2961^ A MONOGRAPH OF THE AUSTRALIAN APHRODITEA, 



Yig. 3. — Section through the nerve-cord and ventral body-wall of 

 Antinoe prcBclaray magnified, showing the ventral 

 pseudohfemal vessel {a\ and the testicular follicles 



(*. h). 



^^ 4. — Subcuticular glands from the ventral integument of 



Antinoe prcBclar a, X 300. 

 ,, 5. — Developing ova of Thormora argus. 



Plate VII. 

 Fig. 1. — Head and anterior portion of the body of Hermione 

 hrachyceras, from the dorsal aspect, magnified, a, 

 mesial tentacle ; c, tentacular ventral cirri of the 

 first somatic segment. 

 2. — The same, from below in front. «, mesial tentacle ; h, 

 buccal tentacles ; c, ventral cirri of the first somatic 

 segment. 

 ^^ 3, — Setse of the same x 1b\ a, ventral setse; h, c, d, 

 dorsal setse. 

 4. — Head of Hermione (Aphregenia) dolichoceras, from below 

 magnified, a, base of mesial tentacle ; h, lateral 

 tentacles ; c, parapodium of first somatic segment. 

 5. — Extremities of the tentacular cirri of the first segment 

 of the same, more highly magnified ; a, dorsal ; b, 

 ventral. 

 ,j 6. — Dorsal set£e of the same, X 200. 

 J, 7. — Ventral seta of the same. 



8. — Head and anterior portion of the body of Triceratia 

 arcBoceraSy from below, magnified, a, prajstomial 

 tentacles ; i, peristomial tentacles (buccal cirri) ; 

 c, tentacular cirri. 



,, 9. — Ventral seta of the same, x 75. 

 ,, 10. — Dorsal seta of the same, x 75. 



,, 11. — Section of the mucous membrane of the gizzard of th© 

 same, x 375. 



