Rapport annuel de la Maine Agricultural Experiment Station . plus grand thanthe comb d'une poule normale Barrée de Plymouth Rock et lookedeexactement comme le peigne d'un oiseau mâle. C'était aussi vrai des watts. Les dimensions* du sabot de cet oiseau étaient les suivantes : longueur 88,4 mm. Hauteur calculée 25,1 mm. Zone 22,2 cm. Pour les femelles de Plymouth Rock adultes normales, Les valeurs moyennes de suivi pour la taille du peigne ont été trouvées : ** longueur Moyenne 50,80 ± 0,56 mm. Hauteur moyenne calculée 10.57 — -^3 i^ni- surface Moyenne 5.59 ^1= .17 cm. *Ces documents sont (i) des études sur la physiologie de la reproduction au Canada

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Annual report of the Maine Agricultural Experiment Station . larger thanthe comb of a normal Barred Plymouth Rock hen and lookedexactly like the comb of a male bird. This was also true ofthe wattles. The dimensions* of the comb of this bird were as follows: Length 88.4 mm. Calculated height 25.1 mm. Area 22.2 cm. For normal adult Barred Plymouth Rock females the follow-ing average values for comb size have been found: ** Mean length 50.80 ± .56 mm. Mean calculated height 10.57 — -^3 i^ni- Mean area 5.59 ^1= .17 cm. *These papers are (i) Studies on the Physiology of Reproduction inthe Domestic Fowl. III. A Case of Incomplete Hermaphroditism.Biol. Bulletin, Vol. XVII, pp. 271-286, igog. (By R. Pearl and MaynieR. Curtis). (2) A Triple Yolked Egg. Zool. Anzeiger, igio. (Inpress). (By R. Pearl). *Made in accordance with the methods described by R. and JM. D.Pearl in a paper Data on Variation in the Comb of the Domestic Fowl, Biometrika, Vol VI, pp. 421-423. **Pearl, R. and M. D., !oc. cit., p. 427. 120 Maine; agricultural experiment station. 1910.. Fig. 80. Outline of the lateral aspects of the comb of the BarredPlymouth Rock hen described in this paper. This outline is actual size. It is evident from these figures that the comb in this speci-men greatly exceeds in size the average for females of thevariety. In regard to behavior this bird resembled a normal hen rathermore than a cock. She was never heard to cluck, however, orto make any of the sounds which normal active hens make inthe course of the days work. This bird probably never laidan egg, though we are unfortunately not able to make an abso-lute statement on this point. The egg records of the Stationshow an egg to the credit of this bird on November 7, 1907.This was the only egg ever recorded for this bird, and it isundoubtedly an erroneous record. The condition of the sexualorgans was not such as to indicate that they had ever beenfunctional. Cockerels placed in the pen with this bird would try to fightwith h

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