246 WEST: ADDITIONS TO FRESHWATER ALG. 
*Cosmarium scenedesmus Delp. Malham Tarn’ Long. 344; 
lat. 41 p; lat. isthm. 14; crass. 16 p. 
Cosmarium bioculatum Bréb. Malham Tarn ; Halifax. 
Cosmarium tinctum Ralfs. Ribblehead. 
*Cosmarium aspherosporum Nord. Penyghent. 
Cosmarium meneghinii Bréb. Malham Tarn; Doncaster. 
*Cosmarium substriatum Nord. in Nord. and Wittr., Alg. 
Exsic., No. 977. Rawcliffe Common. 
Cosmarium crenatum Ralfs. Malham Tarn. 
Cosmarium undulatum Corda. Rawcliffe Common; Malham 
Tarn 
boneadus tetraophthalmum (Kiitz.) Bréb. Malham Tarn. 
*Cosmarium conspersum Ralfs. Malham Tarn. 
Cosmarium margaritiferum (Turp.) Meneg. Malham Tarn. 
Cosmarium punctulatum Bréb. Rawcliffe Common; Malham 
arn ; Halifax 
Cosmarium botrytis Meneg. Common; seen from numerous 
additional localities. 
*Cosmarium przemorsum Bréb._ Eldwick. 
*Cosmarium turpinii Bréb. Var. lundellii Gutw.  [Syn. 
C. turpinti Bréb. forma Lund. (Desm. Suec., p. 29, tab. ill, 
g. 9)|. Malham Tarn. Long. 60—63 p; lat. 50—55 #3 
lat. isthm. 15—16y; crass. 28 p. 
Cosmarium broomeii Thw. Moughton Fell. 
*Cosmarium eboracense West. Baildon. 
Cosmarium ochthodes Nord. Moughton Fell ; Rawcliffe 
*Var. subcirculare Wille (Bidrag til kundsk. om Norges 
Ferskv. Alg., p. 26, tab. i, fig. 8). Baildon. 
*Cosmarium boeckii Wille. Malham Tarn. 
*Cosmarium commissurale Bréb. Rawcliffe Common. 
*Cosmarium speciosum Lund. Var. simplex Nord. forma 
intermedia Wille. Woolley. 
Cosmarium moniliforme Ralfs. Penyghent. 
osmarium cucurbita Bréb. Whernside (c. zygosp-) 
Zygosporee Rl glabree. 
Cosmarium thwaitesii Ralfs. Whernside. 
*Cosmarium curtum Bréb. Penyghent. 
smus incus *Forma divergens Arch. Penyghent; 
Greetland near Halifax (cum. zygosp.). 
———— 
Naturalis’ 
