\, -'S 



FIGURES AND DESCRIPTIONS OF CANADIAN 

 ORGANIC REMAINS. 



DECADE I.— FOSSILS from the base of the Trenton Group. By J. W. Salter, 

 Palasontologist of the Geological Survey of the United Kingdom. 



« II.— GRAPTOLITIDE^ from the Lower Silurian. By Professor James 

 Hall, Palaeontologist of the State of New York. 



" III.— CYSTIDEiE and ASTERIDEJE, By E. Billings. Genus CYCLO- 

 CYSTOIDES. By E. Billings and J. W. Salter. Palaeozoic 

 Bivalve ENTOMOSTRACA. By T. R. Jones, Esq., F.G.S. 



" IV.— CRINOIDE^ from the Lower Silurian. By E. Billings. 



Decades I., III. and IV. are published. Decade II. will be published in about six 

 months. 



FOR SALE BY 

 B. DAWSON & SON, 22 Great St. James Street, Montreal ; A. H. ARMOUR & Co., 

 Toronto; JOHN WILEY, New York ; HECTOR BOSSANGE & SON, Paris, France; 

 SAMPSON LOW, SON & Co., London, England. 



Montreal, 1st June, 1859. 



