^^r' 



CONTENTS. 



Introduction 221 



Annotated cafaloguo of gonera and spories 2I>() 



Data of the stations at which diatoms were rolh^rtod l»y tin' Albatross VMO 



Bildiograpliy 394 



ILLUSTRATIONS. 



Facing piige. 



Plate XTJV. Diatoms of the genera Amphora, Arhnantlios, and Diniero- 



gramma 



422 



424 



XT-V. Diatoms of th(^ genera Actinoptyehns, AsteroniphahLs, and 



Stephanopyxis 



XT.YT. Diatoms of tin- genus Biddnl])bia 426 



XLVir. Diatoms of the genu- I^i(Uhilphia 428 



XhVIir. DiatouLs of Ihe genus roHcinodiseus 



4:;() 



XLIX. Diatoms of the gc^nu.s Co.<einodi.-(Us 432 



L. Diatoms of several g(^nera 434 



LI. Diatoms <jf the genera Melosira, (.'ampylodiscus, and Trigo- 



nium - - 43G 



LII. Diatoms of the genera Plagiogramina and Xavicula . . . .' 438 



LIII. Diatoms of tin* germs Xavicuhi - - 440 



DIV. Diatoms of the g(mus Tripodiscus . - - . - 412 



V 



