MARINE ALG OF THE L.M.B.C. DISTRICT. 9 
I fancied I detected an intercommunication of proto- 
plasm between cells of the ‘‘ host”’ and those of the 
‘“‘ parasite,’ but I have not as yet succeeded in 
obtaining a specimen which shows this in such a 
manner as to leave no doubt as to the actual union 
of protoplasmic elements. 
C. strictum, Grev. et Harv. 
Common at Puffin I. (G). 
C. diaphanum, Roth. 
New Brightonand Hilbre I., parasitic or on rocks (M). 
C. rubrum, Ag. 
Very common at Hilbre I. and very variable, often 
parasitic (M). Extremely abundant at Puffin I. (M 
and G) ; locality not recorded (Li). 
C. rubrum, Ag., var. decurrens. 
C. decurrens, Harvey. 
Not uncommon at New Brighton and Hilbre I. (M). 
C. ciliatum, Ducl. 
Parasitic on Chylocladia articulata, at Puttin I. 
(M and G). 
C. ciliatum, Ducl., var. echinatwm. 
New Brighton (M). 
C. echionotum, J. Ag. 
Putin 7, (M.and G.) 
C. flabelligerum, J. Ag. 
Locality not recorded (M) ; Puffin I. (G). 
C. acanthonotum, Carm. 
Purple forms at Hilbre I., white at Puffin I. (M). 
I found two specimens at Puffin I. which had the 
usual dark red colour. 
C. botryocarpum, Griff. 
Isle of Man (M). 
Glotosiphonia capillaris, Carm. 
Isle of Man (M). 
