ANNUAL SUBSCRIPTION— Members, 4s. 6d. ; Non-Members, 9s. Post Free. 



NO. 12, VOL v.] Price Is. [DECEMBER, 1891. 



Tbe 



Essex Naturalist: 



BEING THE 



JOURNAL 



OF THE 



ESSEX FIELD CLUB, 



EDITED P.Y 



WILLIAM COLE, 



Honor a ry Seer eta ry . 



Contents. 



Notes on the Teasels, Dipsacus Sylvestris and D. Pilosus, and their natural rela- 

 tionship. P.y J FK1.-.NCH 233 



British Annelids. With esperial reference to the Earthworms of Essex. By Rev. Hilderic 



Frikxii, F.L.S. {Continued.) 237 



Short Papers. List of Mollusca observed in the Orwell and Slour Estuaries, 244 ; Notes on 

 the History of the Chelnier and Blackwater Navigation. By E. A. Fitch, 248; List of 

 Plants noted on the Banks of the Chelintr, &c., 251 ; Mollusca observed in Chelmer, 253 ; 

 Notes on the Colne Oyster Fishery. By J. C. Shenstone, F.R.M.S., and Dr. La\ er, 

 F.L.S. , 257 ; Notes on Aquatic Plants of the Thames Marshes. By A. J. Jenkins and 

 W. BlUUISCOMlSE 261 



The Essex Field Club. Second Joint Meeting of the Club and the Ipswich Scientific Society 

 at Ipswich, and on the Orwell and Stotir Rivers, 241 ; Excursion from Maldon to Chelms- 

 ford, along the Blackwater and Chelmer Navigation River, 247 ; Meeting at St. Osyth and 

 Brightlingsea, 254 ; Ordinary Meeting, November 7th, 260 ; Ordinary Meeting, November 

 2Sih 262 



Note on the Marine Algae and Flowering Plants observed between Harwich and 



Dovercourt. By E. M. Holmes, F.L.S 264 



The authors alone are responsihie for the statements and opinions contained in their 



respective papers. 



PI:BLISHF.D by TF^E club, BL'CKHURST hill, ESSEX. 

 F.. nrRR.-XNT & CO., 90. ElIGII STREET, CHELMSFORD. 



Fnt. Stationers' Hall.] ^Issued March, iSgi..'] 



CoMMu.NiCATioNS flW Advertisements should be addressed : — 



The Editor of "THE ESSEX NATURALIST," 



7, Knighton Villas, Buckhurst Hill, Essex. 



