Robertson, Mr., on glandular-leaved peaches, i. 343.
Robinet, on the silkworm, i. 301-304, ii. [197].
Robinia, ii. [274].
Robson, Mr., deficiencies of half-bred horses, ii. [11].
Robson, Mr., on the advantage of change of soil to plants, ii. [146]-[147];
on the growth of the verbena, ii. [273];
on broccoli, ii. [310].
Rock pigeon, measurements of the, i. 134;
figured, i. 135.
Rodents, sterility of, in captivity, ii. [152].