128 FRANKLIN P. REAGAN 



(20) Huntington, G. S. 1911 The anatomy and development of the systemic 



lymphatic vessels in the domestic cat. Memoirs of the Wistar Insti- 

 tute of Anatomy and Biology, No. 1. 



(21) Huntington, G. S., and McClure, C. F. W. 1910 The anatomy and 



development of the jugular lymph sacs in the domestic cat. Am. 

 Jour. Anat., vol. 10. 



(22) HoYER, H. 1865 Ein Bietrag zur Histologic bindgewebiger Gebilde. 



Arch, filr Anat. und Phys. und Wiss. Medicin. 



(23) Jordan, H. E. 1916 The microscopic structure of the yolk-sac of the pig 



embryo with especial reference to the origin of erythrocytes. Am. 

 Jour. Anat., vol. 19. 



(24) Knower, H. McE. 1907 The effect of the early removal of the heart and 



arrest of circulation on the development of frog embryos. Anat. Rec, 

 vol. 1. 



(25) KoLLiKER, A. 1886 Histologische Studien an Batrachierlarven. Zeitschr. 



f. Wissensch. Zool., 43. 



(26) Langer, C. 1868 Uber das Lymphgefassystem des Frosches. Sitzungs- 



ber. d. k. Akad. der Wiss., Bd. 58. 



(27) Lee, T. G. 1915 On the relationship of the endocardium to the entoderm 



in Citellus. Proc. Am. Assn. Anat., Anat. Rec, vol. 9, no. 1. 



(28) LoEB, J. 1893 Ueber die Entwicklung von Fischembryonen ohne Kreis- 



lauf. Pfliiger's Archiv',' Bd. 54. 

 (39) 1912 Heredity in heterogeneous hybrids. Jour. Morph., vol. 23. 



(30) Mall, F. P. 1901-2 Development of the connective tissues from the con- 



nective tissue syncitium. Am. Jour. Anat., vol. 1. 



(31) Maximow, a. 1909 Untersuchungen liber Blut und Bindgewebe. Arch. 



fiir mikr. Anat., Bd. 73. 



(32) McClure, C. F. W. 1913 The development of the lymphatic system in 



fishes. Proc. 17th Internat. Congr. of Medicine, London. 



(33) 1914 The development of the lymphatic system in the trout. Proc. 

 Am. Assn. Anat., Anat. Rec, vol. 8. 



(34) 1914 On the provisional arrangement of the lymphatic system. Anat. 

 Rec, vol. 8. 



(35) 1915 The development of the lymphatic system in the light of more 

 recent investigations in the field of vasculogenesis. Anat. Rec, vol. 

 9. 



(36) 1915 The development of the Ijrmphatic system in fishes with especial 

 reference to its development in the trout. Mem. Wistar Institute, 

 no. 4. 



(37) 1916 Experimental confirmation of the view that lymphatic endo- 

 thelium arises in loco from intraemebryonic mesenchyme cells and 

 that it is not derived from endothelium of the veins. Proc. Am. Assn. 

 Anat., Anat. Rec, vol. 10, no. 3. 



(38) McWhorter, J. E., and Whipple, A, O. 1912 The development of the 



blastoderm of the chick in vitro. Anat. Rec, vol. 6. 



(39) Miller, A. M. 1913 Histogenesis and morphogenesis of the thoracic 



duct in the chick; development of the blood cells and their passage 

 into the blood stream via thoracic duct. Am. Jour. Anat., vol. 15. 



