PISCES. 47 



CORAX (continued) — 



planus, Agassiz. v. Corax affinis. 



prist odontus, L. Agassiz, Poiss. Foss., vol. iii (1843), p. 224, 

 pi. xxvi, f. 9-13 (lettered Galeus prist odotit us) ; A. S. Wood- 

 ward, Proc. Geol. Assoc, vol. x (1888), p. 293, and Cat. Foss. 

 Fishes B. M., pt. i, 1889, p. 423. 



? Cora.v appcndiculaius, L. Agassiz (pars), Poiss. Foss., vol. iii 

 (1843), p. 227, pi. xxvi a, f. 16-20. 



LOC. U. Chalk ; Norfolk. [Teeth; Brit. Mus.] T. 



COSMACANTHUS, L. Agassiz, Poiss. Foss. V. G. R. (1844), 

 p. 120. 

 Geisacanthus, O. St. John and A. H. Worthen, Pal. Illinois, 

 vol. vi, 1875, P- 44°-* 



carbonarius, F. M'Coy, Ann. Mag. Nat. Hist. [2] vol. ii, 1848, 

 p. 1 19 ; J. Morris, Cat. Brit. Foss., 1854, p. 323 ; J. W. Davis, 

 Trans. Roy. Dublin Soc. [2] vol. i (1883), p. 357. 

 LOC. L. Carb. Limest. ; Armagh. [Spines ; olim Capt. Jones 

 Coll.] 



carinatus, J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i (1883), 

 p. 356, pi. xlviii, f. 4. 

 LOC. L. Carb. Limest. ; Armagh. [Spine ; Brit. Mus.] 



malcolmsoni, L. Agassiz, Poiss. Foss. V. G. R. (1844), pp. in, 

 121, pi. xxxiii, f. 28 ; J. Morris, Cat. Brit. Foss., 1854, p. 323. 

 [Fragment of Placoderm armour according to C. H. Pander, 

 Placoderm. devon. Syst., 1857, p. 18.] 

 LOC. U. Old Red Sandst. ; Scat Craig, Elgin. [? Spine or frag- 

 ment of dermal plate ; olim Malcolmson Coll.] T. 



marg"inalis, J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i 

 (1883), p. 355, pi. xlviii, f. 3. 

 LOC. L. Carb. Limest. ; Armagh. [Spine ; Brit. Mus.] 



priscus (M'Coy), J. W. Davis, Trans. Roy. Dublin Soc. [2] vol. i 



(1883), p. 358, pi. xlviii, f. 1, 2. 

 Leptacanthus priscus, L. Agassiz, Poiss. Foss., vol. iii (1843), 



p. 176 (name only) ; J. Morris, Cat. Brit. Foss., 1854, p. 332. 

 Nemacanthus priscus, F. M'Coy, Ann. Mag. Nat. Hist. [2] 



vol. ii, 1848, p. 120; J. Morris, Cat. Brit. Foss., 1854, p. 334. 

 LOC. L. Carb. Limest. ; Armagh. [Spine ; Geol. Soc. London.] 



COSMOLEPZS, P. M. G. Egerton, Figs, and Descript. Brit. 

 Organic Remains, dec. ix (Mem. Geol. Surv., 1858), no. 1. 



eg-ertoni, P. M. G. Egerton (ex Agassiz, MS.), ibid., no. 1, pi. i. 

 LOC. L. Lias ; Barrow -on -Soar, Leicestershire. [Fish; Brit. 

 Mus.] T. 



* If, as supposed by Pander, the type of Cosmacanthus malcolmsoni be a fragment 

 ■of Placoderm armour, this name must be adopted for the Carboniferous spines. 



