Plate V. 



1. NIT 7, S CHI A 



2. TR1CKRAT1UM (probably front view.) 



3. SYNE BRA 

 4.. SYNEDRA 



5. SYNEDRA 



6. NAV1CTJ1.A 



Fig.l. 



i. 6. 



1. TRYBL10NELLA (lit, 



2.3.4.. CYMBELLA 



5 



6 L1CMOPHORA ? 



3 Views. - Same 



3. 



' 



1-. 



Fig. 5. 



1. 2. MELOSlREffi 



3 AULACODIB'CUS 



X 3(10 X !)00 



Kg- 3. 



Fig. 4-. 



W. C. fecit . 



MaTby &Sons,Lilh. 



