124 



VERTEBRATES: FISHES. 



Fig. 241 . — Saw-Fish. A Shark. 



Fig. 243. — Torpedo. 



Fig. 242. — Ray, or Skate. 



Fig. 244. — Lamprey. 



Fig. 245. — Hag or Myxine. 



Fig. 246. — Amphioxus. 



