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Intestinal Protozoa in Termites 
to be similar, but this latter species is distinguishable by its greater length 
and more tapering posterior end; and apparently its free flagella are shorter, 
judging from the figures of Leidy and Porter. 
(5) Dinenympha parva sp. nov. (Plate XV, fig. 78, and Text-fig. E, e). 
This is the smallest member of the whole group, measuring 20-45/x in 
length and 3-5 /x in width. The body is slender and appears almost straight, 
excepting the anterior portion, which is often curved or bent back. It appears 
simply twisted, but it is also wound slightly in a spiral in many individuals. 
The ridges on which the flagellar cords are situated are very indistinct, and 
the surface of the body is almost smooth. The nucleus is spherical and is 
situated at the anterior extremity of the body. The axial filament is very 
slender and indistinct, being made out only in exceptional cases, and is found 
at the anterior end only. The endoplasm has a characteristic appearance, 
containing commonly a large quantity of globular bodies taking iron-haema- 
toxylin rather deeply. The peculiar filamentous appendages are found in 
small numbers on the posterior portion, and sometimes also at the anterior 
end. 
This species occurs in Leucotermes speratus and L. flaviceps. No forms 
closely resembling it have ever been described by previous authors. 
(6) Dinenympha porteri sp. nov. (?) (Plate XV, figs. 79-82, 
and Text-fig. E,/). 
The body assumes a fusiform or lanceolate shape, pointed at both ends 
or rather rounded at the posterior end. It measures 25-80 /x in length and 
6-15 n in width. In some forms the body is somewhat flat and its edges are 
rather distinct, while in others the body is fairly thick and no distinct edges 
are recognizable. The axial filament is thick and distinct throughout its 
entire length, and a rhombic enlargement of it can be recognized at the 
posterior end in some specimens (PI. XV, fig. 82). Some individuals are entirely 
naked, as in the preceding species, while in others the filamentous appendages 
are found only on certain portions, or over almost the entire surface of the 
body. As regards the coat of filamentous appendages, and the other characters, 
the following four types are distinguishable. 
Type 1 . The body is lanceolate and edged at both sides, 30-60/x in length 
and 7-15 /x in width. No filamentous appendages are present (PI. XV, fig. 79). 
Type 2. The shape and size of the body as in the forms of the preceding 
type. A group of filamentous appendages, varying from about 12 to 24 in 
number, is found at the posterior end of the body. At the anterior end, 
moreover, one or two pairs of filamentous appendages are found. These 
filamentous structures are commonly longer and thicker than those at the 
posterior end of the body: they differ in appearance from the latter, and in 
some individuals their attachment to the anterior end of the axial filament 
can be made out (PL XV, fig. 80). 
