Clare Island Survey— Fresh-water Algae. 16 17 



Cosmarium Cucurbita Breb.— A, S; D, 43 x 21// ; M, IT, C, LO ; SL ; 46 x 21'7/u ; 

 CP, Cn ; L, 46 x 22//. 

 Debaryi Arch. — W. 



depressum (Nag.) Lund. (C. Scenedesmus Delp.}. — C, IT, VL, SL, W. 

 var. reniforme W. & G. S. West. — W. 



var. MINOR var. nov. — Var. cellulis minoribus.long. 25//,lat. 26//, 

 also 24 - l x 25//. Cr ; C, a wider form 23 - 3// long, 31// wide. 

 *decedens (Eeinsch.) Eacib. — SL. 

 difficile Lutk.— YL ; M, 31 x 19-5//; W. 



var. sublaeve Lutk.— C, 35 x 20-8/, ; W, L ; M, 32 x 20//. 

 elegantissimum Lund. var. minor West. — D. 

 exiguum Arch.— C, 26-26-5 x 12 M ; W, 27-28 x 15-16//. 



var. subrectangulum W. & G. S. West. — Cr, 117 x 9//, a small 

 form. 

 formosulum Hoifm. — L, plankton of Lough Eoonah near L; CI, D, VL; 

 C, 47 x 40-43//, also from another place 43-44 x 37-40// ; some 

 examples were near the variety Nathorstii ; W, up to 52-5 x 48// ; K. 

 furcatospermum W. & G. S. West. — C, 21 x 19//, forma cum sinu angustiori. 

 galeritum Nordst. — M, W ; C, 52-5 x 40//. 

 globosum Buln.— W. 

 granatum Br<*b.— L, W, VL ; C, 29 x 18-20// ; Cr, 33 X 21-22//. 



var. subgranatum Nordst. — L, W. 

 humile (Gay) Nordst.— W, 14x12,/ ; D, Cn, VL, Cr. 



var. substriatum (Nordst.) Schmidle. — C, 175x15//; L, K, SL, 



I, LG, C, I, W, D. 

 var. glabrum Gutw. — W. 

 var. striatum (Boldt.) Schmidle. — W. 

 holmiense Lund., var. integrum Lund. — D. 

 Hammeri Eeinsch. — M, W, C. 



var. homalodermum (Xordst.) W. & G. S. West. — W. 

 isthmium West. — W. 

 impressulum Elf.— C, VL, L ; W, 28 x 20/., also 24x17-5// ; DL, D ; CP, 



21-6x15-8 ; Cr, 21 x 15//. 

 latum Breb. — Cr, 63-5 x 75//. 

 laeve Eabenh.— C, M, L, VL, D. 



var. octangulare (Wille) W. & G. S. West.— L, CI, Cr, W; 



C, 22-5x16-6-17^.; K. 

 var. septentrionale Wille. — C, L, D. 

 var. cymatium W. & G. S. West. — G. 

 margaritiferum (Turp.) Menegh.— C, 43-5x38//; M, SL, W, CP. 



B.I.A. PKOC, VOL. XXXI. C 16 



