On October 27, 1912, two of the rat terriers belonging to the Bureau of Health caught 192 rats in one storeroom at the Manila Railway Station, in 38 minutes. At various times they have killed from 10 to 25 rats at a single location, in connection with the cleaning and moving work done by the laborers. The dogs caught about 600 rats in all.
On March 11, 1913, 27 rats were caught by laborers at 202 Calle Concha. They were nesting in straw covers which had been removed from bottles.
On March 11, 1913, 13 rats were found beneath a pile of loose tiles at 203 C. Sardinas. The nest was made of fibres from coconut shells and straw.
On March 13, 1913, 12 rats were found among stones scattered in a shallow pile on the ground at C. Conservador (interior). Nest was made of rice chaff and small pieces of cloth.
On March 15, 1913, 9 rats were caught at 1353 C. Anloague on the ground floor beneath a pile of boards. Nest was made of coconut fibre and shavings.
On March 16, 1913, 24 rats were caught at 934 (interior) Velasquez beneath a wood pile. Nest was made of coconut-shell fibre and pieces of cloth.
On March 17, 1913, 14 rats were caught under a pile of hay and straw at 173 Velasquez. Nest was made from straw, chaff and hay.
The following articles of food were found in the above-mentioned nests: chicken bones, rice, coconut, fish and bread.
At 822 Sacristia 6 dead rats found in holes.
At 540 T. Alonso a family of 8 rats was smoked out and all were killed.
At 514 same street 6 rats were smoked out and killed.
At 538, interior, same street, 4 rats were smoked out and killed.
At 546 same street 4 rats were smoked out and killed.
At 715 San Bernardo dead rat found in a hole. Nest made of banana leaves and rags.
At 627, interior, Zacateros, 9 rats were smoked out and killed.
At 669 Benavides 6 rats were smoked out of four runs and were caught.
At 631 Zacateros 2 rats were smoked out and killed.
At 417, interior, Misericordia, 4 rats were secured in two holes under a tile floor. Many rats were caught at this number (interior) in traps.
At 221 Espelita 7 rats were found in a nest made of palm leaves and excelsior; location of run way and nest beneath tile floor.
At 124 Tetuan, in a nest of straw and lint, 5 rats were caught by hand, alive.