250 
Family COSCINODISCACEA. 
Cyclotella Kiitz., Synops -Diat., p.-7,1833. 
Meneghiniana Kiitz., Bacill., p. 50, Pl. 30, £. 68, 1844. 
(C. Kiitzingiana W. Sm., Brit. Diat.i, p. 27, Pl.5, £. 47, 1853.) 
forma, Playf., Biol. Richm. R.,p. 123, Pl. 5, f. 18, 1914. 
var. major Playf., Plankt. Sydney Water, p. 537, Pl. 56, f. 25, 1913. 
var. minutissima Playtf., ibid., p. 536, Pl. 56, f. 24, 1913. 
var. Kiitzingiana (Thw,) Playt., cbid., mp. 537, Pl. 56, f. 27, 1913. 
(C. Kiitzingiana Thw., Ann. Nat. Hist., 2, Pl. 11, f. D1, 2, 1848.) 
var. convexa Playf., Biol. Richm. R., p. 123, Pl. 5, f. 19, 20, 1914. 
(C. Meneghiniana 6 Kiitz., Bacill., I. 30, f. 68, 1844.) 
var. quadrata Playf., d.c., p. 124, Pl. 5, f. 21, 22, 1914. 
var. brevistriata Playf., ibid., Pl. 5, £. 23, 1914. 
var. fluviatilis Playf., bid., —p. 125, Pl. 5 -f,.p..24, 1914. 
Coscinodiscus Ehr., Infusionsthiere, 1838. ; 
lacustris Grun., Diat. Franz Jos. Land, p. 33, Pl. D, f. 300; (Cycl. pune- 
tata W. Sm.). 
var. papillatus Playf., Biol. Richmond iR.,*p. 126, ‘Pl: 5, f. 29,1914; 
var. tympaniformis Playf., ibid., p. 127, Pl. 5, f. 30, 1914. 
var. pellucidus Playf., ibid., p. 126, 1914. 
var. stellatus Playf., ibid., p. 126, P). 5, £. 27, 1914. 
var. denticulatus Playf., ibid., p. 126, Pl. 5, £. 28, 1914. 
var. Iris (Herib. & Brun) Playf., ibid., p. 127. Pl. 5, £. 81, 1914. 
(Cyclotella Iris Herib. & Brun, Diat. Auvergne, Pl..6, £. 1, 3, 
1893.) 
Family BIDDULPHIACEE. 
HydroserayWallich, Tzans. Mier. Soc., n. ser, vi, 1858. 
_ triquetra Wallich., ibid., 1858. 
Family RHIZOSOLENIACEA. 
Phizosolenia Whr., Amer., p. 134, 1843; em. Brightw., Q.J-MS., .p. 95, 
1858. 
setigera Brightw., L.c., Pl. 5, f. 6, 1858. 
eriensis H. L. Smith, Amer. Mier. Journ., Pl. 35, £. 7, 1872. 
var. morsa W. & G. 8. West, R. Soc. Edin., xli, p. 509, Pl. 6, £. 23, 1905. 
(Rhiz. morsa W. & G. S. West, R. Inish Acad., Trans. xxxiii, 
p- 109, 1906.) 
var. Zachaziasi (Brun;), Playf., Plankt. Sydney Water, p. 538, Pl. 56, 
fe OBES, IAB = 
(Attheya Zachariasi Brun.) = 2 
var. gracilis (H. L..Smith) Playd.,J.c., .p. 539,f. 39, 1913. set 
(Bhiz. gracilis H. L. Smith, Prec. Amer. Soc. Micr., p. 177, Pl. 4, 
£166, 1882.) 
_ Cylindrotheca Rabh,,-Alg., No.801,1859. 9 
gracilis (Bréb.) Grun.,.in Van Heurck, Synopsis, -p. 186, Pl. 80, f. 2, 
1880 | aif 
(Nitzschia teonia W. Sm., 1856; Cyl. Gezstenbergeri Rabh., dic.) 
