T. Goodey and a. W. Weldings 
551 
^‘hoggy” condition to the touch. Suppuration was not constant and 
had been kept fairly well in check by periodical local treatment. Occa¬ 
sionally a pocket would get infected, giving rise to acute inflammation 
and the formation of a local abscess. Amoebae present. 
14. Male, 49. Similar to “13.” Films also showed presence of 
the organism. 
15. Male, aged 43. Films made from the material collected in the 
“trough” existing between the normal healthy interdental gum papilla 
and the tooth showed the presence of amoebae, flagellates and numerous 
active phagocytic leucocytes. 
16. Male, 36. Recession of the gum on labial surface of root of 
the first left lower incisor exposing more chan one-third of the root. 
Material collected from the exposed root contained amoebae, as did 
also ibaterial from a rather deep “trough” existing between the distal 
surface of the mandibular second left molar and the gum. 
17. Female, aged 30. Inflammation of gums chiefly affecting the 
labial and buccal aspects and the interdental papillae of both jaws. 
There was some recession of the gums about buccal surface of right 
premolars and first molar, but no deep pockets were to be found and 
there was a tendency to hypertrophy of the interdental papillae rather 
than resorption. The whole of the affected gum surface was of a deep 
red colour, bleeding freely to the slightest touch and very painful. 
Material collected from between the inflamed gum and the tooth sur¬ 
face contained numerous amoebae. 
18. Male, 52. Leucoplakia of the cheeks, affecting both sides. 
On right side it seemed to extend from inflammatory condition of gum 
around second mandibular molar. Films made from about the molar, 
and the surface of the cheek did not show any amoebae. 
19. Male, 55. Chronic condition of the tongue in which the sides 
of the anterior third and the tip were liable to recurrent attacks pro¬ 
ducing painful, raw patches. No amoebae. 
20. Male, 50. All teeth were in a perfect condition except right 
maxillary first molar which was missing. The mouth was exceedingly 
well kept and the gums generally speaking were in a good condition, 
with the exception of slight recession of the buccal margins about the 
premolar and molar teeth in both jaws and some evidences of an in¬ 
flammation of the interdental papillae here and there. 
Films made from the “troughs” existing between the interdental 
papillae and the teeth showed the presence of amoebae in the case of 
both healthy and unhealthy papillae. 
