102 BRITISH DIATOMACE^. 



Cymbeila turgida, Greg. Mic. Journ. vol. 4. pi. i. fig. 18. 

 „ obtusa, Greg. /. c. fig. 19. 



„ Pisciculus, Greg. /. c. fig. 20. 



„ sinuata, Greg. /. c. fig. 17- 



„ hyalina, Ag., Grev. B. F. p. 414. Not Diatomaceous. 



„ minor, Ag. in Grev. B.F.= Cocconema Cistula. 



cymbifcrmis Ag.| G]ev B r 

 „ remformis, Ag. J 



Amphora Areus, Greg. A. incisa, Greg. A, angularis, Greg. 

 Mic. Journ. vol. 3. pi. iv. figs. 4, 5 & 6 = Amphora ovalis, W. Sm. ? 

 Cocconeis transversalis, Greg. C. speciosa, Greg. C. distans, 

 Greg. C. costata, Greg. Mic. Journ. vol. 3. pi. iv. figs. 7, 8, 9& 10 

 = Cocconeis Scutellum, W. Sm. ? 

 Eupo&iscus Ralfsii ? /3, Greg. Mic. Journ. vol. 3. pi. iv. fig. 11. 

 Triceratium membranaceum, Brightwell. " Walls of the frustule 

 extremely delicate ; sides convex ; angles attenuated, ending in 

 minute papillae ; frustule dotted over with very minute cells. 

 Diam. l-233 d ." Marine. " Thames mud," Bright. Mic. Journ. 

 vol. 1. p. 251. pi. iv. 15. 

 Triceratium obtusum, Ehr. " Thames mud," Bright. /. c. fig. 20. 

 „ comptum, Ehr., Bright. /. c. p. 249 & fig. 4. Roper, 



Mic. Journ. vol. 2. p. 283 = 7 7 . Favus, Synop. pi. v. 44? 

 Surirella Jennerii, Hass. Alg. p. 439. pi. cii. \5 = S. bifrons, Synop. 



pi. viii. 57? 

 Surirella fastuosa /?, Greg. Mic. Journ. vol. 3. pi. iv. \2 = S.fas- 



tuosa, Synop. pi. ix. 66 ? 

 Surirella tenera, Greg. Mic. Journ. vol. 4. pi. i. 38 = S. linearis, 



Synop. viii. 58 ? 

 Amphiprora vitrea /3, Greg. Mic, Journ. vol. 3. pi. iv. 14 — A. ele- 



gans, W. Sm. ? 

 Navicula Palea, Hass. Alg. p. 430. pi. cii. 10. 



„ Platystoma, Ehr., Hass. Alg. p. 431. pi. cii. 6. 



„ birostrata, Greg. Mic. Journ. vol. 3. pi. iv. 15. 



„ rhombica, Greg. /. c. fig. 16. 



„ gastroides, Greg. I.e. fig.l'J^N.jJUsilla, Synop. xvii. 145. 



„ crassa, Greg. /. c. fig. 18. 



„ maxima, Greg. I. c. fig. 19. 



„ Trochus, Ehr., Greg. Mic. Journ. vol. 4. pi. i. 2. 



