MALARIA EXPEDITION TO NIGERIA 19 
FiSaria evansi. Lewis 
A description or this species 1 or which the male and female are known, is not 
procurable. The worms were found in the lung and mesentery of a camel at 
Madras, the pulmonary arteries being obstructed by masses of tangled worms — the 
blood containing number embryos similar to those of F. bancrofti. 
FiOaria lachrymal! is. Guret 
Syn. F. bovis, Baillet. F. palpebrarum, Raillet. A whitish cylindrical 
worm, slightly tapering at each end. Cuticle transversely striated. Mouth small, 
simple, followed by a cylindrical buccal cavity. Anus almost terminal. Male 
10-14 mm - l° n g> tail bowed, has two very unequal spicules. Female isi 5-24 mm. long, 
has a straight conical tail. Vulva about 1 mm. from anterior end. Ova ellipsoid, 
hatch inside the uterus. Embryos 210-230 // long. 
Life history unknown. The adults live in the lachrymal-duct of cattle. 
Filaria palpebralis, Wilson 
Has a white cylindrical body, slightly tapering at each end. Cuticle has fine 
transverse striations. Small, simple mouth. Anus almost terminal. Male 8-12 mm. 
long, tail curved ; bears three pairs of post-anal of papillae and two unequal spicules. 
The female is 14-22 mm. long, and has a straight conical tail ; the vulva is at 
o*6o-o - 70 mm. from the anterior end. Ova are ellipsoid hatch under the uterus. 
Embryos have a length of 120-170 /u. 
Life history unknown. The adults have been found in the excretory ducts of 
the lachrymal glands and under the eyelids of the horse. 
Filaria osleri. Cobbold 
Syn. Strongylus bronchia/is cams, Osler. 
Body filiform ; mouth surrounded by two or three lips behind which are 
three unequal papillae ; pharynx swollen. The male is 5 mm. long and has a rounded 
posterior end ; and two unequal curved spicules. The female is 9-15 mm. long, 
tapers at each end ; anus almost terminal ; vulva immediately in front of anus ; the 
worm is ovoviviparous. 
Life history unknown. The adults were found by Osler to be the cause of 
an epizootic bronchopneumonia in dogs at Montreal. Rabe and Rum berg had 
previously observed the worm in small nodules in the mucous membrane of the 
respiratory passages, each nodule containing several male and female worms. 
1. Lewis. Remarks on a Nematoid Haematozoon discovered by Dr. Griffith Evans in a Camel. Proceedings of 
the Asiatic Society of Bengal, 18S2, p. 63. 
