110 Canon A. M. Norman— Notes on the 
Genus Lerescuara, M. Sars. 
[‘“‘ Beskr. over nogle norske Polyzoer,” Videns.-Selskab. Forhand. 1862, 
p. 17 (separate copy). | 
Type, Leteschara coarctata, M. Sars. 
I do not think that this genus, with its entirely different 
oral opening and its avicularia, can be united with the pre- 
viously described Myriozoon (Donati), of which the type is the 
common Mediterranean species M. truncatum, Pallas. 
49. Leieschara plana (Dawson). 
1860. Lepralia plana, J. W. Dawson, in Durban (W.S8. M.) and Bell 
(R.), ‘Contributions to Canadian Natural History ” (from Report 
Geological Survey for 1858), Montreal, p. 33. 
1867. Myriozoon crustaceum, Smitt, ‘ Kritisk Forteckning, &e.” p. 18, 
pl. xxv. figs. 88-91. 
1878. Leteschara crustacea, Smitt, “ Recensio Bryozoarium ad insulas 
Novaja Semlya, &c.,” CHfvers. K. Vet.-Akad. Forhand. p. 20. 
1886. Schizoporella crustacea, Lorenz, Bryozoén von Jan Mayen, p. 5, 
pl. vii. fig. 2. 
1887. Leteschara crustacea, Levinsen, Dijmphna-Togtets zool.-bot. Ud- 
bytte, p. 317. 
1892. Myriozoon planum, Hincks, ‘ Polyzoa of the St. Lawrence,” 
Ann. & Mag. Nat. Hist. ser. 6, vol. ix. p. 157. 
1900. Schizoporella crustacea, Waters, ‘‘ Bryozoa of Franz-Josef Land,” 
Linn. Soe. Journ., Zool. vol. xxviii. p. 64, pl. vii. figs. 11-13. 
1901. Myriozoon planum, Whiteaves, “ Cat. Marine Invert. of Eastern 
Canada” (Geol. Surv. Canada), Ottawa, p. 99. 
It will be seen that Smitt, who had first placed this species 
and its allies in the genus Myriozoon, subsequently trans- 
ferred them to Leieschara. Dawson’s description of Lepralia 
plana was very inadequate; but I have seen specimens named 
by him, and there can be no doubt as to the species which 
he intended. 
Varanger Fiord, 120-150 fathoms. I also have specimens 
from Parry’s Island, Spitsbergen, and Beeren EHiland Banks, 
15-40 fathoms (F. A. Smitt); and Greenland, ‘ Valorous,’ 
1875. 
The Genus Eschara. 
In 1724 John Ray described, in his ‘Synopsis methodica 
stirpium Brittanicarum,’ p. 31, Eschara retiformis from the 
south-east coast. He thought that it was vegetable, yet the 
few words of description make it clear that he meant the 
species described by Pallas. Ray, as pre-Linnean, cannot be 
the authority for the specific name. 
Ellis (‘ Nat. Hist. Corallines,” 1745, p. 71, pl. xxx. figs. a, 
A, B, C) describes and figures our “ Hschara foliacea,” those 
