497 
Those who have made a study of the matter are aware of the 
extreme difficulty of tracing out the species through the literature 
of the Diatomaceae, and will doubtless find of great service the 
following list of references to the figures of species contained in 
the famous deposit : 
Actinoptychus 
“ee 
ce 
ce 
Autliscus 
splendens 
vulgaris 
undulatus 
glabratus 
Spinifer 
Molleri 
hispidus 
Stella 
Bismarckit 
Griindlert 
Asiaticus 
laevigatus 
nitidus 
Clevet 
Comberi 
angulatus 
convexUs 
margaritaceus 
aMoCnUS 
putcher 
Oreganus 
Kittoni 
Huttonit 
Crux 
Rattrayi 
SPectosus 
punctatus 
Hardmanianus 
Biddulphia 
Stockhardtii (A. racemosus Ralfs) ie 
Bailey. tas, 31, f. 6; 108, f. 10; var, sub- 
pruinosus 
ovalis 
mirabilis — 
Grun. Aflas, 37, f. 16; 32, f 6-8. ae 
5 Bh - 
Rabe. « Veo. 116, 4..%,-2;4. 
Schum. V. H., 121, f. 5, 6; var. Monicae, 
S20, fo: 
Ehr. Atlas, 91, f. 5; Atlas, 232, f- 76. 
Grun. Atlas, 154, f. 2, 3,4; V. H., 120, f. 6. 
Grun. Atlas, 153, f. 23. 
Grun. Aflas, 1372, f. 14. 
Gron. .. V. Hf, 227, 7, 2. 
A. S. Aélas, go, f- I, 2 
AwS. . Atlas, oi, £4. 
A--S. Atlas, 100, 1.354 
Temp. & Br. Atlas, 156, f- 10; Diatoms of 
Japan, p74; aS ve 
Gron. V..#., 122, f- 7; Atlas, 172, 7. 75. 
Grev. Alas, 7, f- 7. 
A. S. Allas, or. f. J 
Am, Aélas, 36, f. 11; 103, f- 5: 
Grev. Atlas, 34, f. 7, 8; 103,f- 2; 105, f- 7,8. 
Gr. & St. J. QO. C., Aug. 87, 12, f. 32. 
Ralfs. Adlas, 37, f. 1-8; 92, f. 12; 103, f: 
6-9; 1 05; f- I. 
Grev. Atlas, 74, f. 6; 40, f: 135 134 f- 77 
var. sparsi-radiata, 133, f. 4-6. 
Norm. Pritch, 8, f- 28. 
Bail. Atlas, 107, f. 7. : 
Arn. Adlas, 76, f- 5-7- 
Gr. & St. Atlas, 124, f- 6;146, f: 8; ‘f 0. Cry 
Aug., 87, 12, f. 31: 
Ehr. Aélas, 105, f: 57 124, f: 1- 
Gr. & St. f. Q. C., Aug., 87, 11, f: 29. 
A. S. Atlas, 108, f. 3; 80, f. 5. 
Bail. Atlas, 89, f. 14-17. 
Grev. Atlas, 67, f. 1; 89, f. 45 var. Atlas, 
108, f. 1. : 
Kitt. Atlas, 67, f. 3; var. Atlas, 89, f 2 
Jan. Atlas, 67,£. 6. 
reticulata Grun., Atlas, 89, f. 5, 6. 
Am. Adélas, 30, Ji 16, 17+ 
Grev. Atlas, 89, f. 13. 
