ILLUSTRATIONS 
[All of the figures of the plates are of natural size and are reproduced from the author’* 
photographs made direct from the specimens.] 
Plate I 
Fig. 1. Left pectoral limb of Porphyrio pulverulentus Temminck, seen 
upon palmar aspect. The bones figured on Plates I to III 
illustrating this paper are all from the same individual. 
Adult male, No. 226035, collection of the United States National 
Museum. Paete, Laguna, Luzon, P. I. 
2. The mandible of Porphyrio pulverulentus, dorsal view. 
3. The skull of Porphyrio pulverulentus, superior aspect. See Plate 
II, fig. 10. 
4. The hyoid arches seen from above; the cartilaginous parts of 
the glossohyal have been allowed to remain by the osteologist 
who prepared the skeleton at the United States National 
Museum. 
5. The first ei™ht cervical vertebrae of Porphyrio pulverulentus, 
normally articulated and seen from above. 
6. The right humerus seen upon anconal aspect. 
Plate II 
Fig. 7. Right lateral view of the trachea of Porphyrio pulverulentus, with 
the bronchial extremity and a few rings above it removed. 
8. Left pelvic limb of Porphyrio pulverulentus seen upon outer aspect. 
The patella does not exist in this species, its place being taken 
by a strong fibrous ligament. 
9. The leading eight cervical vertebrae of Porphyrio pulverulentus 
seen from below; they are normally articulated as in life, and 
the upper view of them is shown in Plate I, fig. 5. 
10. Right lateral view of the skull of Porphyrio pulveridentus, with 
mandible dissociated. See Plate I, figs. 2 and 3. 
Plate III 
Left lateral view of the trunk skeleton of Porphyrio pulverulentus, with 
all its bones normally articulated. This gives a side view 
of the remainder of the cervical vertebrae, the anterior one.s 
being shown in Plate I, fig. 5, and Plate II, fig. 9. 
*Plate IV 
Fig. 1. Right lateral view of the skull of Hydrophasianus chirurgus 
(Scopoli) ; adult female, natural size. Mandible detached. 
Paete, Laguna, Luzon, P. I. Collection of the United States 
National Museum. 
2. Hyoid arches of the specimen shown in fig. 1. 
3. Trachea of the specimen shown in fig. 1. 
4. Right pectoral limb of the same individual, seen upon palmar 
aspect. 
5. Right lateral view of the trunk skeleton of the same specimen 
as in the other figures. 
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