PLATE VI. 



Fig. Page. 



Remopleurides correctus, sp. no v. 37. 



1. Head-shield, showing free cheeks and ornamentation, x 5. Balclatchie. Mrs. Gray's 



Collection. (Figured by Nicholson and Etheridge, ' Mon. Silur. Foss. Girvan,' pi. x, 

 fig. 16, as B. barrandei.) 



2. Ditto, without free cheeks, x 4. Same locality and collection. 



3. Ditto. X 5. Same locality and collection. 



Remopleurides correctus, var. 



4. Head-shield, middle portion, x 5. Dow Hill. Mrs. Gray's Collection. 



5. Ditto, side view, showing tongue bent down, x 4. Same locality and collection. 



Remopleurides dorsospinifer, Portlock. 



6. Portion of thorax, showing dorsal spine on eighth ring. X 3. Dow Hill. Mrs. Gray'i 

 Collection. 



Remopleurides longicostatus, Portlock. 39. 



7. Head-shield, middle portion, x 2. Dow Hill. Mrs. Gray's Collection. 



Remopleurides salteri, Reed, var. girvanensis, nov. 39. 



8. Nearly complete individual. X 2\. Dow Hill. Mrs. Gray's Collection. 



9. Portion of head-shield (showing two pairs of faint glabellar furrows) with part of thorax 



attached, x 2\. Same locality and collection. 

 9a. Ditto, side view, x 2\. 



10. Head-shield and portion of thorax, showing impression of thoracic pleurae, x 2-i. Same 



locality and collection. 



11. Nearly complete individual, with pygidium attached, x 2\. Same locality and collection. 



12. Pygidium, with two thoracic segments attached, x 4. Same locality and collection. 



13. Pygidium, with two thoracic segments attached, x 4. Ardmillan. Mrs. Gray's Collection. 



14. Pygidium, with portion of thorax attached, x 4. Same locality and collection. 



15. Head-shield, middle portion, showing glabellar furrows. X 3. Dow Hill. Mrs. Gray's 



Collection. 



Remopleurides cf. nanus (Leuchtenberg). 41. 



16. Cast of glabella, showing three pairs of lateral furrows, x 2-}. Craighead. Mrs. Gray's 



Collection. 



17. Glabella with shell preserved, showing the furrows faintly and punctation of surface. 



x 2. 1 , . Same locality and collection. 



