448 EXPLANATION OF PLATES. 
FIGURE. PAGE, 
7, 8. Aviculopecten (Huchondria) neglectus, Meek and 
Worthen, Carbonif. ; Ills., » 291 
9. Streblopteria levigata, 'M Coy. Carbonif. ; Treland, . 292 
10, 11. Saintia Munieri, Raine. Eocene ; Paris, : . 296 
12. Anomianella proteus, Ryck. Carboniferous : Belgium, 294 
PrAarn 133: 
13. Pecten pallium, Linn. Philippines, . : ; . 288 
14. Pecten purpuratus, Lam. Peru, . é ‘ : . 288 
15. Pecten (Dentipecten) plica, Linn. China, . : . 289 
16. Pecten (Chlamys) islandicus, Chemn. England, . 289 
17. Pecten (Liropecten) nodosus, Linn. W. Indies, . 290 
18. Pecten (Pseudamussium) pseudamussium, Lam. W. 
Africa, : : : : . 290 
19°) Pecten (Pleuronectia) Japonicus, Gmel. Japan, . 290 
20. Pecten (Vola) dentatus, Sowb. W.Columbia, . . 290 
21. Hemipecten Forbesianus, Ads. and Reeve. Sooloo Sea, 290 
22, 23. Hinnites sinuosus, Linn. Europe, 2 : - 291 
24, Anomia ephippium, Linn. Europe, U.S., . ; . 292 
25. Anomia (Patro) elyros, Gray. Australia, . : . 292 
26. Placunanomia (Monia) Zealandica, Gray. N. Zealand, 294 
27, 28. Diploschiza cretacea, Conr. Cret.; Alabama, . 295 
29, 30. Ostrenomia Carolinensis, Conr. Eocene; N.Caro., 295 
31. Placena (Placenta) orbicularis, Retz. Philippines, . 295 
32, 33. Hemiplicatula solida, Desh. Eocene; Paris Basin, 296 
34. Ostrea Virginica, Linn. United States, . : » 297 
Piate 134. 
1. Muscular system of Waldheimia australis, Quoy. a,a, 
adductor muscles; 7, cardinal muscles; #, accessory 
cardinals; p, ventral pedicle-muscles; p’, dorsal 
pedicle-muscles ; z, capsular muscles; 0, mouth; v, 
vent; /, loop; ¢, dental socket, . : 301, 309 
2. Terebratula maxillata, Sowb. Fossil. Bath Oolite ; 
3, 4. Terebratula Phillipsii, Morris. Jurassic; Aarau, . 308 
5. Terebratula sella, Sowb. Cret.; Europe. . : . 308 
6, 7. Terebratula vitrea, Linn. Mediterranean,  . . 308 
8 10. Terebratula (Py gope) diphoides, d’ Orb. 808 
11. Terebratula (Pygope) diphya, Colonna. }. Alpenkalk; 
yrolk- 308 
12. Terebratula (Coenothyris) vulgaris, Sehloth. Muschel- 
kalk; Wurzburg, : . 308 
13. Dielasma elongata, Schloth. Zechstein, Humbleton, 
England, . : ; . 308 
14-16. Terebratulina caput- serpentis® ‘Linn. Boreal Seas, 309 
17. Waldheimia australis, Quoy. 3. Port Jackson, Aus., 309 
