April 7 + 

Sectioned a leech. H⁠⸺ has lent me a hand microtome and I have borrowed an old razor. My table in the Attic is now fitted up quite like a Laboratory. I get up every morning at 6 a.m. to dissect. Have worked at the Anatomy of Dytiscus, Lumbricus, another Leech, and Petromyzon fluviatilis all collected by myself. The “branchial basket” of Petromyzon interested me vastly. But it’s a brute to dissect. + 