Half-length portrait of a seated man, facing the camera. He has dark curly hair and sideburns. In his left hand he holds a book vertically, his finger in a page, his right hand is on his right leg. He wears a dark jacket, dark plaid waistcoat with a watch chain, dark tied cravat, white shirt, paler trousers. His left elbow rests on a cloth-covered table on which also rests a microscope beside which are two eyepieces, a spare objective, and a live box.

agent 649eea2a-c9fc-11e3-8b8f-8f07014a12dc

Half-length portrait of a seated man, facing the camera. He has dark curly hair and sideburns. In his left hand he holds a book vertically, his finger in a page, his right hand is on his right leg. He wears a dark jacket, dark plaid waistcoat with a watch chain, dark tied cravat, white shirt, paler trousers. His left elbow rests on a cloth-covered table on which also rests a microscope beside which are two eyepieces, a spare objective, and a live box.