Vol. II. No. 2. 



BULLETIN 



FROM THE 



LABORATORIES OF NATURAL HISTORY 



OF THE 



STATE UNIVERSITY OF JOWA. 



/. THE MYXOMTCETES OF EASTERN IOWA, 



By Thos. H. McBride. 



//. REPORT ON SOME FOSSILS COLLECTED IN THE 

 NORTHWEST TERRITOR2', CANADA, BT NATURAL- 

 ISTS FROM THE UNIVERSITY OF IOWA, 



By S. Calvin. 



///. TWO UNIQUE SPIRIFERS FROM THE DEVONIAN 

 STRATA OF IOWA, By S. Calvin. 



IV. NOTE ON EXPEDITION TO BRITISH AMERICA, 



By C. C. Nutting. 



V. PTRGULOPSIS SCALARIFORMIS, By B. Siiimek. 



VI. A GEOLOGICAL RECONNOISSANCE IN BUCHANAN 

 COUNTY, IOWA, By S. Calvin. 



VII. NOTES ON KARYOKINESIS. By L. B. Elliott. 



VIII. NOTES ON A COLLECTION OF FOSSILS FROM THE 



LOWER MAGNESIAN LIMESTONE FROM NORTH- 

 EASTERN IOWA, By S. Calvin. 



PUBLISHED 



BY AUTHORITY OF THE REGENTS. 



IOWA CITY, IOWA: 

 June, 1892. 



