EXPLANATION OF PLATE XLIL 



l-"i<^ 1. — CiTiitomia (uiiijiiti>r, stajre I, highly magnified. 



Km;. 2. — Ccniloiiiiit mni/nlor, head and four tnmli segments, stage II, magnitied; 2o, end of the stage (14 mm. long 



2lj, end of the body, showing the caudal horn, and .syj, suranal plate; ((, anal leg. 

 I'm. :i. — I'iiiiiii<i)< mijojis, caudal li(jrn in last stage; 3o, end of the tip, from above and from the extreme of the tip. 



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