...gin entomology with Dr. Perty, from three to four, three times a week. From one to two o'clock on Saturday we have a lesson in experimental physiology, plainly speaking, in animal dissection, from Dr. Oesterreicher , a young Docent, who has written on the circulation of the blood. As Agassiz dissects a great many animals, especially fishes, at the house, we are making rapid progress in comparative anatomy. A...