308 PEOF. W. K. PAEKEK ON THE STEUCTUEE AND 



PL.iTE LXIX. 



Fig. 1. CroGodilus pahtstris (5th Stage) : embryo, 4| inches long. Hyoid arch, outer 



view, X 12 diam. 

 Fig. 2. Same species (5th Stage) : embryo, 5 inches long. Hyoid arch, outer view, X 



12 diam. 

 Fig. 3. The same object (part), basal view of columella, X 12 diam. 

 Fig. 4. Same species (7th Stage): ripe embryo, 10 inches long. Outer view of hyoid 



arch, X 12 diam. 

 Fig. 5. Same species (6th Stage) : embryo, of inches long. Hind part of skull, outer 



view, X 3f diam. 

 Fig. 6. Same skull, inner view of vertical section, X 3j diam. 

 Fig. 7. Same species (7th Stage): embryo, 9 J inches long. Inner view of vertical section 



of skull, X 3 diam. 

 Fig. 8. Part of same, inner view, x G diam. 

 Fig. 9. Same species (7th Stage) : ripe embryo, 10 inches long. Side view of skull, X 2f 



diam. 

 Fig. 10. Same skull, inner view of mandible, X 2| diam. 

 Fig. 11. Same skull, end view, X 2| diam. 



PLATE LXX. 



Fig. 1. Crocodilus palustris (7th Stage): ripe young, 10 inches long. Lower view of 



skull, X 2f diam. 

 Fig. 2. Same skull, upper view, X 2| diam. 

 Fig. o. Crocodilus 1, sp. (7th Stage) : ripe young. Part of base of skull, lower view, 



X 3^ diam. 

 Fig. 4. Part of same object, upper view, x 3^ diam. 

 Fig. 5. Part of same object, lower view, X 3^ diam. 

 Fig. 6. Supraoccipital of same skull, upper view, X 3^ diam. 

 Fig. 7. Crocodilus pahistris {7th. Stage): ripe embryo, 10 inches long. Auditory region, 



outer view, X 5j diam. 

 Fig. 8. Same species (Gth Stage), part of palate of embryo, 6 inches long, X 3^ diam. 

 Fig. 9. Same species (7th Stage): ripe young, 10 inches long. Inside of nasal labyrinth, 



side view, X 2| diam. 

 Fig. 10. Same species (7th Stage): ripe young, 10 inches long. Hyobranchial plate, 



upper view, X 2f diam. 



Fig. 11. Eight prootic of Crocodilus 1, sp., outer view, X 5 diam. 



Fig. 12. Crocodilus palustris (7th Stage): ripe young, 10 inches long. First section of 



head, transversely vertical, X 5 diam. 

 Fig. 13. Same head, 2nd section, X 5 diam. 



