Rodents, [13]

Rostrum, [40]

Rothschild, Mr Charles, [70], [101]

Salivary glands, [58], [92]

Samuel, Book of, [85]

Sand-martin, [10], [11]

San Francisco, plague in, [94]

Sarcopsyllidæ, [17], [74], [109]

Seals, [14]

Segmented structure, [22]