86 On the Origin and Distribution of the British Florii. In conclusion, I have to acknowledge my indebtedness to B. M. Christy, Esq., of Saffron Walden, and E. Gr. Varenne, Esq., of Kelvedon, for many valuable local corrections. I have thought it useful to append a table of the rivers and their tributaries, giving lengths where known. E. = entering on right bank; L. on left. ] square brackets signify that the stream is not in Essex. " " inverted commas denote provisional names. Lea. 50 miles. [R. Maran. 11 m.] [R. Beame. 11 m.] L. Stort. 19 miles. L. "Chickney Brook." L. Pincey Brook. [E. "Sawbridgeworth Brook."] L. Cobbin River. [R. Salmon's River.] [R. "Hadley Brook."] [R. "Hornsey Brook."] [R. Hackney Brook.] Boding. 33 miles. R. "North Weald Brook." L. Aldersbrook. L. "Ilford Brook." Pym or Bourne. "Upminster Brook." "Rainham Brook." Ingrebourne. Crouch. 15 miles. R. Roach. Chelmer. 34 miles. R. "Tittey Brook." L. "Lindsell Brook." R. Cann. 10 miles. R. "Roxwell Brook." L. "Brick Chignal Brook." R. Wm. 13 miles. L. "Doddinghurst Brook."