vi SYNOPSIS OF THE MODIFIED 
Venus. Tel. 55,60: Ven. 2, 3, 5 to 9, 12 to 16, 23, 25, 27, 287, 29 
to 32, 36, 37, 40, 50, 51, 52, 54, 55, 56, 61? 66 to 71, 101 to 111. 
Ven. Sup. 1 to 4, 6 to 8, 10, 12, 15.—Apx. ix. 7,8, 14; x. 57; xiii. 
35 to 39, 41, 43, 45, 46: xiv. 33; xv. 45 to 60; xvi. 1 to 49. 
Cardium. Car. | to 7, 11 to 29, 31 to 54: Mac. 17.—Apx. xvi. 50 to 
60; xvii. 1 to 55. 
Cardita (including Venericardia). Ven. 89: Cha. 4, 7 to 10, 15, 16: 
Cha. Sup. 3, 4, 5.—Apx. xvii. 56 to 60; xviii. 1 to 26. 
Cypricardia. Cha. 14,17: Cha. Sup. 1, 2.—Apx. xviii. 27 to 32. 
Isocardia. Cha. 1, 5.—Apx. xviii. 30, 34. 
Cucullea, Arc. 16. 
Arca. Are. 1 to 14,17 to 25. Are. Sup. 1 to 4,7, 8, 12.—Apx. xviii. 
35 to 60 ; xix. I to 17. 
Pectunculus. Arc. 28 to 41: Arc. Sup. 11.—Apx. xix. 18 to 43. 
Nucula. Arc. 26, 27, 42 to 45: Arc. Sup. 5, 6.—Apx. xix. 44 to 
60; xx. T to 18. 
{ibaa te TGs 
Trigonia. Cha. Sup. 6. 
Castalia. Mya Sup. 9.—Apx. xxiv. 12. 
Unio. Mya 25 to 35, 38: Cha. 6: Mya Sup. 1 to 8, 10, 11.—Apx. xx- 
19 to 60; xxi. all; xxii. all; xxiii. all; xxiv. 1 to 10. 
Hyria. Mya 36: Mya Sup. 12.—Apx. xxiv. 11. 
Anodon. Myt. 32 to 35.—Apx. xxiv. 13 to 18. 
Iridina. Myt. 36: Arc. Sup. 9, 10: Myt. Sup. 1. 
Chama. Cha. 12, 18 to 25.—Apx. xxiv. 19, 20. 
Etheria. Ost. Sup. 6. 
Tridacna. Cha. 2.—APpx. xxiv. 21. 
Hippopus. Cha. 3. 
Modiola. Are. 15: Myt. 13, 14, 31, 32, 38 to 41,49: Myt. Sup. 
3, 5.—APx. xxiv. 25 to 30. 
| ea Myt. 7, 8, 10, 12.—Apx. xxiv. 22, 23, 24. 
Dreissena. Myt. Sup. 6.—Apx. xxiv. 31. 
( Mytilus. Myt. 15,19 to 29, 372, 47, 48: Myt. Sup. 2.—Apx. xxiv. 
3 92, 38,'84. 
\_Tichogonia. Myt. 17, 18. 
Pinna. Pin. 1 to 18, 20.—Apx. xxiv. 35, 36. 
Crenatula. Ost. 77, 82: Myt. Sup. 4. 
Perna. Ost. 78 to 81, 83.—Apx. xxiv. 37. 
Malleus. Ost. 58, 59, 60 ?—Apx. xxiv. 38. 
Avicula. Myt. 42, 43, 44.—Apx. xxiv. 39. 
Meleagrina. Myt. 4, 5.—Apx. xxiv. 40. 
