2284 



COSMOPOLITAN SKIN DISEASES 



natives, and is simply due to chewing betel. The pigmentation 

 slowly disappears on the native discontinuing the use of betel. 

 Cases of furrowed tongue (scrotal tongue) are not rare. We have 

 seen a case of Fordyce's disease (pseudo-colloid of the lips) in a half- 

 caste. A case of chelitis exfoliativa in a European lady and cases 

 of 'Perleche have been observed by us among European children. 

 Under the term seasonal recurrent ulceration of the lips, Gros has 

 described a very superficial ulceration on the lower lips in Algerian 

 natives which is very common in the hot season, and is due, accord- 

 ing to him, to a diplobacillus. 



REFERENCES. 



Annaratone (1912). Condizioni Igieniche Colonia Eritrea. Roma. 



Brault (1909). Bulletin de la Societe de Pathologic Exotique. 



Castellani (1904-14). Ceylon Medical Reports and Journal of the Ceylon 



Branch of the British Medical Association. 

 Castellani (1917). Journal of Tropical Medicine. 

 Castellani (191 8). Annali Med. Navale, vol. i., No. 3. 

 Chalmers and Drew (1915). Journal of Tropical Medicine and Hygiene, 



May I. 



Cheatle, G. L. (1909). British Medical Journal, June 12, i. 1411. London. 

 Crocker (1903). Skin Diseases. London. 



Escomel (1909) . Bulletin de la Societe de Pathologei Exotique. 

 Fox, H. (1907). Transactions Dermatological Congress, New York. Obser- 

 vations on Skin Diseases in the Negro. (This is an important paper.) 

 Gros (1909) . Bulletin de la Societe de Pathologie Exotique. 

 Jbanselme (1904). Dermatologie Exotique. 

 Morris and Dore (191 7). Diseases of the Skin. London. 

 PusEY (1907). Dermatology. London. 

 Sequeira (1919). Dermatology. London. 



