Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
Fig. 
‘NOTES ON A NEW LAND PLANARIAN. 123 
EXPLANATION OF THE PLATE. 
1.—Coloured sketch of the animal in the preserved state, 
seen from the dorsal side. 2. 
2.—Ventral view of the animal ; the mouth and the genital 
opening are represented at the middle and the hinder 
part of the sole. x 2. 
. 3.—Enlarged dorsal view of the head-end, to show the 
glandular ridge, the eyes, and the apical (sensory) 
organ. X 14. 
. 4.—Enlarged ventral view of the head-end, to show the sole 
and the paired ciliated organs on the sole. 14. 
. 5.—Portion of the epidermal layer, taken from a lateral side 
of the skin. x 400. ch chondrocysts, ep erythro- 
phile glands, rm rhammites. 
. 6.—One of the median sagittal sections of the head-end. 
x 40. br brain, cp cyanophile glands, g anterior 
termination of the gut, mg glandular margin and 
marginal glands, npl nerve-plexus of the skin, rd! 
rhabdites-layer below the sensory margin (sm). 
7.—Cross-section through the: ciliated organs. x 40. 
co ciliated organs, g gut, pm longitudinal paren- 
chymatous muscles, mg marginal glands and 
glandular margin, n nerve-cords, s sole in section. 
8.—Portion of the ventral side of the head, taken from 
a median saggittal section of the head. x 400. 
mg marginal glands and glandular margin, mg ' second- 
ary marginal glands, npl nerve-plexus, rd and rd‘. 
outer and inner rhabdites-layers, sm sensory margin. 
9.—Portion of the head-apex with the apical sense-organ, 
taken from a median saggittal section of the head-end. 
x 230. ao apical organ, mg marginal glands, npl 
nerve-plexus. 
10.—Ciliated organ in a cross-section. x 400. dm dermal 
longitudinal muscles, rm rhammite, s sole-epithe- 
lium. 

