Their study involves, at any rate at present, a large stock of small animals, such as mice and frogs and snakes and guinea-pigs and rabbits, who are given various diseases and then studied with loving attention.

I saw the doctor's menagerie when I went to see him about Frank; they were chiefly housed in a large room over the kitchen, communicating with the doctor's own room by a little old powder-closet with two doors, and the smell was indescribable.

Ranks of cages and boxes rose almost to the ceiling, and in the middle of the room was a large business-like looking wooden kitchen-table with various appliances on it.

I saw the doctor's room also--terribly shabby, but undoubtedly a place of activity.

There were piles of books and unbound magazines standing about in corners, with more on the table, as well as a heap of note-books.