255 
Family GOMPHONEMACEA. 
Gomphonema Ag., Syst. Alg., p. 15, 1824. 2 
augur v. rotundatum mihi. (nec. Hhr.). 
(G.augur v. rotundatum (Ehr.) Playf., Biol. Richm. R., p. 115, Pl. 4, 
f, 19, 20, 2914), 
var. angulatum Playf., obed., Pl. 4, f. 21, 22, 1914. 
triangulare Playf., cbid., p. 116, Pl. 4, f. 24, 1914. 
constrictum Hhr., Abhandl., 1830. 
var. capitatum Ehr., Infus., Pl. 18, f. 2, 1838. 
var. australe Playf., /.c., p. 116, Pl. 4, f. 23, 1914. 
lanceolatum v. insigne (Greg.) Cleve, Syn., i, p. 183, 1894. (Greg. 1856.) 
apicatum Ehr., Abhandl., p. 416, 1841. 
vibrio Ehr., Verb., p-128, Di 2, 1, f, 40, 1843. 
*(G. intricatum v. vibrio (hr. } Cleve, Synopsis, i , p. 182, 1894.) 
vay. intricatum (Kiitz.) mihi. 
(G. intricatum Kiitz., Bacill., p. 87, Pl. 9, £. 4, 1844.) 
parvulum (Kiitz.) Van Heurek, Synopsis, p. 125), Pl. 255, f. 9, 1880-4. 
var. TeaNeR ta V. Heurck, Syn., l.c., f. 10. 
var. subcapitatum V. Heurek, ibid., f 11. 
acuminatum Ehr., Infus., p. 217, Pl. 18, f. 4, 1838. 
Rhoicosphenia Gran., 1860. 
curvata (Kiitz.) V: Heurck, Synopsis, p. 127, Pi. 26, f. 1-3, 1880-4. 
(Gomph. curvatom Riitz., Linnea, x, p. 567, Pi. 16, 1. 51, 1833.) 
Family COCCONEMACEA. 
Cocconema Ehz., Ber. Berl. Acad,, 1829. 
(Cymbella Ag., Conspec. Diat., 1830; Wneyonema Kiitz., 1833.) 
cuspidatum Kiitz., Bacill., Pi. 3, f. "40, 1844; (Cymbella). 
delicatulum Kiitz., Spee. Alg., p- 59, 1849; (Gymbella,). 
gracile Rabh., ‘Siissw. Diat., Pl 10, f. i: 1853; (ncyonema). 
(Cym. scotica W. Sm., Brit. Diat., i, p- 18, Pl. 2, £. 25, 1853.) 
' sinuatum Greg., Mier. Journ., iv, Pl. “9 f. 17, 1856 ; ae 
(Cym. abnormis Grun.,in Van Heurck, Synops. Pi. 3, ds 8, 1880-4.) 
australicum A. Sch., Altas, Pl. 10, f. 84, 35, 1875. 
tumidum Bréb., in Kiitz, , Sp. Alg., p . 60, 1840. 
asperum Ehr., Ber, Borl. ‘Acad., 1810. 
(Cym. gastiroides Kiitz., Bacill., p. 79, Pl..6, £. 4b, 1844.) 
Amphora Whr., Ber. Berl. Acad., p. 11, 1840. 
ovalis Kiitz., Syn., £. 5, 6, 1833. _ 
var. giacilis Bhr., Amer., p. 122, Pl. 3, 1, f. 43, 1843. 
hyalina Kiitz., Bacill., p. 108, Pl. 30, £. 18, 1844. 
veneta Kiitz., Bacilll, p. 108, Pl. 3, f. 25, 1844. 
var. grossestriata, Play?.; Biol. Richmond R., p. 111, Pl. 4, f. 2, 3, 1914. 
cofie'formis (Ag.) Kiitz., Bacill., p. 108, 1844. 
(Frastulia coffeiformis Ag.i in Regensb. Flora, ii, p. 627, 1827.) 
(Amph. salina W. §8m., Brit. Diat., p. 19, Pl. 30, f. 251, 1853.) 
Lagerheimii vat. minuta Preyh, Frw. Al Lismore, p. 344, Bl. 45 re, AS, 
1915. “ 
* . intricatum Kiitz,, ., 1844, is fa6 as dl as @. vibrio irae 1343, the latter: poereioce 
holds priority, aniis the type. 
