42 Edward F. Malone. 



PLATE I. 



Homo. Seeies AC. 



Magnification of Figs. 1 to 4 = 5 diameters. 

 Magnification of Figs. lA to 4A = 2 diameters. 



• = Cells of the nucleus tubero-mammillaris (formerly known as nucleus 



mammillo-infundibularis) . 



• = Cells of the substantia grisea ventriculi tertii. 



A = Cells of the nuclei tuberis laterales (n. t. 1.). (Examine with baud 



lens ) . 

 O = Cells of the ganglion opticum basale (g. o. b.). 

 Q = Cells of the corpus hypothalamicum (Luysii). 



