MOXSTKOSiriKS. 



405 



bloodvessels ; this tumour rests on the base of the cranium, the roof 

 of which is absent (Fij^. 109). 



The Ancnccphalian monstrosities — Gurlt's first Order, first Class — 

 are destitute of the encephalon or anything to represent it, and the 

 roof of the cranium is entirely absent. 





rig. 110. 



Cyclopean Moxstuosity : R.am. 



The CycZocc^j/irtZwin monstrosities (xi'x^o?) circle, Ke<l>dk), head) — Order 

 five, Class first of Gurlt — are characterised by the approximation, or 

 more or less complete fusion of the eyes into one organ, with absence, 

 displacement, or deformity of the nose and mouth ; but the ears are 



rig. 111. 



CicLOPEA.v Monstrosity ; Cyclops megaloMomtu archynchiut (Gurlt) : A.ss. 



usually in their natural position, or perhaps are lower than usual. Not 

 unfrequently the nose is absent and the mouth greatly enlarged, while 

 the fusion of the eyes may not be complete (Figs. 110, 111). 



The Acephalian monstrosities — Gurlt's first Class and first Order — 

 are more or less destitute of head, and sometimes of neck, thorax and 

 thoracic organs (Fig. 112). 



