206 Proceedings of Royal Society of Edinburgh, [march 5, 
Off Ardrossan, . in 10 to 15 faths., in April. 
Off' Whiting Bay, . 20 „ ,, 
In Loch Leven, . . 25 „ on August 27. 
Raja clavata. Thornhack. 
One adult female was obtained, in 26 fathoms, in Kilbrennan 
Sound. December. 
An immature male, from 24 fathoms, between Sanda Island and 
Ailsa Craig. March 6. The disk of this specimen is 17 inches 
wide, yet the structure of the teeth is still the same as in the female 
sex. Contents of the stomach : small fish and crustaceans. 
Raja fullonica. Shagreen Kay. 
A female example, 24 inches across the disk, from Loch Ky^®> off 
Skate Island, was obtained in 100 fathoms, on 4th November. 
An adult male, 19 inches across the disk, was caught in Kil- 
brennan Sound, in 20 fathoms. March. 
Also Collett found this species to be an inhabitant of deep water 
on the coast of Norway, viz., in from 80 to 250 fathoms. 
Raja intermedia (Parn.). 
A female, with a disk 19 inches wide, was obtained between 
Sanda Island and Ailsa Craig, 24 fathoms. March 6. 
Raja circularis. Sandy Ray. 
An adult male, 14 inches across the disk, and a very young 
female, 3f inches broad, were obtained in the Sound of Sanda, at a 
depth of 20 fathoms, on March 10. The former seemed to have 
been engaged in the work of propagation when caught ; its stomach 
contained prawns and sand-eels. The young female specimen is 
extremely similar to the adult male, but is armed on the tail with 
a median line of spines (beside the lateral ones), which is absent in 
the male. 
Another adult male from the Sound of Sanda, 49 fathoms, caught 
on March 17, had spawned. Contents of stomach, sand-eels. 
Scyllium canicula. Lesser Spotted Dog-Pish. 
A very young specimen, 8 inches long, was obtained in the Sound 
of Sanda, at a depth of 20 fathoms, on March 10. 
