PLATE III. 



Fig. Page. 



1. Asapli IIS (/I'd i/x, ti\). uov. Imperfect niiddle-sliield. x 1^. Balclatcliie 



Group, Balclatchie . . . . .16 



2. Ditto. Middle-shield. x l^. Same horizon and locality . . 16 



3. Ditto. Pji^idinm. x 1^. Same horizon and locality . . 16 



4. Ditto. Pygidium. x It^. Same horizon and locality . . 16 



5. Ditto. Thoracic segment, x 1^. Same horizon and locality . 16 



6. Ditto. Portion of pleura showing ornamentation, x 2^. Same horizon 



and locality . . . . . .10 



7. Sti/<jiin(. laflfrons, Portlock. Enrolled specimen, showing hypostonie 



and epistome in position on lower side of head-shield, x 2^ 

 Starfish Bed, Thraive Glen 



8. (~'!/^'loi>i/(je hiinut.sfi, sp. nov. x 3. Whitehouse Group, Shalloch j\lill 



9. Ci/clopijye mibarmata, sp. nov. Complete individual. x 2^. Wliite- 



house Group, Whitehouse Bay 



10. Ditto. Pygidium. x 3. Same horizon and locality 



11. Ditto. E})istome and conjoint eyes on lower side of head-shield, x 3. 



Same horizon and locality 



12. Ditto. Head and ])art of thorax, showing ornamentation on sht'll. 



X 3. Same horizon and locality 



18 

 19 



20 

 20 



20 

 20 



