328 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



EXPLANATION OF PLATE XXXVL 



Fig. 20. Anonyx nugax. 



Fig. 20. Terminal portion of abdomen, seen from above. 



Figs. 21-24. Aniphithoe scitula. 

 Fig. 21. Outline of body. 

 Fig. 22. Maxilliped. Some of the spines near the tip of the outer 



plate have been broken off. 

 Fig. 23. First gnathopod. 

 Fig. 24. Second gnathopod. 



Figs. 25-28. Acanthostepheia behringanus. 



Fig. 25. Anterior portion of body. 



Fig. 26. Abdomen. 



Fig. 27. First gnathopod . 



Fig. 28. Telson and sixth abdominal segment, seen from above. 



Figs. 29-31. Styloniscus gracilis. 



Fig. 29. Outline of body. 



Fig. 30. MaxiUiped. 



Fig. 31. First pereiopod. 



