Figure iSb. —Paroiocelis luleopunclala. 



24 (23) Spermatic duct very short; common genital pore ventral (Fig. 36) 



seminal bursa 



Genus Haploiestis. 



vagina 



spermatic duct penis 



Figure 36. — Hapiotestis curvitubus. 



female antrum 



25 {19) Male antrum with adenodactyls bearing large needles and conspicuous rosettes of gland cells (Figs. 37, 38); 

 one exception, see Genus Paranaperus Family ANAPERIDAE (p. 61) 



.26 



Figure 37. — Anaperus Ivaerminnensis, dorsal and sagittal views of 



posterior end. Figure 38. — Achoerus pachycaudalus, dorsal and sagittal views of posterior end. 



25 (/P) Male antrum without adenodactyls or with adenodactyls very small and gland cells very inconspicuous 

 (Figs. 39, 40) 



.30 



Figure 39. — Kuma monogonophora^ 



dorsal view of posterior end. 



Figure 40. — Haptoposthia rubra. 



19 



