REPORT OF DIRECTOR AND STATE GEOLOGIST 1900 rl87 



locality record of fossils. The main record of fossiliferous locali- 

 ties of this state was communicated for publication last year. 

 The additional localities entered on our record during the season 

 of this year's work have been published as a part of the separate 

 report of this office. 



Memoir on the genera of the rugose corals. The work in pre- 

 paration of this memoir has been steadily carried forward, and 

 the descriptive matter is largely prepared in preliminary form 

 and ready for careful review. 



Publications. Besides the publications pertaining to the old 

 -department, the following has been issued during the year: 

 bulletin 34, Lower Silurian system of eastern Montgomery county, 

 by E. K. Cumings; Notes on stratigraphy of Mohawk valley OAid 

 Saratoga oounty, by C. S. Prosser. 



There is also in type' bulletin 39, containing a series of 

 paleontologic papers by the members of the staff of this depart- 

 ment. 



Work on collections. The general collection of fossils in the 

 State hall has in certain parts been reviewed and selections 

 made for a permanent reserve for exhibition purposes. This 

 work, however^ it has not been practicable to forward as rapidly 

 as could be desired on account of pressure of other duties and 

 the lack of necessary assistance. 



Collections of Lower Silurian fossils from Lake Champlain. The 

 considerable collections made during the previous season in the 

 vicinity of Valcour by van Ingen and Ruedemann have been 

 placed in the hands of Mr van Ingen for study and report and 

 are now in the custodianship of the professor of geology at 

 Columbia university. 



Paris exposition. For exhibition at the world's fair at Paris 

 the series of the official reports and contributions published! by 

 this department since 1835 on the subject of paleontology was 

 specially bound in 26 volumes, and this exhibit was awarded the 

 grand prize of the exhibition. 



Accessions. The accessions to the collections of the department 

 during the past year have been by donation, purchase, exchange 



