PLATE VII. 



J'Jiijlimmstt'.s c.V'iiHÎn Tjiéet.. 



Fig, 59. Vwiti-îil view, x j. 

 Fig. 60. Loft-side yw\v. x j. 



(Unriiig skotcli, tJie HuiniMl w;is nudergoing ch.-inge iii ;i,))pe;ir;mce 

 ospecially on the surfjice of brim und veutrum ; fig. (30 is drawn in tlic most 

 perfect state), 



Fsolns Sfpioinat/is (Müller). 



Fig. Gl. Ventral view, x f. 

 Fig. G'2. Dorsal view, x |. 



T//f/oite mccllvs (SelenivA). 

 Fig. ()o. Oblique ventral view, x j. 



Trovhostoma andaiaancnsc Walsil 



Fig. G4. Whole view, x }. 

 Fig. (35. Anterior region, x ]. 



X 



