Foraminifera of Tidal Rivers. 307 
EXPLANATION OF PLATES IV.-XII. 
PLAT 
Fig. L Cypris ventricosa era d seen dion the left side. 
Fig. 2. The same, seen from belo x 20. 
Fig. 3. The same, seen from be hind. 
Fig. 4. Cypris ——— (female », seen from the left side. 
Fig. 5. The same, seen from abov 
Fig. 6. The same, seen from the x40 
Fig. 7. Cypris Lignes ( ee 5, ides from the left side. 
Fig. 8. The same, seen 
Fig. 9. The e. seen res beled. 
Prate V. 
Fig. 1. ^ pape Spis ew 24 , seen from the left side. 
Fig. 2. The , seen fro x 50. 
Fig. 3. The i dim 
Fig. 4. phoma hyalina ‘le, superior antenna, 
Fig. 5. The same, inferi 
rhe 6. The aa es oop a ee 
Fig. 10. The same, glandula mucosa a (male). x 210. 
Fig. 11, The same, copulative organs (male). x84. 
Prarr VI. 
Fig. 1. [Mp sexa Aces P), seen from the left side. 
m 2. The sam 
5. The es right valve, from inside. 
side. 
5 7a. The same, S pA valve, superior wpa seen from above. > X84. 
g e same le 
Fig. 8 a. The same, left valve, inferior margin, seen from below. 
Fig. 8 b. The same, right va 
Fig. 9a. The same, right imd posterior margin, seen from be- 
Fig.9 b. The same, left valve, ” » ” w 4 
Prats VII. 
Fig. k Polycheles Stevensoni ene seen from the left side. \ 
Fig. 2. The same, seen from ab 
Fig. 3. The ennn, e from below. x 40, 
Fig. 4. The n from the fron 
Fi p 5. Ts mido eae! ?), seen bak the left side. 
d 
7 spor 
Fi. 8. Candona Supani (ema) seen | qum above. x 40. 
A Ii. "rne sam: seen n fo a vie x84. 
20* 
