No. 17] FOURTH BIENNIAL REPORT 9 



BULLETINS ALREADY PUBLISHED 



The three previous biennial reports of the Commissioners are 

 numbered respectively in the series as I, 9, and 12. 



Four bulletins on scientific subjects were published between 

 the dates of publication of the first and the second biennial re- 

 port. These were the following : — 



No. 2. A Preliminary Report on the Protozoa of the Fresh 

 Waters of Connecticut: by Herbert William Conn. 



No. 3. A Preliminary Report on the Hymeniales of Con- 

 necticut: by Edward Albert White. 



No. 4. The Clays and Clay Industries of Connecticut: by 

 Gerald Francis Loughlin. 



No. 5. The Ustilagineae, or Smuts, of Connecticut: by 

 George Perkins Clinton. 



Five bulletins were published between the dates of publication 

 of the second and the third biennial report. These were the 

 following : — 



No. 6. Manual of the Geology of Connecticut: by William 

 North Rice and Herbert Ernest Gregory. 



No. 7. Preliminary Geological Map of Connecticut: by 

 Herbert Ernest Gregory, and Henry Hollister Robinson. 



No. 8. Bibliography of Connecticut Geology: by Herbert 

 Ernest Gregory. 



No. 10. A Preliminary Report on the Algae of the Fresh 

 Waters of Connecticut: by Herbert William Conn and Lucia 

 Washburn (Hazen) Webster. 



No. 11. The Bryophytes of Connecticut: by Alexander Wil- 

 liam Evans and George Elwood Nichols. 



Two bulletins have been published since the date of pub- 

 lication of the third biennial report. These are the following : — 



No. 14. Catalogue of the Flowering Plants and Ferns of 

 Connecticut, growing without cultivation: by Charles Burr 

 Graves, Edwin Hubert Eames, Charles Humphrey Bissell, 

 Luman Andrews, Edgar Burton Harger, and Charles Alfred 

 Weatherby, Committee of the Connecticut Botanical Societv. 



No. 15. Second Report on the Hymeniales of Connecticut: 

 by Edward Albert White, Professor of Floriculture in Massa- 

 chusetts Agricultural College. 



The Catalogue of the Flowering Plants and Ferns is, partic- 

 ularly from an educational point of view, one of the most 



