EXPLANATION OF THE PLATES 



Of Vol. I. Parts 1 Si 2. 



Pl. I. Lichens from the vicinity of New-YorI<- 

 Fig. 1. Spiloma roseum. 



2. Lecanora fulva. 



3. Pyrenula enteroleuca. 



4. Verrucaria composita. 

 Pl. II. Fig. 1. Cephalopterus Vampyrus. 



2. Clupea hudsonia. 

 Pl. III. Fig. 1. Androsace carinata. 



2. Potentilla nivalis. 



3. Primula angustifolia. 



4. Trifolium nanum. 

 Pl. IV. Siren striata. 



Pl. V. Bilobites. 



Pl. VI. Teeth of the Megatherium from Georgia. 

 Fig. 1. Utricularia ceratophylla. 



2. U. macrorhiza. 



3. U. vulgaris. 



4. U. striata. 



5. U. gibba. 



G. U. fornicata. 



7. U. longirostris 



8. U. integra. 



9. T. purpurea. 



10. U. personata 



11. U. setacca. 

 Pl. VII. Phoca cristata. 

 Pl. VIII. Megatherium. 



Fig. 1. Inner view of the lower jaw. 



2. External view of do. 



3. Horizontal section of one of the teeth. 



4. Vertical section of do. 



