Trans. R. S. C, 1888. 



DEVONIAN FISHES. 



Sec. IV. Plate X. 



\ '^ SOCIETY. * 



L. M LAMBE. Del 



I. — Phanf.ropi.euron curtum. — Portion of head to show circumorbitals, Sec. 



2.— Cephalaspis Campbelltonensis. -Cranial buckler of, slightly restored ; nat. size. 



3, 3a, and 3A. — Ctenacanthus latispinosus. — Fin spine of; nat. size. 



4. — HOMACANrnus gracilis. — Fin spine of; nat. size. 



