H. G. Wells 
A Slip Under the Microscope [EPUB ebook] 

Outside the laboratory windows was a watery-grey fog, and within a close warmth and the yellow light of the green-shaded gas lamps that stood two to each table down its narrow length. On each table stood a couple of glass jars containing the mangled vestiges of the crayfish, mussels, frogs, and guinea-pigs upon which the students had been working…