TABLE OF THE PLATES. 
V 
7 
MOLLUSCA. 
Plate 17. Fit*. 5. — Monophora rudis, Quoy and Gaym. 
Fig. 6. — Phylliroe rubra, Quoy and Gaym. 
Vol. III. Page 
. 51 
. 52 
Plate 18. Fig. L— Eolidia c<erulesceNs, Laurillard . . 42 
Fig. 2. — Cavolina peregrina, Gmel. . . 42 
Fig. 3. — Tergipes lacinulatus, Cuv. . . .43 
Fig. 4. — Busiris griseus, Risso . . .43 
Fig. 5. — Placobranchus ocellatus, Quoy and Gaym. ; Placo- 
branchus Hasseltii . . .43 
Fig. 6. — Phyllidia trilineata, Cuv. . . 44 
Fig. 7. — Diphyludia lineata, Otto . . .44 
Plate 19. Fig. 1. — Trochus agglutinans, Lin. 
Fig. 2. — Trochus niloticus, Chem. 
Fig. 3. — Trochus obeliscus, Chem. 
Fig. 4.— Turbo pica, Lin. 
Fig. 5. — Ampullaria carinata, Oliv. 
Fig. 6. — Helicina neritella, List. 
Fig. 7. — Melania coarctata, Lam. 
54 
54 
54 
55 
59 
60 
60 
Plate 20. Fig. 1 . — Trochus pagodus, Chem. . . .54 
Fig. 2 . — Trochus imperialis, Chem. . . 54 
Fig. 3 . — Rotella monilifera, Lam. . . .54 
Fig. 4 . — Trochus iris, Chem. . . . 54 
Fig. 5 . — Trochus concavus, Chem. . . .54 
Fig. 6 . — Trochus telescopium, Chem. . . 54 
Fig. 7 . — Solarium perspectivum, Lam. . . 55 
Fig. 8 . — Turbo rugosus, Lam. . . .55 
Fig. 9 . — Delphinula bistarta, Lam. . . .56 
Fig. 10 . — Turitella duplicata, Lam. . . 56 
Fig. 11 . — Scalaria pretiosa, Lam. . . .56 
Fig. 12 . — Cyclostoma elegans, Lam. . . 57 
Fig. 13 . — Valvata planorbis, Drap. . . .57 
Plate 21. Fig. 1 . — Paludina vipipara, Lin. Cuv. . . . 58 
Fig. 2 . — Littorina littorea, Lin. . . .58 
Fig. 3 . — Monodon labeo, Adans. . . . . 58 
Fig. 4 . — Phasianella Ferussacii, Payr. . . 59 
Fig. 5 . — Ampullaria guyanensis, Lam. . . . 59 
Fig. 6 . — Lanistes carinata, Oliv. . . .59 
Fig. 7 . — Helicina neritella, List. . . . . 60 
Fig. 8. — Opercule of the Helicina striata, Blainv. . 59 
Fig. 9 . — Helicina pulchella, Gray . . .59 
Fig. 10 . — Melania amarula, Lam. . . . 60 
Fig. 11 . — Melania truncata, Lam. . . .60 
Fig. 12 . — Rissoa lactea, Michaud . . . 60 
Fig. 13 . — Melanopsis buccinoides, Fer. . . 60 
Fig. 14 . — Pirena spinosa, Lam. . . . . 60 
Plate 22. bis. Fig. 1 . — Conus generalis . . . . 60 
Fig. 2 . — Conus mushelirus . . . .66 
Fig. 3 .— Conus nutratus . . . . 66 
Fig. 4 . — Conus textile . . . .66 
Fig. 5 . — Conus imperialis . . . . 66 
Fig. 6 . — Terebellum convolutum, Lara. . . 67 
Fig. 7 . — Volvaria monilis, Lin. . . . 68 
Fig. 8.— Marginella faba, Bl. ; Volutafaba, Adans. 
Fig. 9.— Marginella lineata, Bl. ; Voluta Marginata 
