Puzzle 17

Sherlock Holmes' loyal companion, Dr. __

Largest EU river, ancient Roman border

Easy, not elaborate, not ornate, uncomplicated

1986 Sci Fi sequel starring Sigourney Weaver

Handel's first name

An advert normally at the top of a web page

Serious criminal offense

Clean __, lacking facial hair of any kind

Japanese motorcycle company (also makes music!)

Botticelli's first name

Alloy used for joining metals together

__ seed, popular Middle Eastern, Asian candy

__ 5, ESA's launch rocket for satellites

Aka puma, or slang for woman with younger man

Along with waning describes the Moon's phases

May __ Movement, Beijing protests of 1919