VE 7 i | i es 
Inf SP) 
Ilyp eZ 
Fic. 30. Brain or Atticator. (A, dorsal; B, ventral; and 
C, lateral view.) (From Wiedersheim, slightly altered.) 
VH, cerebral hemispheres, each of which gives rise postero-laterally to a 
hippocampal lobe partially overlying the corresponding optic tract, 
Tr.opt; ZH, thalamencephalon; MH, optic lobes; HH, cerebellum; 
NH, medulla oblongata; J-XJI, cranial nerves; 1, z, first and second 
spinal nerves; B.ol, olfactory bulb; Tro, olfactory tract; G.p, para- 
physis; Jf, infundibulum; Hyp, hypophysis; Med, spinal cord. 
