216 Bulletin No. 155.— 1913. 



Spillman, W. J., 1908. Spurious allelomorphism [in poultry]. Am. 

 Naturalist, 42, (50). 



Pearl, R., 1910. On the inheritance of the barred color pattern in 

 poultry. Arch. /. Entivicklungsmech., 30, p. 45-61. 



, 1912. Notes on the history of barred breeds of poultry. 



Biol Bill, 22, (5), 297-308. 



Wright, L., 1905. The new book of poultry. London (Cassell). 



VIL Description of Plates. 



PLATE I. 



Figure 1. White Leghorn cf", 193 A. 

 Figure 2. White Leghorn cf , 1 A. 



PLATE II. 



Figure 3. White Leghorn X Black Hamburg, Fi 9, 10 I. 

 Figure 4. AVhite Leghorn X Black Hamburg, Fi cT, 211 M2. 



PLATE III. 



Figure 5. White Leghorn X Black Hamburg, F2 9, 315 S. 



Figure 6. Barred F3 d', 477 V. (See text, p. I8O). 



Figure 7. Black Hamburg 9, 5 A. 



Figure 8. Barred F2 d', 325 B. (See text, p. 175). 



