1879.] On the Nature of the Fur on the Tongue, 485 



The accompanying tables refer to the constancy of the presence of 

 fur, to its thickness in health, and to its relation to the papillae. 



Analysis of Gases examined. 

 On 68 healthy tongues — fur on all except one. 



On 178 tongues of persons suffering from disease or accident — fur 

 on all except two. 



Table showing relation of fur to papillae on 62 healthy tongues, with 

 remarks on the age of the persons and the characters of the papillae. 



Position of Fur. 



No. of 

 cases. 



Age of Patients. 



Remarks on Papillae. 



On filiform papillae 

 only. 



On filiform and some 

 fungiform papillae. 



Equally on filiform and 

 fungiform papillae. 



41 

 18 



o 



22 uuder 20 years of 

 age. 



17 over 20 years of 

 age — 1 set. 15. 



All over 20 years .... 



In all cases fungiform 

 papillae small — in 14 

 cases difficult to dis- 

 tinguish.. 



Fungiform papillae 

 small or indistin- 

 guishable. 



G2 



Table of thickness of the fur on 68 healthy tongues, with remarks 

 on the papillae and the nature of the tongue. 



Quantity of Fur. 



No. of 

 cases. 



Papillae. 



Condition of Tongue. 



Very thin , . . . 



Thin 



Moderately thin 



„ thick 



Thick 



1 



17 

 38 

 10 

 2 

 

 68 



Scarcely any in 12 . . . 



Large and distinct 

 in 8. 



Large and distinct. . . 



Tongue very smooth 



and supple. 

 Yery smooth and supple 



in 12. 



Infirm old people, aet. 

 80 and 95. 



When thin the fur can only be scraped off with difficulty, and 

 always brings with it numerous fragments of the hair-like processes 

 which form the terminations of the filiform papillae. But, when 

 thicker, soft, and moist, it can be removed in considerable quantity 

 with ease. 



