"^'iSi!^,i:t" ^MMm in the Uni.

PLAGIOSTOMATA. 87
Fam. 2. LAMNID^S.
Group A. LAMNLTSTA.
12. Lamna (Cuv.), with 3 Species.
13. Carcharodon (M. & H.), with 1 species.
14. Odontaspis (Agass.), with 2 species.
15. Alopecias (M. & H.), with 1 species.
Group B. SELACHTNA.
16. Selache (Cuv.), with 1 species.
Incertse sedis, Pseudotriaeis microdon (Capello).
Fam. 3. RHINODONTIDA
18. Rhinodon typicus (Smith).
Fam. 4. NOTIDANIDA
19. Notidanus, with 4 species.
Fam. 5. SCYLLIID^:.
20. Scyllium (M. & H.), with 11 species.
21. Pristiurus (Bonap.), with 1 species.
22. Ginglymostoma (M. & H.), with 4 species.
23. Stegostoma (M. & H.), with 1 species.
24. Parascyllium (Gill), with 1 species.
25. Chilosyllium (Gthr.). with 4 species.
26. Crossorhinus (M. & H.), with 3 species.
Fam. 6. CESTEACIONTIDJE.
27. Centracion (Cuv.), with 4 species, one of which is new (C. galeatus),
from Australia, p. 416.
Fam. 7. SPINACID.ZE.
28. Centrina (Cuv.), with 1 species.
29. Aeanthias (M. & H.), with 3 species.
30. Centrophorus (M. & H.), with 9 species.
31. Spinax (M. & H.), with 2 species.
32. Centroscyllium (M. & H.), with 1 species.
33. Scymnus (Gthr.), with 1 species.
34. Lcemargus (Gthr.), with 2 species.
35. Euprotomicrus (Gill), with 1 species.
36. Echinorhinus (Blainv.), with 1 species.
37. Isistius (Gill), with 1 species.
Fam. 8. RHINID^E.
38. Rhina squatina (L.).
Fam. 9. PBISTIOPHORIDJE.
39. Pristiophorus (M. & H.), with 4 species, three of which are new, viz.
P. nudipinnis, from Tasmania, p. 432; P. owenii, hab. — F, p. 432;
and P.japonicus, p. 433.
Second suborder BATOIDEL
Fam. 1. PmsTiDiE.
1. Pristis (Lath.), with 5 species.
Fam. 2. RHIHOBATIBA
2. Rhynchobatus (Gthr.), with 2 species.