The basset hound is second only to this dog breed in having the keenest sense of smell
... and the portion of their brains responsible for the sense of smell is 40 times that 
... As a basset hound trots across the ground, its ears help bring smells ... Bassets 
can keep their noses on the trail of a scent without having to... [DOC] [TLE] The Basset Hound | Modern Dog magazine [PAR] However, looks can be deceiving, and the Basset Hound is anything but morose.