- 465 - 

 Stephanopyxis I urgida Ralfs, 954, 597, 973. 

 Streptutheea Tamesis Cl 965. 

 Striateila unipunclata Ag. 95i. 93fi, 973. 



Surirella /"osiuosa Eh. 968, 971. 



— gemma Eli. 952, 906. 

 Synetira/ulgens o. gignntea. 960. 

 Thalassionema nitzschioides Grun. 951, 

 962. 



Tbalassiosira decipiens Grun. 960, 9)1. 



— hyaliiia Grun. 

 ThalasMiotlirix Frauenfeldii Grun. 956. 

 Toxonidea Gregoryana Boni;. 958, 959, 



973. 



— insignis Donk. 964,971. 



Traehyneis aspera Cl. 955. 

 Trioeratium alternans Bail. 952, 957. 



No 974 FUNCHAL — ILE MADÈRE (Portugal) 



Actinoptycbus undulatus Eh. var. 

 Asterompbalus Roperianus Ralfs. 

 Ceratauius laevis Ralfs. 

 Coscioodiscas africanus Jan. 



— curvatulus Grun. 



— excentricus Eh, 



— lineatus Eh. 



— nodulifer Jan. 



— — fa minur. 



— oculus-irldis Eh. 



Ditylnm intricatum Weil. 

 Euoilia gibba Bail. 



— — var. atlantica. 

 Gramniatophora serpentina Eh. 

 Heimiaulufi proteus Heib. 

 Ilyalodiscus stelliger Bail. 



— subtilis Bail. 

 Melosira granulata Ralfs. 

 \ilz8chia angustata Grun. 

 Roperia tessellata Grun. 



N° 975 SILVER LAND — BRISTOL — CONNECTICUT 



(États-Unis) 



Xctinocyclus Bar kleyi Grun. 



— Ehrenbergii Ralfs. 



— var. sparsa. 



— sparsus Ralfs. 

 Actiiioptychas areolatus Eh. 



— undulatus Eb, 



— — var. roinor. 

 Ampliiprora conspicua Grev. 



^- pulchra Bail, 



Ainphoraangiista Greg 



— arenaria c Donkinii. - 



— cingulata Cl. 



— Glevei Grun. 



— gigantea Grun. 



— obtusa Greg. 



— proteus Gre^. 



— rhombica v. intermedia. 

 Anliscus cœlatus Bail. 



30 



