Ixil 
793. 
797. 
7198. 
799. 
SYNOPTIC CATALOGUE. 
comoides, //arv.; czspitosa, nigroviridis, filis elongatis capillaribus 
valde flexuosis crispisve seepius hic illic coherentibus late pellucido- 
marginatis, striis inconspicuis. Calothrices, n.597 and 598, in Harv. Alg. 
EHxsice. Austr. 
Has. Cape Riche, W. H. H. 
confervicola, 4g, (Harv. Phyc. Brit. t. 254.) 
Has. Common on various small Algae. (Cosmopolitan.) 
. scopulorum, 4g. (Harv. Phyc. Brit. t. 58. B.) 
Has. Seacoast rocks 
. infestans, Harv. (Il. Tasm. il. p. 343.) 
Has. Tasmania. 
CC. OSCILLATORIA, Vaucher. 
limosa, 49. (Ag. Sp. Alg. p. 66.) 
Has. Lefebre Peninsula, Dr. Mueller (fide Sond.). (Kurope, etc.) 
[Many other “‘ species ” are probably to be found by looking for.] 
CCI. SCHIZOTHRIX, Kiitzing. 
fuscescens, Kiitz. (Kiitz. Sp. Alg. p. 320; Sond. in Linn. xxv. p. 657.) 
Has. Tasmania, Stuart. (Kurope.) 
CCII. HETERACTIS, Kiitzing. 
pruniformis, Aii/z. (Sp. Alg. p. 334; Sond. in Linn. xxv. p. 657.) 
Has. Adelaide, Dr. Mueller. (Kurope.) 
Family XXVIII. DIATOMACEA. 
(Australian species not explored.) 
