36 
Young hyena — Very few hookworm ova, segmented. 
(Only one ovum in five slides.) 
Grizzly bear — Few cestode ova. 
Male blue bear — Motile larvae (hookworm or 
strongylus) . 
Domestic cat — Maltese — Numerous nematode ova. 
Domestic cat — Black — Few nematode ova. 
The following animals showed no signs of intestinal 
animal parasites of any kind: — three lynx, three lions, 
four leopards, one civet, two tigers, two hyenas, one blue 
bear (female), two kaffir cats. 
Out of 26 wild animals, then, less than one-third were 
infested. Those infested showed either large numbers of 
relatively nonpathogenic parasites or small numbers of 
more pathogenic ones, with the exception of the jaguars. 
It is not felt, therefore, that the benefit to be derived from 
treatment would be commensurate with the danger to 
these animals which arises when they are restrained. 
Special treatment for the badly infested jaguars was 
unsuccessful, the beasts refusing meat in which malefern 
was concealed, but we are successful in regularly ad- 
ministering santonin. 
The domestic cats, it will be noted, showed but one 
kind of ovum (the common round worms of cats) and 
cannot be considered as disseminators of animal parasites 
there. 
The feces of the Canada lynx adjacent to the puma 
cages were also examined. One was quite free of parasitic 
ova, a second showed extremely small numbers (one in 
two slides) of ascaris ova and the third very small numbers 
of hookworm ova (one in one slide). Only the latter 
causes us any concern, but they are in very small numbers, 
and conditions in their cage are not suitable for the 
development of the dejected ova into worms. 
Nonpathogenic Avian Arachnoids. 
During the routine examination of newly arrived 
parrots' droppings for spiroptera ova we found several 
species of arachnoids. Two golden-crowned conures were 
