FIG. 7 in Hydroids of the family Halopterididae (Cnidaria, Hydrozoa) collected in the western Pacific by various French expeditions

FIG. 7. — Halopteris concava (Billard,1911), MUSORSTOM 3, stn DR 117: A, internodes of stem and branching, frontal view; B, internode from apical part of hydrocladium, lateral view; C, internode, frontal view; D, internodes from basal part of hydrocladium, lateral view; E, several internodes from hydrocladium, lateral view; F, gonotheca, posterior view. Scale bars: A-D, F, 0.1 mm; E, 0.2 mm.