462 Journal of the Asiatic Socrety of Bengal. (December, 1913. 
relatively far back on the head, being in Jine with the angle 
formed at the junction of the head and the trunk; they are 
closer to one another than to the side of the body, and no 
pigmentless area is distinguishable round them. 
The auricular sense organs are not visible in the whole 
animal, but in section they are present as a patch of ciliated 
epidermis, devoid of rhabdites, with an underlying nervous 
felt-work situated at about the level of the eyes. 
As a rule the animal tapers rather suddenly to a blunt 
point posteriorly. The gut is varied in appearance, sometimes 
lobate terminations to fine branches. The pharynx varies in 
position from the middle to almost the posterior extremity. 
Gonads are completely absent. 
Planaria barroisi, n. sp. (Pl. xxvi, fig. 7.) 
Among the Palestine collection was a planarian which 
probably corresponds to the ‘‘ planaire noire indéterminée”’ 
referred to by Barrois! as being found in the Lake of Tiberias. 
nly a single specimen was collected, and from its brittle and 
contorted body appears to have been dead when collected; in 
Beas auricular sense organs are very clearly seen as elon 
gated clear areas exactly on the lateral head lobes. 
2 p mouth, the only aperture on the ventral side, is placed 
Speier: Pipripiid end, and in front of it is the pharynx, 
is to ha a and °5 mm. wide, no trace of reproductive organs 
In colour, dorsall : 
. » dorsally the animal is a very dark brown, 
pd gi black in spirit ; ventrally the colour is somewhat 
aa _-t appears to be quite a distinct species from P. tibert- 
, Snce its size, colour and particularly the prominence and 
' Th. Barrois, * Contributi s : ES 
: : > ution & |’étud de Syrie- 
Revue Biologique du nord de Ja France T 1. hove eon ges 
