768 
Borreri. (Grev.) Ditches, Ereydoii, and near Vauxhall 
Station, Yarmouth. 
M. MARINA. (Sm.) Stomachs of Noctiluca miliarls, Yarmouth. 
M. NUMMULOIDES. (Dillwyn.) Ditch near Vauxhall Station, 
Yarmouth. 
M. ORiciiALCEA. (Kg.) Common in fresh-ivater ditches. 
M. PUNCTATA. (Sm.) Ormesby : rare. 
M. VARiANs. (Ag.) Common in fresh-water localities. 
M. Westii. (Sm.) Hunstanton : very rare. 
Genus Liprarogya Ehrenberg. 
L. SPIRALIS. (Ehr.) In washings from Moss taken off the trunk 
of an Elm on Earlham Eoad, Korwich. 
Family XL— BIDDULPHIEzE. 
Genus Isthmia Agardh. 
(Ehr.) Cromer. 
(Kg.) Cromer, growing on Ceranvium ruhrum. 
Genus Eucampia Ehrenberg. 
E. Brittanicus. (Sm.) Stomachs of Noctiluca miliar is, Yarmouth : 
very rare. 
E. STRiATUS. (Stolterfoth. ) I give this on the authority of a 
drawing (unpublished) made for Mr. Brightwell, by Tuffen 
West, and I have no doubt Mr. Brightwell found it in some 
of his Xoctilucm preparations, as figures of Triceratium 
undulatum, Bri., are on the same j^aper. 
E. zouiACUs. Ehr. Stomachs of Xoctiluc 83 , Yarmouth : rare. 
Genus Biddulphiba]: Gray. 
B. aurita. (Lyngbye.) Breydon. Stomachs of Noctiluca miliaris 
Yarmouth (River Nene, W. S. Smith). 
B. Baileyi. (Sm.) Stomachs of Noctiluca miliaris, Yarmouth. 
B. radiatus. (Sm.) Breydon ; rare. 
B. RHOMBUS. (Sm.) Breydon, Wells; mud from Yarmouth Harbour. 
B. TURGIDA. (Sm.) Breydon ; rare. 
I. ENERVIS. 
1. NERVOSA. 
