PLATE XV. 



Fig. 



1, 2. Hornera frondiculata, p. 102. 



3. striata, p. 103. 



4. ,, rkomboidalis, p. 103. 



5. IdmoiH'a /tunctata, p, 104. 



6. fenestrata. p. 105. 



7. ,, intricaria, p. 106. 



fJclicatula, p. 106. 



