of Madagascar, [417]

of the Seychelles, [430]

of Mauritius and Round Island, [438]

of New Zealand, [483]

Rhodolæna altivola in Madagascar, [440]

Rhus toxicodendron in Bermuda, [272]

Ridgway, Mr., on birds of Galapagos, [281]

River-channels, buried, [336]

Roches moutonnées, [108]

Rodents in Madagascar, [417]