30 (25) Male organ simple; penis either lacking (Figs. 48, 49) or very weakly developed (Fig. 50) or its place taken by a 

 ciliated male antrum invaginated into a sheath or sac (Fig. 51) 



.31 



%3 



Figure 4S.—Parahaploposthia avesicula. 



Figure SO. — Haploposthia rubra. 



Figure 49. — Haplogonaria simplex. 



? rf- 



Figure 51. — Convoluella brunea. 



30 (25) Male organ well developed; either a glandular cellular penial area associated with the seminal vesicle (Fig. 52) 

 or a tube-shaped penis (Fig. 53) or a cuticularized penis stylet (Fig. 54) 



.46 



Figure Sl.—Pseudmecynoslomum granulum. Figure 53.— Archaphanosloma macrospiriferum. 



Figure 54.—Actinoposihia haplovala. 



31 (30) Male organ simple; penis lacking or very weakly developed . 



22 



.32 



