78 
Psyche 
[June-September 
Lebanon: Type locality: Wadi Jahnam (N.W. Tripoli 
province), vil ’52 (2 specimens). Also taken from 2 km. 
E. Rayak, vil ’52. 
Isotoma notabilis Schaeffer 
Isotoma notabilis Schaeffer 1896. Mitt. Naturh. Mus. Hamburg 13:187. 
The specimens at hand agree well with available descrip- 
tions and specimens of the species. A few minor chaetotaxy 
differences could be seen, notably the absence of a pair of 
long setae on the second and third abdominal segments. A 
few specimens showed three eyes per side rather than the 
normal four. The species is widespread throughout Lebanon 
and Latakia but is oddly absent from the coastal plain 
area. 
Distribution : LEBANON : Hadeth Cedars, Vil ’53 ; B’Charra 
Cedars, IV ’53, Ain Z’Halte Cedars, vil ’52 & xi ’52; Kam- 
mouha, vil ’52; Barouk Cedars, VI ’53; below Bakich, v 
’53; Souk el Gharb, vm ’53; Vic. Beit ed Dine, xi ’53; 
Bikfaya, vm ’53; 2 km. E. Rayak, vil ’52; Antelias source, 
xi ’52; Rahbeh B’kaa, ix ’52. Syria: Latakia, oak grove 
below Turkish border. 
Isotoma viridis Bourlet 
Isotoma viridis Bourlet 1839. Mem. Soc. Roy. Sci. Agric. Arte Lille :401. 
Isotoma turkestanica Stach 1947. op. cit. :355, 366. (New Synonymy). 
The specimens agree on the whole very well with figures, 
descriptions and specimens previously identified as this 
species. Certain variations are worthy of note. First there 
are on most specimens clearly visible fine ciliate setae on 
the dens. In addition to this about half the specimens have 
the anteapical teeth not on a level. A last character of note 
is the p.a.o. In most, but not all, specimens this organ has 
a thickened margin of irregular shape. The pattern of the 
specimens is either of the type called decorata by Brown 
or in the form of stripes across the posterior margins of 
the segments. 
The occurrence of the ciliated dental setae and the 
displaced anteapical tooth raises a serious question in 
connection with Stach’s I. turkestanica. This form, briefly 
described in his key and without figures or further de- 
scription in the text, differs from viridis by the occurrence 
of ciliated setae on the dens and the feet. In addition he 
