PLATE II - CENTRIC DIATOMS
Fig. 1: Coscinodiscus excentricus Ehrenberg; Hauraki Gulf. Fig. 2: Stephanopyxis orbicularis Wood (in press); Cape Campbell. Fig. 3: Thalassiosira hyalina (Grunow) Gran, with auxospore; Hauraki Gulf. Fig. 4: Planktoniella sol (Wallich) Schutt; Napier. Fig. 5: Chaetoceros affine Lauder; Wellington Harbour. Fig. 6: Chaetoceros concavicorne Mangin; Cape Campbell. Fig. 7: Chaetoceros decipiens Cleve; Hauraki Gulf. Fig. 8: Rhizoselenia alata Brightwell; Hauraki Gulf. Fig. 9: Rhizoselenia setigera Brightwell; Hauraki Gulf. Fig. 10: Rhizoselenia stolterfothii H. Peragallo; Hauraki Gulf. Fig. 11: Streptotheca thamensis Shrubsole; Castle Point. Fig. 12: Lauderia annulata Cleve; Hauraki Gulf. Fig. 13: Ditylum brightwellii (West) Grunow; Cape Campbell. Fig. 14: Biddulphia chinensis Greville: Hauraki Gulf. Fig. 15: Biddulphia mobiliensis Bailey; Hauraki Gulf.