FIGURE 4. A in New additions to the shallow-water hydroids (Cnidaria: Hydrozoa) of the French Lesser Antilles: Martinique

FIGURE 4. A: Hebella sp. 2―hydrothecae. B: Hebella sp. 3―hydrothecae. C: Hebella sp. 4―hydrothecae. D–J: Comparison of the cnidomes of Anthohebella communis (Calder, 1991) (D), Hebella dyssymetra Billard, 1933 (E), Hebella scandens (Bale, 1888) (F), Hebella sp. 1 (G), Hebella sp. 2 (H), Hebella sp. 3 (I), Hebella sp. 4 (J). K–Q: Halecium dichotomum Allman, 1888―various stems (K); male (L, M) and female (N, P) gonothecae; aperture of a female gonotheca in frontal view, showing twin hydrotheca (O); cnidome (Q). Scale bars: 10 µm (D–J, Q), 300 µm (K–P), 500 µm (C), 1 mm (A, B).