\ 
J. Wyman on the Engé-ena. 35 
Essex Institute in Salem. Both of these have been referred to 
me for the purposes of description, and it is the object of this com- 
munication to notice the more important anatomical features of 
this the largest of African Quadrumana, with regard to whic 
ne information is desire 
Cranium I. Mate.—This belonged to an adult Engé-ena,* as is 
sdaliian deci the fact that the teeth are all perfectly developed ; 
yet not to an old one, as appears from the circumstances that the 
Tap the crania of r sri of = be ot and of the cranium 
of a cx abe a Pcaae in -sariohg ae tenths.—Nos. 2, 6, 7 an e in inches and — 
‘Troglodytes g¢ ee i i ed 
Males \Fe s. Male. |Female. Man 
| L pat TT, VV 7 Vil.| Vill. | 1x. 
(a ing of Peon mgt ai Pont to 11-2114 lio 0 10291090! 80 | 79 | 96 
Greatest breath across post-audit- 6 * 6: eH 6: ‘ 5 ‘ 52:56) 50 | 46 | 6-4 
Sma lest aineter behind orbits, 2° 5 3°3 29 27| 25/24) 26 | 28° | Sa] 
across zygomatic } ie 66 nl 64 55/53) 60 | 48 | 57 
Diameter thon outside the middle ) 
su mprecrten i dge, 
| 
From occiput to most proveihent L| ng « 65) 63'61| 54 | 58 | 72 
i ve | 
| 
From sup. orb. ridge to edge of in- Bz . 
thiive siventua dg | 48) | 57 60 40 | 44 | 85 
Breadth of zygomatic fossa, L718 | 1-9, 1:8, 14/15) 13 | Ve | bl 
Inter-orbitar ‘space, Fl] 13 [1-2 1:1) 10)1-1] 08 | 07 | 12 
Trans erse diameter of orbits, 15) 19 | 18 16 14/16) 15 | 16 | 16 
“hacer ea £16) 17 es 1-6) 14/17} 1g | 18 | 18 
alate Pr ts) i 
edge of inca alveols ute oy et ‘Shs Bion eto v4) 
From anter r edge of foram: “ 
1 ara outer edge of i ‘abliive ; . 
eolus, | 
ioe L and V. were the ones bevtight by Dr. Savage to this country—II, V1, 
VIL and VIIL are the crania described by Prof. Owen; IIL and IV. are the crania 
ium 0 
net, Specimen No. 
a : 
fae of the Boston Soc. for Med. iapeoetsict See Datalogie of Society's 
61) 
This cranium does not agree with that figured by Prof. Owen 
in his memoir (Pl. Ixi.) i in the exclusion of the orbits from view 
* Prof. Owen des ignates T. gorilla as the “Great Chimpanzée.” The M s 
testa mu tubing the ona “4 the Gaboon 2 a this species the Engé-ena, a more 
arabl as the: impanzée has been always associated with the black 
