THE HEART AND ARTERIES OF POLYODON 453 



LITERATURE 



Allen, Wm. F. 1907 Distribution of the subcutaneous vessels in the head 

 region of the ganoids, Polyodon and Lepisosteus. Proc. Wash. Acad. 

 Sci., vol. 9, pp. 79-125. 



Allis, E. p. 1897 The cranial muscles and cranial and first spinal nerves in 

 Amia calva. Jour. Morph., vol. 12, pp. 487-808. 



1900 The pseudobranchial circulation in Amia calva. Zool.Jahrb. Abt. 

 Anat., Bd. 14, pp. 107-134. 



1908 a The pseudobranchial and carotid arteries in Ameiurus. Anat. 

 Anz., Bd. 33, pp. 256-270. 



1908 b The pseudobranchial and carotid arteries in Polypterus. Anat. 

 Anz., Bd. 33, pp. 217-227. 



1908 c The pseudobranchial and carotid arteries in the gnathostome 

 fishes. Zool. Jahrb., Abt. Anat. Bd. 27, pp. 103-104. 



1911 The pseudobranchial and carotid arteries in Polyodon spathula. 

 Anat. Anz., Bd. 39, pp. 257-262, 282-293. 



Ayers, H. 1889 The morphology of the carotids, based on a study of the blood. 

 vessels of Chlamydoselachus anguineus, Garman. Bull. Mus. Comp- 

 Zool. Harvard College, vol. 17, pp, 191-223. 



Boas, J. E. V. 1880 a tjber Herz und Arterienbogen bei Ceratodus und Pro- 

 topterus. Morph. Jahrb., Bd. 6, pp. 321-353. 



1880 b Uber den Conus arteriosus bei Buterinus und bei anderen Knoch- 

 enfischen. Ibid, pp. 527-533. 



Bridge, T. W. 1879 On the osteology of Polyodon folium. Phil. Trans. Roy. 

 Soc. London, vol. 179, pp. 683-733. 



Carazzi, D. 1904 Sulla circolazione arteriosa cardiaca ed esofagea della Scyl- 

 lium catulus. Intern. Monatschr. Anat., Physiol., Bd. 21, pp. 1-20. 



Cavalie, M. 1904 La vesicule bilaire et sa circulation arterielle, chez quelques 

 poissons de mer (Torpedo galvani, Scyllium catulus, Galeus canis.) 

 C. R. Soc. Biol. Paris, T. 55, pp. 1386-1388: 



Danforth, C. H. 1911 A 74 mm. Polyodon. Biol. Bull., vol. 20, pp. 201-204. 



Ferguson, J. S. 1911 The anatomy of the thyroid gland of Elasmobranchs, 

 with remarks upon the hypobranchial circulation of these fishes. Amer. 

 Jour. Anat., vol.11, pp. 151-208. 



Greil, a. 1903 Ueber die Entwickelung des Truncus arteriosus der Anamnia. 

 Verh. Anat. Ges., Bd. 17, pp. 91-105. 



Gudernatsch, J. F. 1911 The thyreoid gland of the Teleosts. Jour. Morph., 

 vol. 21, no. 4, Supplement, pp. 709-782. 



Hyrtl, J. 1858 Das Arterielle Gefasssystem der Rochen. Denkschr. d. Kais. 

 Akad. d. Wissens. Wien, Bd. 15. 



