Jan., 1918. Annual Report of the Director. 153 



The influence of the N. W. Harris Pubhc School Extension of Field 

 Museum is widening by continually increasing the niunber of schools 

 in which the cabinets are placed. In spite of the best efforts of the 

 Extension, however, it is impossible to meet the demands that are 

 made for this educational service. 



MAINTENANCE. — The Budgct authorized by the Board of Trustees 

 provided the sum of $156,911.00 for the maintenance of the Museimi 

 for the year ending December 31, 191 7. The amount expended was 

 $137,486.00, showing a balance in excess of the estimated expenses of 

 $19,425.00. In addition to this amount $4,626.00 was expended by 

 authority of the Board of Trustees for collections, special building 

 repairs, etc., bringing the total expenditures for the year to $142,112.00. 

 PUBLICATIONS. — Diuing the year six Publications were issued, com- 

 prising parts of four volumes, details of which follow: 

 Pub. 191. — Zoological Series, Vol. X, No. 15. The Fishes of the Fresh 



Waters of Panama. By S. E. Meek and S. F. Hildebrand. 



December 28, 1916. 159 pages, 16 halftones. Edition 1500. 

 Pub. 192. — Anthropological Series, Vol. XV, No. 2. The Beginnings 



of Porcelain in China. By B. Laufer. 1917. 106 pages, 



7 halftones. Edition 1500. 

 Pub. 193. — Zoological Series, Vol. XII, No. i. Notes on Httle known 



Species of South American Birds with Descriptions of 



New Sub-Species. By C.B.Cory. January, 191 7. 7 pages. 



Edition 1500. 

 Pub. 194.— Report Series, Vol. V, No. 2. Annual Report of the Director 



for the year 1916. 71 pages, 11 halftones. Edition 2500. 

 Pub. 195.— Anthropological Series, Vol. VI, No. 4. Three Etruscan 



Painted Sarcophagi. By F. B. Tarbell. 9 pages, 9 halftones. 



Edition 1,000. 

 Pub. 196.— Ornithological Series. Vol. 1, No. 11. Contents and In- 

 dex to Vol. I. 16 pages. 1896-1916. Edition 1,000. 

 It will be noted that number 11 concludes Volume I of the Ornitho- 

 logical Series. It also closes this Series. All future Ornithological Pub- 

 lications will appear in the Zoological Series. 



These publications were distributed to individuals and institutions 

 on the domestic mailing list and to those of foreign cotmtries where 

 exchange service is not suspended by the Bm-eau of International 

 Exchanges. The nature of some of the Publications, as well as the 

 increasing cost of all of them necessitated the re-classification of the 

 mailing Hst. This has caused an elimination of some exchanges from 

 which the Museum does not receive returns, and in sending to others 

 previously receiving all the Publications, only such as are of special 



