Plate 2 



Page 

 Figs. 1-9. Telephus mobergi Hadding 14 



1. A small cranidium, X 4. 



2. Dorsal view of another cranidium, X 1. 



3-6. Anterior, dorsal and side views of same, X 3. 



6. Dorsal view of a large cranidium, X 3. 



7, 8. Free cheeks with broken eyes, X 3 and X 5. 



9. Half of a thoracic segment, X 3. 



Copies of original figures in Hadding's i)aper. Basal beds 

 of the Ogygiocaris shale, Jamtland, Sweden. 

 10-12. Telephus wegelini Angelin 13 



10. Copy of Angelin's original figure of the cranidium of 

 this species. The middle spine shown in front doubtless is 

 a misapprehension. 



11. 12. Copies of Hadding's figures of two cranidia, X 3. 

 Black Trinucleus shale, Dalarne, Sweden. 



13. Telephus granulatus Angelin 11 



Copy of Angelin's figure of the type of this species. 



14. Telephus ? salteri Reed _ 20 



Copy of Reed's dorsal view of the type of this strange 

 species. As given by Reed, the greatest width of this 

 cranidium is 5.4 mm. 

 Balclatchie group, Balclatchie, Girvan District, Scotland. 



15-17. Telephus linnarssoni, new species 15 



Dorsal, side and front views, X 3, of the holotype of this 



species; after Warburg. 

 Leptaena limestone, Boda, Dalarne, Sweden. 



18, 19. Telephus hihernicus Reed 17 



Copies of figures of two cranidia of this species, X 4, after 

 Reed. The lower figure suggests shortening by com- 

 pression. 

 Tourmakeady Beds, County Mayo, Ireland. 



20, 21. Telephus bicuspis Angelin 12 



Copies of Angelin's original figures of this species. (See 

 also pi. 1, figs. 11-18). 



22-27. Telephus americanus Billings 21 



22, 23. Dorsal views, X 2 and X 4, of the selected holo- 

 type of this species. The figures given by Hadding were 

 made from a plaster cast of this specimen. It seems 

 also to be the one from which Billings' illustration was 

 prepared. 

 24, 25. Two other cranidia, the second not completely 

 uncovered, X 2, that agree very closely with the holo- 

 type. 



26. A fourth cranidium, X 2, that difi"ers enough in the 

 shape of the glabella to suggest a distinguishable species 

 or variety. 



27. Probably another cranidium of the preceding variety, 

 X 2. Probably Upper Chazyan (Div. N and V), 



Newfoundland. 



91 



