of Dr. van Lidth de 



Jeude. 

 p. Jaws of several examples. 



