321 
first group has the blepharoplast close to the nucleus. Its measure¬ 
ments are:— 
Posterior extremity to nucleus 
Measurement III 
ff 
ff 
if 
IV 
V 
VI 
Total length of the parasite 
Width of nucleus 
... 5 5 to IO’OyU 
... i*6 to 2'7/x 
... iro to 20'0/z 
... Il'O/i. 
... 3 3 to 4*4/* 
... 28’5 to 43‘o/i 
I 6 tO 2‘2 fji 
The other form of T. inopinatum has the blepharoplast posterior 
to the nucleus, and measures as follows:— 
Measurement 
I ... 
II ... 
III ... 
IV ... 
V ... 
VI ... 
Total length of the parasite 
Width of nucleus ... 
•8 to I2’0yx 
... 2'0 to 4 ’ 4 /i 
2’0 to 2‘2yU. 
... i3’2 to i6'o/i 
I2’0 fX, 
... r6 to 3’3/x 
... 32*5 to 49*0//. 
i’6/i 
The body of both forms is pointed at both ends, or is sometimes 
somewhat blunt at the posterior end. I he blepharoplast* is of the 
usual structure and is situated in a plane common to the nucleus, or 
posterior to it. The nucleus is round and sometimes occupies the 
whole width of the body, and sometimes not. The posterior part of 
the body tapers gradually, and at the level of the blepharoplast the 
body is widest. The undulating membrane is never very full in these 
forms. 
Forms resembling T. sanguinis 4 (Plate XXVI, fig. 27) are present. 
I hey seem to be a further development of T. inopinatum , since every 
gradation exists between these two forms. The undulating membrane 
>s the most striking feature. Its thickened edge arises from the 
blepharoplast and extends transversely across and beyond the body 
to border the wide membrane. The blepharoplast is in the same plane 
a s the nucleus. The measurements are as follows: 
•That is, it consists of 2 to 4 or more granules embedded in a matrix and 
surrounded by a clear area. 
