FIGURE I. 
PLaTE XXV 
Cestodiscus ovalis, Grev., X 335. Moron, Spain. From Moebius’ 
Plates of Diatoms. 
Actinoptychus Waittianus O. Jan., X 200. Hayti. From 
_ Diatomaceen, Jeremie in Hayti. 
Brunia japonica, Temp., 100. Japan. 
Aulacodiscus n. s.. X 1000. Pacific Ocean, S. S. “ Albatross,” 
Station 4029 H. 
Navicula invenusta, Mann, X 375. Galapagos Islands. 
Navicula bullata, Norm., 350. Western Australia. From 
Moebius’ Plates of Diatoms. 
