or Bed Particles of the Mammiferous Animals, 109 
l-34?29th, l-3368th, 1 -3309th, and 1 -3200th. Extreme dia- 
meters 1 -4000th and l-3000th, though a very few considerably 
smaller might be seen in the serum. Blood from a vein of 
the fore arm. 
77. Hoolock Gibbon, [Hylohates scyrites,) nearly full-' 
grown female. Most frequent size of the corpuscles 1- 3200th, 
but very variable from 1 -4570th to l-2782nd of an inch. 
Blood from the left ventricle, dried, three days after death. 
78. White Whiskered Gibbon, {Hylobates ?) a 
male, about two-thirds grown. Most frequent diameters of 
corpuscles l-3428th and l-3200th. Extreme sizes I -4570th 
and 1 -2900th. In serum 1 -4000th common ; in weak saline 
solutions still smaller, and many of the edges swelled and 
punctured, so as to form a very remarkable triangular or qua- 
drangular depression in the centre of the disks. Blood from 
the left ventricle of the heart. 
I am informed by Mr. Ogilby that this is a new species 
of Hylobates. 
79. Magot or Barbary Ape, [Pajno sylvanus\ 1 -3428th 
and l-3200th most frequently. Extreme sizes l-4570th and 
l-2900th. Blood from the aorta and vena cava. 
80. Rhesus Monkey, {Macaciis rhesus,) a young male. 
Corpuscles very variable in size, 1 -3200th very common; 
extreme diameters l-4000th and l-2666th of an inch. Blood 
from left ventricle of the heart. 
81. Toque or Chinese Bonnet Monkey, {Macacus radiatus), 
a male, about two-thirds grown. l-3600th and l-3200th 
common size of the corpuscles. Blood from the left ven- 
tricle. 
82. Black Ape, (Macacus niger,) full-grown male. Most 
common diameter of the disks 1 -3554th of an inch; extreme 
sizes l-4572nd and 1 -2965th. Blood from right ventricle. 
83. Hare-lipped Monkey, [Macacus cynomolgus,) full- 
grown male. Most common diameter of the disks 1 -3429th 
of an inch; extreme sizes l-4500th and l-2666th. Blood 
from the renal vein. 
84. Pigtailed Monkey, [Papio nemestrinus,) a female two- 
thirds grown. Most common diameter of disks 1 -3329th and 
l-3555th. Extreme sizes l-4570th and l-2900th of an inch. 
Blood from the portal vein, from the coronary veins, and from 
the right ventricle. 
85. Jacchus Monkey, [Jacchus vulgaris,) adult male. Four 
measurements of three or four in a row, gave the following 
diameters of each disk : l-3552nd, l-3554th, l-3693rd, and 
1 -3555th. Extreme diameters l-4570th and 1 -3000th. 
Blood from a prick of the tail. 
