352 Annual Report of the Consulting Botanist for 1878. 
The superintendence of the Woburn field and feeding; ex- 
periments has occupied much of my time and attention during 
the year ; since last April, I have paid 13 visits to the experi- 
mental field and Crawley jSIill farm. 
The following- are the papers which I have contributed to the 
' Journal of the Royal Agricultural Society' for 1878. 
1. On Bats' Guano. 
2. Annual Report for 1877. 
3. Joint Report with Mr. Lawes on the field and feeding 
experiments at Woburn. 
4. The Influence of Chemical Discoveries on the Progress of 
English Agriculture. 
Analyses made for Memhers of the Boyal Agricultural Society from 
December 1877 to December 1878. 
Superphosphates, dissolved bones, and compound) -.r,. 
arti6cial manures j 
Bone-dust 41 
Guanos 75 
2S'iti ate of soda 43 
Potash-salts 4 
Sulpliate of ammonia 6 
Refuse manures 37 
Limestones, marls, and other minerals 23 
Soils 35 
Waters 52 
Oilcakes 188 
Feeding meals 15 
Vegetable productions 10 
Examinations for poison 14 
724 
XV. — Annual Report of the Consulting Botanist for 1878. 
By VV. Carkutheus, F.R.S. 
The samples of seeds which have been examined by me during 
the past year have been, on the whole, satisfactory. The^worst 
that passed through my hands were samples of permanent grass, 
several of which were extremely bad from the admixture of 
worthless and injurious weeds, and from the quantity of husks, 
fragments of straw, and other impurities. Though the reports 
on these specimens saved the members of the Society who sub- 
mitted them for examination from imposition, and led to 
arrangements with the dealers which were satisfactory to them 
individually, I failed to secure advantage to the Society at 
large, in consequence of the refusal of members to communicate 
the names of the dealers. It is to be hoped that in future the 
