106 JOSE F. NONIDEZ 



LITERATURE CITED 



Boring, A. M, 1912 The interstitial cells and the supposed internal secretion 



of the chicken testis. Biol. Bull., v. 23. 

 Boring, A. M., and Morgan, T. H. 1918 Lutear cells and hen-feathering. 



Journ. Gen. Physiol., v. 1. 

 Boring, A. M., and Pearl, R. 1917 Sex studies. IX. Interstitial cells in the 



reproductive organs of the chicken. Anat. Rec, v. 13. 



1918 Sex studies. XI. Hermaphrodite birds. Jour. Exp. Zool., v. 25. 

 Danchakoff, V. 1908 a Entwickelung des Blutes bei den Vogeln. Anat. 



Hefte, Bd. 37. 



1908 b Untersuchungen iiber die Entwickelung von Blut und Binde- 



gewebe bei den Vogeln. Das lockere Bindegewebe des Hiihnchens im 



fetalen Leben. Arch. mikr. Anat., Bd. 73. 



1916 a Ueber die Entwickelung des Blutes in den Blutbildungsorganen 



(Area vasculosa, Dottersackanhange, Knochenmark, Thymus, Milz 



und lockeres Bindegewebe) bei Tropidonotus natrix. Ibidem, Bd. 87. 



1916 b Origin of the blood-cells, development of the hematopoietic 



organs and regeneration of the blood-cells from the standpoint of the 



monophyletic school. Anat. Rec, v. 10. 



1916 c The wandering cells in the loose connective tissue of the bird 



and their origin. Ibidem., v. 10. 



1916 d Equivalence of different hematopoietic anlages (by method 



of stimulation of their stem cells). I. Spleen. Am. Jour. Anat., v. 20. 



1918 e Equivalence of different hematopoietic anlages, etc. II. Grafts 

 of adult spleen on the allantois and response of the allantoic tissue. 

 Ibidem., v. 24. 



Emmel, V. E. 1915 The cell-clusters in the dorsal aorta of the pig embryo. 



Anat. Rec, v. 9. 



1916 The cell-clusters in the dorsal aorta of mammalian embryos. 



Am. Jour. Anat., v. 19. 

 FiRKET, J. 1914 Recherches sur Forganogenese des glandes sexuelles chez les 



oiseaux. Arch, de Biol., T. 29. 

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of Brown Leghorns. Amer. Nat., v. 47. 



1916 A feminized cockerel. Jour. Exp. Zool., v. 20. 



1916 Further developments in ovariotomized fowl. Biol. Bull., v. 30. 



1916 Gonodectomy in relation to the secondary sex-characters of 



some domestic birds. Carnegie Inst. Wash., publ. 243. 



1919 Interstitial cells in the gonads of the domestic fowl. Anat. 

 Rec, V. 16. 



Haff, R. 1914 Bindegewebs- und Blutbildungsprozesse in der embryonalen 

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Jordan, H. E. 1916 Evidence of hemogenic capacity of endothelium. Anat. 

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Kaupp, B. F. 1918 The anatomy of the domestic fowl. Philadelphia. 



Leplat, G. 1912 Recherches sur le developpement de la structure de la mem- 

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