ARTHUR LISTER, F.R.S. oot 
satrsibtion cannot be regarded as recent. from Pad 
distribution, it appears more A ghar that the rm is a native of 
the British coasts, and tha s always a rare species. It may 
also “A somewhat sporadic 
either Harvey’s nor r Kuckuck’s Se hee is readily accessible, 
a full | danteigibiont of L. crispa is adde 
LeaTHEsiA crispA Harv. “ Short Descriptions of some New 
British Alge,” i in Nat. Hist. gates vol. iv. 1857, p. 201, pl. 12a. 
L. concinna Kuck. Bemerk. z. ma genveg. v. Helgo land, ii. in 
Wiss. Meeresunters. Abt. Heldolii’: Neue Folge, Band ii, Hett i, 
. pp. 387-389, fig. 12. 
Plants subglobose or irregularly tubercular, small ‘5-1 
diam., dark brown, solid or becoming slightly hollow. Thallus 
composed of hat ee Us branched filaments seinen © from a 
elongated, cylindrical, 5-7 » wide, terminal cells short, subglobose, 
7-10. » wide. Chromatophores discoid, 2—4 Haire numerous, 
colourless, 7-10 » wide, with basal growth. Unilocular sporangia 
f i ullary filaments, 4 
x urilocular sporangia very rare, short, filamentous, 
uniseriate, terminal on m ary filaments or rarely lateral on 
meer re filaments, 30-40 x 4-6 p 
Tus crispus Stackh. 
ai 
Dis Scotla d (Cumbrae), Ireland (Greystones), 
England (Swanage), Kidgenoy Normandy (Gatteville, Tatihou), 
Heligola 
ARTHUR LISTER, F.RBS. 
Gulielma Lister, re to w m the writer of this notice is 
indebted for much help. 
“ From his early childhood his aga delight was in being 
out of doors and in observing Nature. The difficulty of learning 
to read was removed when his sec Set gave him reading lessons 
from White’s Selborne, for that told of birds, and birds were 
almost a passion with him. He learnt to know them in ag 
ese co pen : 
hatte going to school at the age of eleven he had taught himself 
to engrave on wood, in order that he might reproduce his favourite 
