400. That’s an error.

Google cannot redirect you to http://worldcat.org/search?q=Medico-Chirurgical+Transactions,published+Royal+Medical+Chirurgical+Society+London.Second+Series.Volume+Eighth+royal+medical+chirurgical+society+london. because the request was invalid.

This might be because the link was created a long time ago. Try your search again on Google. That’s all we know.