CONTRIBUTIONS FROM THE DIVISION OF ANIMAL BREEDING AND PATHOLOGY. 



SEniES Begih^sxsq 1909. 



1. Com:, Leon J. — The orow a menace to poiiltry raising. R, I. Agr, Expi. Sla. Bpt.^ 1909, 



pp. 312-316. Reprinted, 1909. 



2. Miij:.er, Abthtjk C. — Mating experiments with beea. R. I. Apr. Ezpt. Sta. Rpt., 1909, 



pp. 306-311. Reprinted, 1909. 



3. Cole, Leon J. — Methods of keeping pedigree records in use at the R. I. Agricultural Experi- 



ment Station. R. I. Agr. Expt. Sta. Rpt., 1909, pp. 317-324. Reprinted, 1909. 



i. Hadlet, Phiup B. — Studies in avian coccidiosis: I. Wiiite diarrhea in chicks; II Roup in 

 fowls. Centbl. f. Bakt. [etc.], Abt. 1, Orig., 1909, 50 <3>, 348-353. 



5. Hadlet, Philip B. — Note on the behavior of the domestic fowl, Amer. Nat., 1909, 43. 



pp. 6G9-676. 



6. Hadlet, Philip B. — Notes on the parasitism of Ct/iodiles nudu$ and Haemophysalu chordeilis. 



Science, N. S., 1909, 30. p. 774. 



7. Hadlet, Philip B. — Regarding the value of the van Gieson and the Romanowsky malarial 



stains for the detection of coccidia. Centbl. /. Baki. [etc.], Abt. 1, Grig., 1909, 52 (1), pp. 

 147-150. 



8. Cole, Leon J. and Hadlet, Philip B. — Ropy millr in Rhode Island. R. I. Agr. Expt. Sta. 



Bui, 13G, pp. 129-152, June, 1909. 



9. Cole, Leon J. and Hadlet, Philip B., with the assistance of Wm. F. Kirkpatrick. — Black- 



head in turkeys. R. I. Agr. Expt. Sta. Bid. 141, pp. 137-271, June, 1910. 



10. Hadlet, Philip B. — Studies in avian coccidiosis: III. Coccidiosis in the Engliiih sparrow and 



other wild birds. Cenibl. f. Bakt. [etc.], Abt. 1, Grig., 1909, 56, 522-3. 



11. Hadlet, Philip B., assisted by Amison, Elizabeth E. — Further studies on blackhead in 



turkeys. Centbl. /. Bakt. [etc.], Abt. 1, Grig., 1910, 58, 33-41. 



12. Hadlet, Philip B.— Fowl cholera and methods of combatting it. R, J. Agr. Expt. Sta. Bui. 



144, pp. 309-337, November, 1910. 



13. H.\DLBT, Philip B. — Eimeria avium: A morphological study. Archiv. /. Prolistenk, 1911, 



22, 7-50. 



14. Hadlet, Philip B., and Amison, Elizabeth E. — A biological study of eleven pathogenic 



organisms from cholera-like diseases in poultry. R. I. Agr. Expt. Sta. Bui. 146, pp. 43-102. 

 June, 1911. 



15. Hadlby, Philip B.— Studies on fowl cholera: I. A biological study of ten strains of the fowl 



cholera organism. Centbl. f. Bakt. [etc.], Abt. 1, Grig., 1911, 61, 323-335. 



16. Hadlet, Philip B. — Studies on fowl cholera-. II. The r61e of an homologous culture of slight 



virulence in the production of active immunity in rabbits. R. I. Agr. Expt. Sla. Bui. 

 160, pp. 81-171, March. 1912. 



17. Hadlet, Philip B. — Studies on fowl cholera: II. Active immunity in rabbits. Cenibl. f. 



Bakt. [etc.], Abt. 1, Grig., 1913, 69, (4), 271-311. 



18. Hadlet Philip B. — ^The presence of the barred plumage-pattern in the White Leghorn 



breed cf fowls. American Naturalist, 1913, 47, pp. 418-428; with 6 figures in text. 



19. Hadlet, Philip B., with the assistance of Dobotht W. Caldwell and C. H. MAaooN 



— Studies on inheritance in poultry: I. The constitution of tiie White Leghorn breed 

 R. I. Agr. Expt. Sta. Bui., 155, pp. 151-216, Pis. I-III, June, 1913. 



