FROM THE SOCIETY S GARDENS. 



G59 



the preceding, is nevertheless characterised by the possession of 

 an elongate, thin, chitinous splint lying dorsally on the sac and 

 projecting a little beyond it. This probably is the penis, and 

 is particularly easy to see in some specimens from Somateria 

 mollissima *. 



A. difflcilis, sp. n. — The penis-splint is present. The appaiutiis 

 appears to me to be quite indistinguishable from the preceding. 



Text-fieure 12. 



Anatwcns icterodes. Male reproductive s;s"stem and copiilatoTj' apparatus^ 



X 160. 



VS. vesicula semiualis. D. ductus, BP. basal plate. EP. emlomeral ])late, 

 P. paramere. Ps.P. pseudopenis. T. testis, VB. vas detereiis. 



Sac not shown. 



Male Beprodtictive S'ystem in Anfltoecu'S. (Text-fig, 12.) 



This was examined in A, icterodes and A. hrunneiceps and 

 found to be the same. It is noteworthy for the extremely 



* It iway exist in other species and j-et escape detection, if the cliitin be hyaline 

 and tra iisjiarewt. 



