Homing pigeons were equipped with a pair of small coils around their heads. Birds with an induced field of 0.6 gauss and the south magnetic pole up, oriented toward home normally under both sun and overcast. Birds with the polarity reversed oriented toward home when the sun was visible but often flew away from home under overcast.

Complications from otitis media and mastoiditis continue to occur despite modern antibiotic therapy. We report a case of lateral sinus thrombosis and extension to the subclavian vein following a chronic otitis media. This is the first such report of this complication. The presentation and management of lateral sinus thrombosis are also discussed.

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