Zoological Society. ee 
Troglodytes Troglodytes Simia 
Savagei. niger. Wurmbii, 
Adult 
Adult | Adult | Adult | Adult | Orang.| Male. 
Male. | Female.| Female.| Male. | Female. 
ren in. lin. | in, lin. | in. lin. | im, lin. | in. lin. | in. lin. 
Length of the head from the inion, or pos- 
bets plane of the occiput, to themar->11 4,9 0* 7 6/8 0)8 6 10 6 
OP PRO ITCIGONS 800. . 65s ccrs cessen sooo 
Lengel of the head from the inion to the > 
fronto-nasa] suture .........seceseegeeeeees 
Length of the head from the fronto-nasal 5 
suture to the margin of the incisors . 
Transverse diameter of the cranium at 6 
2 
— 
i) 
the post-auditory ridges ............s0+00 
Length of the smallest lateral cae | 
of the cranium behind the orbits ...... 
Length of the os frontis. ........0cccee sees 4 
Length of the sagittal suture.............6.., 3 
Distance hetween the temporal ridges...... 
Diameter of the face at the zygomata ...... 6 
Length Of the zygomatic fossa ............. | 2 
Breadth of the zygomatic fossa............... 1 
Diameter of the face taken from the out- } 5 
* sides of the middle of the orbits ...... 
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Interorbital space ...............ese00: hetaasey 1 
Lateral diameter of the orbit ............... 1 
Perpendicular diameter of the orbit......... 1 
Transverse diameter of the nasal aperture . : 
2 
3 
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Perpendicular diameter of the nasal aperture 
Distance between the infraorbital fora- 
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"| Breadth of the alveolar portion of the 
maxilla superior .....0.. 66.008 besides s2i 
Distance from the inferior margin of | 
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nasal bone to the inferior margin of 
the intermaxillary bones.................. 
Length of the bony palate . ...........6...... a:01 
Distance from the anterior margin of the 
intermaxillary bones to the anterior 
palatal foramen .......... pcb panna trades 
Antero-posterior extent of the palatal| | 1 
process of the palate bone............... 
Breadth of the crown of the first incisor...| 9 
Breadth of the crown of the second incisor 7 
2 
1 
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Breadth of the four incisors (upper jaw) .. 
Length of the grinding surface of all the \ 
molares, the bicuspides included. ...... 
Length of the crown of the canine tooth... 
Breadth of the enameled crown of the 
Serene Obtb dt ic. ci. viwald.cavindic: 0.10 
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|Interspace between the canine and in- 
cisor teeth, upper jawW............s00...00s pO 270° 14 
| Distance from the anterior margin of I 
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the occipital foramen to the posterior 
margin of the bony palate ............... 
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* To front border of premaxillaries. 
+ This varies according to the outswelling of the ethmoidal cells: in one female skull of 
a roy. niger the interorbital space was an inch across. 
$ Of the alveolus. § Base mutilated. | Suture obliterated. © 
