PLATE XXXI. 



Fig. 



I. 



Orchestoidea californiana (Brandt). Male. 



Reference Letters. 



anf . — Antennules. 



anf. — Antennae. 



as. — Anal style. 



hiicc.—yiow\}[v parts. 



ceph. — Under surface of head. 



onb. — Embryo. 



en. — Endopodite. 



ex. — Exopodite. 



gji' , gn" . — Gnathopods. 



/. — Labium. 



la. — '' Limbe anterieur. " 



/, //, ///, /K— Mouth 



Ip. — " Limbe posterieur. " 

 Ibr. — Labrum. 

 m, — Mandible. 

 mp. — Maxilliped. 

 mx' , mx " . — Maxi llae . 

 /', p^, etc. — Pereiopods. 

 //. — Abdomen. 

 pP, pr^. — Pleural lamellae. 

 pip. — Pleopod. 

 up. — Uropod. 

 ur. — Urosome. 

 t. — Telson. 

 parts of embryo (see text). 



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