A complete copy of the Transactions, to Vol. XVI. 

 inclusive, can be had from the Assistant Secretary. Price 

 £7, 10s. 



Dr Spruce's important work, " Hepaticse of the Amazon 

 and of the Andes of Peru and Ecuador," consisting of 600 pp. 

 letterpress and 22 plates, forms Vol. XV., and may be pur- 

 chased separately. Price 21s. The work is in Latin, with a 

 few notes in English. 



