DATES OF PUBLICATION. xiii 



Vol.XIV(1862),No.l,2 in one (pages L-96). Reeeipl acknowledged by the 



Smithsonian Institution, April 25, L862. 

 3,4 in one (pages 97-168). Ditto, May 27, 1862. 



5 (pages 169-272). 



6 (pages 273-320). Receipt acknowledged by the Smith- 



sonian Institution, August 1, 1862. 

 7-9 in one (pages 321-404). Presented to Academy meet- 

 ing, October 28, 1862. 

 9* (pages 405-480). Receipt acknowledged by Smithson- 

 ian Institution, January 12, 1863. 

 10-12 in one (pages 481 et seq.). Ditto, February 26, 1863. 



Vol. XV (1863), No. 1 (pages 1-40). Receipt acknowledged by the Smithsonian 



Institution, April 3, 1863. 



2 (pages 41-96). Received by Entomological Society of 



Philadelphia prior to June 8, 1863. 



3 (pages 97-152). Receipt acknowledged by the Smith- 



sonian Institution, July 13, 1863. 



4 (pages 153-200). Ditto, October 27, 1863. 



5 (pages 201-272). " November 28, 1863. 



6 (pages 273-328). " January 27, 1864. 



7 ( pages 329 e1 seq.). 



Vol. XVI (1864), No. 1 (pages 1-48). Receipt acknowledged by the Smith- 

 sonian Institution, April 23, 1864. 



2 (pages 49-144). Receipt acknowledged by the Boston 



Society of Natural History, June 30, 1864. 



3 (pages 145-176). Ditto, September 30, 1864. 



4 (pages 177-256). " December 12, 1864. 



5 (pages 257 et seq.). Received by the Entomological 



Society of Philadelphia prior to February 13, 1865. 



Vol.XVII(1865),No.l (pages 1-48). 



2 (pages 49-108). Receipt acknowledged by Albany In- 



stitute, August 7, 1865. 



3 (pages 109-172). Ditto, October 16, 1865. 



4 (pages 173-236). " December 26, 1865. 



5 (pages 237 et seq.). 



Vol.XVIII(1866),No.l (pages 1-96). Receipt acknowledged by the American. 



Antiquarian Society, June 11, 1866. 



2 (pages 97-224). 



3 (pages 225-279). 



4 (pages 280-336). Receipt acknowledged by the Smith- 



sonian Institution, February 13, 1867. 



5 (pages 337 et seq.). Ditto, July 20, 1867. 



Vol. XIX (1867), No. 1 (pages 1-32). 



2 (pages 33-82). Receipt acknowledged by the Smith- 



sonian Institution, July 20, 1867. 



3 (pages 83-112). Ditto, November 1, 1867. 



4 (pages 113 et seq.). Received by the Entomological 



Society of Philadelphia prior to May 11, 1868. 



Vol. XX (1868), No. 1 (pages 1-88). Received by the Entomological Society 



of Philadelphia prior to June 8, 1868. 



2 (Pages 89-152). Ditto, November 9, 1868. 



3 (pages 153-200). " December 2, 1868. 



4 (pages 201-296). Receipt acknowledged by the Smith 



sonian Institution, February 6, 1869. 



5 (pages 297-382). 



6 (pages 383 et seq.). 



* Error in numbering. 



