657 



a general agreement with the papillary type. They further call 

 attention to the fact that the stroma may be present in considerable 

 quantities which is a very prominent feature of these tumors. On 

 the other hand if these tumors are classified according to the plan 

 offered in the syllabus of Councilman and Mallory '04, they would 

 be derived from the mesenchyma and designated as hypernephroma. 



During the past few weeks there has come into my possession a 

 slide of an adrenal tumor (human) of the papillary type which is 

 almost identical with this tumor described above for the frog. The 

 slide was loaned me by Dr. H. S. Steensland, of the Syracuse Medical 

 College, who has assisted me very materially in the interpretation of 

 these pathological conditions. This human tumor is included within 

 the kidney with no external evidence of its presence. The branching 

 papillae arise from the walls of the alveoli and are covered with 

 cuboidal epithelial cells. These branching 

 tufts as well as the alveolar walls have a 

 large amount of stroma. The lumina of the 

 tumor are of irregular shape (Fig. 6). 



Bashford and Murray ('04) working 

 in the Laboratory of the Cancer Research 

 Fund of the Royal College of Physicians of 

 London have accumulated a large number 

 of specimens illustrating malignant new 

 growths, not only in the domesticated animals rig- 6- ^ microphotograph 

 but in many other vertebrates. They include humTn kidney. ™°^ 

 65 observations in their list showing tumors 



in all of the phyla from Pisces to and including Mammalia. But one 

 observation is cited for Amphibia and that was a malignant cystic 

 ademona in the testis of the Giant Salamander. The results de- 

 scribed in this paper add one more observation to the Amphibian phylum 

 and the conclusions reached are in admirable agreement with the 

 following from the same authors: "The clinical, pathological, anato- 

 mical, and microscopical characters of these new growths are identical 

 with those found in man in all essential features". 



Zoological Department, Syracuse University, February 1, 1905. 



Literature cited. 



Balfoue, F. M. (1881), Ueber die Entwickelung und die Morphologie 

 der Suprarenalkörper. Biol. Centralbl., No. 5. 



Bashford, E. F., and Murbay, J. A. (1904), The significance of the 

 zoological distribution, the nature of the mitoses, and the transmissi- 

 bility of cancer. Lancet, Vol. 166, No. 4168, p. 413. 



Auat. Anz. 2XVI. Aufsätze. 42 



