. Fig. 14. Fig- 15- Fig. 14. First pleopod. Development of the petasma. â : 30. //, inner lobe; ml, middle lobe; pi, lateral lobe; pp, proximal process; pt, terminal process; tv, wing. Fig. 15. First pleopod. Mature form. Left side, x 30. //, inner lobe; ml, middle lobe; pa, additional process; pi, lateral lobe; pp, proximal process; pt, terminal process; si, setigerous lobe; w, wing. process] is present in the majority of males, though not in all, as a spine c bent forwards over the foremost expansion b. It may be as long as that shown in Fig. 30, ^i, dz [my Fig. 16] or very much smaller, or
. Fig. 14. Fig- 15- Fig. 14. First pleopod. Development of the petasma. â : 30. //, inner lobe; ml, middle lobe; pi, lateral lobe; pp, proximal process; pt, terminal process; tv, wing. Fig. 15. First pleopod. Mature form. Left side, x 30. //, inner lobe; ml, middle lobe; pa, additional process; pi, lateral lobe; pp, proximal process; pt, terminal process; si, setigerous lobe; w, wing. process] is present in the majority of males, though not in all, as a spine c bent forwards over the foremost expansion b. It may be as long as that shown in Fig. 30, ^i, dz [my Fig. 16] or very much smaller, or it may be entirely wanting: of thirty heavily chitinised males examined, it was present in the left petasmas of twenty, absent from those of ten. The lateral process pi is curved at the end; it carries no tooth or secondary process. On
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Keywords: ., bookcentury1900, booksubjectocean, booksubjectscientificexpediti
