Plate 113. 



Fig. 1. Nefxni.thia jovlnni; abnctinal surf:u-t% eiilai-j;('(l, p. 423. 



2. Same ; actinal surface, enlarged. 



3. Ncpdiitliia niaculata: ahactinal sui-racc, ciilai'mMl, p. 422. 



4. Same ; actinal view, enlarged. 



