PLATE V. 



Pig. Paue. 



1. Llchtis (Ainp/ii/lclids) (tnljuilbuicnsis, sp. iiov. Imperfect and slightly 



distorted crtinidiuin. x o. Balclatchie Group, Ardmillaii . 29 



\((. Ditto. Outline of .side view, sliowino- ])rojection of median lo])e. x o 29 



2. Llc/r((s (^Aiiii)Jiilirln(s) /iihr)-)iinis,Voi-t\ock. Pygidium. x 1^. Balclatchie 



Group, Ardmillan . . . . .30 



3. Acldaspis asfeividea, sp. nov. Cranidium. x 3. Starfish Bed, Thraive 



Glen . . . . . . .31 



4. Ditto. Complete individual. x 4. Same horizon and locality . 31 



5. Ditto. Front view of enrolled individual, showing stalked eyes, x 3. 



Same horizon and locality . .. . . .31 



0. Ditto. Impression of imperfect pygidium and two thoracic pleurae. 



X 3. Same horizon and locality . . . .31 



7. Ditto, Restoration of head-shield, one thoracic segment and pygidium 31 



8. Acldaspis giroaueasis, sp. nov. Internal cast of complete individual. 



X 3. Starfish Bed, Thraive Glen . . . .33 



9. Ditto. Impression of same specimen, x 3 . . .33 

 10. Ditto. Restoration of head-shield, one thoracic segment and pygidium 33 



