99 
longer to hatch-out than was noted in the Congo. Many of the 
original ticks are still alive ; they have of course been well and 
frequently fed. One female raised in the laboratory from an egg has 
now been under observation for 25 months; during this period she 
has moulted six times. This seems to be rather less often than is 
usual, since ten out of fourteen ticks raised from the eggs moulted 
six to nine times during the year. Not infrequently ticks do not 
seem to be able to shed their old skin, and die while moulting. As 
a rule the ticks would not feed properly more often than every seven 
to ten days. I icks remained alive on several occasions without food 
for four months, and in one instance for over six months. Adult 
ticks caught before April, 1905, or their progeny, which have never 
been fed upon an infected animal, are still (November 22, 1906) able 
to infect susceptible animals by their bites. 
A mblyomwa hebraeum (Koch), var. splendidum , Gieb. 
i' orty-three males and eight females were taken from a Buffalo 
(Bos nanus ) which was shot in a marsh near Tshumbiri. In life the 
ground colour of this beautiful tick is of a soft green, with brownish 
ornamentation; there is little or none of the irridescence so 
conspicuous in specimens preserved in alcohol. 
Amblyumma variegaium, Fab. 
On cattle, Kasongo (Feb.). Associated with Hyalomma aegyptium, 
Rhipicephalus sanguineus and Margaropus annulaius. 
Amblyomma variegatum ?, Fab. 
A single male was caught on a bovine at Kasongo (Feb.). 
Hyalomma aegyptium, L. 
I liree females were caught on cattle at Kasongo (Feb ). They 
were associated with the preceding species. 
Haemaphysalis l eachi. And. 
I his tick is the recognised carrier of Malignant Jaundice 
(Piroplasnia canis) in dogs. 
Thirteen males and two females were taken from a leopard at 
1 shumbiri by the Rev. Billington (June); and Dr. Etienne sent a 
single specimen (host not mentioned) from Banana (Oct.). 
