EXPLANATION TO PLATE XXIII. 



FIG. I. Aylaoplietiia raHtulomt Kirchenpanei ; greatly enlarged). (After Kirrlienpaiier.) 



L'. .li/l/miilieiiia tM-limirpa Nutting. Part of hydrocladium (enlarged i. 



3. Aylaopheiiiu oclix tn IHI. llyilrothera (greatly eularged). 



4. Aglaoplieiiia m-locurpa. Front view of stem (enlarged). 



5. Jglaoplieuiti oHorarpa. Corlmla (enlarge;!). 



6. Jiilanpliniiu i/rai-illiiiia l-'ewkes. 1'art of bydroeladiuin (iMilarged). 



7. Aglauplieiiia i/i-arilHina. Hydrotheea (greatly enlarged). 



8. Ai/laoplieniu /irnciUiiiia. Corbula (enlarged). 



9. Aglitoplitiiiia m-uala Ki-wUes. Part of hydrocladiiini (enlarged). 

 10. Jglaoplicuia crenata. Hydrotbeea (greatly enlarged). 



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