X MAINE AGRICUIvTURAI, EXPERIMEJNT STATION. I909. 



No. 10. Studies on the Physiology of Reproduction in the 

 Domestic Fowl. II. Data on the Inheritance of Fecundity 

 Obtained from the Records of Egg Production of the Daughters 

 of "200-egg" Hens. By R. Pearl and F. M. Surface. Maine 

 Agr. Expt. Station, Bulletin No. 166, pp.. 48-84. 1909. 



No. II. Selection Index Numbers and their Use in Breeding. 

 By R. Pearl and F. M. Surface. Amer. Nat. Vol. XLIII, pp. 

 385-400. 1909. 



No. 12. Is there a Cumulative Effect of Selection? Data 

 from the Study of Fecundity in the Domestic Fowl. By R. 

 Pearl and F. M. Surface. Zeitschr. f. Abst.-u. Vererb.-Lehre. 

 (In press). 



No'. 13. Studies on the Physiology of Reproduction in the 

 Domestic Fowl. III. A Case of Incomplete Hermaphroditism. 

 By R. Pearl and M. R. Curtis. Biol. Bulletin, Vol. XVII, pp. 

 271-286. PI. I & II, 1909. 



No. 14. Studies on the Physiology of Reproduction in the 

 Domestic Fowl. IV. Data on Certain Factors Influencing the 

 Fertility and Hatching of Eggs. By R. Pearl and F. M. Sur- 

 face, Maine Agr. Expt. Station, Bulletin 168, pp. 105-164. 

 1909. 



No. 15. A Triple Yolked Egg. By R. Pearl. Zool. Anz. 

 (In press). 



ENTOMOI.OGY PUBLICATIONS, I909. 



No. 33. Homologies of the Wing Veins of the Aphididas, 

 Psyllidse, Aleurodidse, and Coccidae. Annals of the Ento- 

 mological Society of America. Vol. II. No. 2. pp. 101-129. 

 1909. 



No. 34. Pemphigus venafuscus n. sp. Entomol. News. p. 

 319. 1909. 



No. 35. The Desmodium Aphid, MicroparsMS variabilis n. 

 sp. Entomol. News. p. 337. 1909. 



No. 36. Downy Psyllid of Alder, Psylla Uoccosa n. sp. 

 Canadian Entomol. p. 301. 1909. 



No. ^y. The Pine-leaf Chermes. The Green-winged 

 Chermes. Maine Agr. Expt. Sta. Bulletin 171. 1909. 



No. 38. The Fungus Gnats of North America. Me. Agr. 

 Expt. Station BuUetin 172. 



No. 39. Chermes of Maine Conifers. Me. Agr. Expt. Sta. 

 Bulletin 173. 



