ACIDASPIS DEFLEXA. 113 



Collection . — Mrs. Gray. 



Horizon and Locality. — Mulloch Hill Group (L. Llandovery) : (typ.) Mullocli 

 Hill ; Newlands. Saugh Hill Group (M. Llandovery) : Woodland Point. 



3. Acidaspis coronata, Salter, 1853. Plate XV, fig. 14. 



? 1839. Paradoxldes quadrlmucronatus, Murchison, Silur. Syst., p. 658, pi. xiv, fig. 10. 



? 1845. Odontopleura mutica, Emmrich, Neues Jahrb., p. 44. 



? 1846. Odontopleura mutica, Beyrich, Untersuch. iib. Trilob., p. 19, pi. iii, fig. 5. 



1848. Acidaspis brlghtli, Salter (e. p.), Mem. G-eol. Surv., vol. ii, pt. i, p. 348, pi. ix, figs. 8, 9 (non 



figs. 6, 7). 



1853. Acidaspis coronatus, Salter, Mem. G-eol. Surv., dec. vii, pi. vi, p. 7. 



1854. Acidaspis coronatus, Morris, Cat. Brit. Foss., 2nd ed., p. 99. 



— Acidaspis marklini, Angelin, Pal. Scand., p. 38, pi. xxii, fig. 13. 



— Acidaspis multlcuspis, Angelin, ibid., p. 37, pi. xxii, fig. 12. 



1857. Acidaspis coronata, Salter, Quart. Journ. Geol. Soc, vol. xiii, p. 210. 



1877. Acidaspis coronata, Woodward, Cat. Brit. Foss. Crust., p. 18. 



1885. Acidaspis markllnl, Lindstrom, Forteckn. Gotl. Silur. Crust., Ofv. k. vet. Akad. Forhandl., 



No. 6, p. 54, pi. xiii, figs. 8, 15 ; pi. xvi, fig. 10. 

 1888. Acidaspis mutica, Wigand, Zeitschr. deutsch. geol. Gesell., vol. xl, p. 93, pi. x, figs. 19, 20. 

 ? 1879. Acidaspis ? sp. hid., Nicholson and Etheridge, Mon. Silur. Foss. Girvan, fasc. ii, p. 206, 



pi. xiv, fig. 14. 

 1896. Acidaspis coronata, Lake, Quart. Journ. Geol. Soc, vol. Iii, p. 237, pi. vii, fig. 6. 

 1899. Acidaspis brighti, Mem. Geol. Surv., Silur. Eocks Brit,, vol. i, Scotland, pp. 543, 688. 



Remarks. — This species is well represented by good pygidia from Woodland 

 Point in Mrs. Gray's collection, and there is one specimen from Mulloch Hill. The 

 identity of this species with A. marJclini, Lindstrom, from the Silurian of Gotland 

 has been noticed by Mr. Lake. The poor specimen of an Acidaspis from Bargany 

 Pond figured by Nicholson and Etheridge (op. cit.) as " Acidaspis ? sp. ind.," 

 probably belongs to this species. 



Collections. — Mrs. Gray; Edinburgh Museum (f. M.). 



Horizons and Localities. — Mulloch Hill Group (L. Llandovery) : Mulloch Hill. 

 Saugh Hill Group (M. Llandovery) : Woodland Point. Camregan Group (U. 

 Llandovery) : Bargany Pond Burn. 



4 Acidaspis deflexa, Lake, 1896. Plate XV, fig. 15. 



1879. Acidaspis, sp., Nicholson and Etheridge, Mon. Silur. Foss. Girvan, fasc. ii, p. 129, woodcut, 



fig. 7 c. 

 1896. Acidaspis deflexa, Lake, Quart. Journ. Geol. Soc, vol. Iii, p. 239, pi. vii, fig. 7. 



15 



