No. 19. Tests of the Efficiency of Antirinderpest Serum. (English.) (110 pp., 187 Charts and Diagrams.)
No. 20. Notes on the Muscular Changes Brought about by Intermuscular Injection of Calves with the Virus of Contagious Pleuropneumonia (English.) (18 pp., 4 ill.)
No. 21. A Study of the Normal Blood of Carabao. (English) (12 pp.)
No. 24. The Role of Stomoxys calcitrans in the Transmission of Trypanosoma evansi. (English.) (51 pp., 5. ill.)
No. 25. The Philippine Coconut Industry. (English.) (67 pp., 21 ill.)
No. 26. The Kapok Industry. (English.) (41 pp., 11 ill.)
No. 27. Citriculture in the Philippines. (English.) (60 pp., 43 ill.)
No. 28. The Mechanical Transmission of Surra by Tabanus striatus. (11 pp.)