1. Uber den Bau der Tr3nenwege der Haussaugetiere und des Menschen,;Wallsberg,1876
2. Handbuch der vergleichenden mikroskopischen Anatomie der Haustiere,;Ellenberger, W.;Berlin, Bd,1906
3. and Arloing, S. " Trait6 d'anatomie comparde des animaux domestiques;Chauveau, A.,1905
4. " Mikroskopische Anatomie und Physiologie derTrinenwege." Graefe Saemisch Handbuch der gesamten Augenheilkunde;Schirmer;Kap. 5. Romer. " Experimentelle Untersuchungen uber Infection vom Conjunctivalsack aus; Zeitschr. f. Hygienc,7
5. Anatomie des Kaninchens, Leipzig, 1868. A female, aged 26 years, attended the eye out-patients under one of us (R. R. J.) at St. George's Hospital in the summer of 1923 for a lacrymal abscess which had burst on the left side; there was a history of epiphora of some weeks duration on each side, but the abscess had only formed on the left side one week before she presented herself for treatment. At this time there was found to be regurgitation from the riglht sac on pressure over it with the finger; the left side showed a discharging fistula surrounded by a large mass of granulation tissue.; apart from this there was a peculiar appearance over the soft parts of the nose on each side. This was shiny, slightly reddened but not ulcerated, and the;Krause, Dr. W