EXTERMINATING THE TEXAS-FEVER TICK. 8) 
Figs. 1 to 7.—Cattle ticks in various stages. 1. Full-grown female tick, engorged and ready to drop to 
ground and deposit eggs. (Magnified 3 times.) 2. Tick laying eggs. One tick may lay as many as 5,000 
eggs. (Magnified 3 times.) 3. Larve or seed ticks after emerging from eggs. (Magnified 9 times.) 4. 
Young ticks before (a) and after (b) first molt. At this stage the ticks have attached themselves to a host 
(cow, steer, etc.), and have changed from a brown color to white. It will be noticed that the tick has 
six legs before molting and eight afterwards. (Magnified 9 times.) 5. Young tick nearly ready to 
undergo the second molt. The tick at this stage is known asa nymph. (Magnified 6 times.) 6. Male 
tick. (Magnified 6 times.) 7. Female.tick after second molt. This tick is now sexually mature and 
slightly larger than the male, but will later greatly increase in size until ready to drop to the ground and 
deposit eggs. (Magnified 6 times.) 
7703—Bull. 378—09——2 
