574 Bacillarieae, Surirellacete, Suriiaya. 



Ihib. iii mari prope u Coloinbo » iusula) Ceylonio (Craven). — 

 Proxima est Suriraya manca Jaiiisch. 



20. Suriraya striata Leud.-Fortm. Diat. Ceyl. p. 42, t. 3, f. 37 bis. 2241 

 — Valvis oblougis, ellipticis, vix medio oonstrictis, 120:5 52, co- 

 stis aream attiiigentibus evidentissimis, versus marginem iu lineam 

 minus conspicuam prolongatis; striis 2-3 obliteratis inter lineas 

 has raarginales praisentibus ; area oblonga, striis inaequidistantibus 

 transversim exarata. 



Hab. in inari pr. «Colombo» insulse Ceylonas (Craven). 



27. Suriraya euglypta Ehr. Amer. pag. 13(3, t, 3, V, f. 2, 4, Kuetz. 2242 

 Bacill. pag. 62, t. 28, f. 21 a-b, Gruu. in Wien. Verhandl. 18(32, 



p. 450. — Surir. sirialuld minor, ceterum ei simillima, costis 2Vo 

 iu 10 p.. 



Ilab. in Mexico (Ehrenberg). 



28. Suriraya COrdata Ehr. in Ber. lierl. Akad. 1845, p, 365, Grun. 2243 

 iu Wien. Verhandl, 1862, p. 450. — E mediocribus; valvis ovatis 

 quasi cordiformibus, ad 70 u.. longis, costis P/o in 10 y.., cum pseu- 

 dorhaphe contigais. 



Hab. fossilis ad «Uidscham» Kurdistania? (Ehrenberg), — 

 « A n Plag io discus ? » 



29. Suriraya subsalsa W, Sm. Br. Diat. I, p. 34, t. 31, f. ^59, Grun. 2244 

 in Wien. Verhandl. 1862, p. 450, Rabenh. Fl. Eur. Algar. 1, p. 56, 

 Surireila pijgmcea Ehr. Mikrog. t. XXXV, A, 8, f. 4. — E mi- 

 nimis, valvis exacte cuneatis vel obovatis, 15-35 a longis, utroque 

 polo obtuso-acuminatis; costis validis, declinatis, 3 in 10 ;>.., pseu- 

 dorhaphe angusta, striis punctatis 10-11 in 10 a. 



flab. in aqua dulci et submariua Anglise (Gregory, W. Smith). 



30. Suriraya ichthyocephala Rabenh, Sdssw. Diat, p. 30, t. X, suppl. 2245 

 f. 6, FI. Eur. Algar. I, p. 56, Gruu. in Wien. Verhaudl. 1862, 

 pag. 450, Pritch. Inf. pag. 796. — E mediocribus, valvis ovato-ob- 

 longis, 100-105^34-35, utroque polo late rotundatis, costis vali- 



dis, arcuato-convergentibus, I1/4 in 10 a., pseudorhaphe latiuscula 

 levissima. 



Ilab. in fossis argillaceis (aquae dulcis?) prope Anconam Italiae 

 (Rabenhorst). 



31. Suriraya Godeffroyana Witt in Journ. Mus. Godeffr. I, 1873, -mr) 

 p. 67, t. 8, f. 1, Hedwigia 1873, p. 55 et 124. — E mediocribus, 

 valvis 84-85 5*43,5, margine undulatis, costis brevibus, superne ca- 

 pitato-incrassatis, medium uon completo attingentibus, area me- 

 diana subtiliter punctata, ecostata. 



