1916. | J. STEPHENSON : Indian Oligochaeta. 315 
Gen. Lampito. 
Lampito mauritii, Kinb. 
Trivandrum ; numerous specimens taken on a number ef occasions. 
Cape Comorin, 7-xi-1911. Several specimens. 
Under stones by tank, Museum compound, Calcutta, 9 and 11-iv-19g10 
(Ff. H. Gravely). 
In mud in flower-pots, Ross I., Andamans, 26-11i-1g11 (C. Paiva). <A 
single specimen. 
Siliguri, base of E. Himalayas, 3—4-vi-rgr1 (V. Annandale and S. VV 
Kemp). Three specimens. 
Lampito dubius, sp. nov. 
(Plate xxcxinaig. @) 
Kurseong, E. Himalayas, 4700 ft., 14—17-iv-1g11 (NV. Annandale). A 
single specimen. 
External Characters.—Length 106 mm., but originally more, 
as the hinder end was regenerated. Breadth6 mm. Colour slate 
blue, slightly lighter on the ventral surface. Segments 94 plus 40 
regenerated, and in addition a small undifferentiated zone. 
Prostomium epilobous 4; the sides of the tongue, wide apart 
anteriorly, almost meet behind at an ovules angle. 
Dorsal pores from 6/7. 
The setae are disposed in rings, the dorsal break being small, 
about equal to 2yz, irregular, or sometimes absent. ‘There is no 
ventral break, and the ventral setae are smaller and closer together 
than the dorsal The numbers counted were as follows:—gr/v, 
88/ix, 69/xti, ca. 81/xix, 82/xxvi. 
No clitellum was visibie. 
The male pores are on segment xviii. The midventral portion 
of the segment is pale in colour and presents a short transverse 
groove just behind the line of the setae, the setae being on the 
sloping anterior wall of the groove. In the groove are two small 
slits, the male pores, close to the midventral line. A few setae in 
the neighbourhood of the slits appeared to be lost, but none seemed 
to be transformed. 
The female aperture is represented by a slight transverse 
depression midventrally on xiv, a little in front of the line of the 
setae, but no opening was distinctly visible. 
The spermathecal apertures were indistinct, close topethes? 
but slightly wider apart than the male pores, in 7/8 and 8/9. They 
seemed not to have pierced through to the exterior. 
Internal Anatomy.—Septum 4/5 is present, but thin; 5/6, 6/7 
and 7/8 are slightly strengthened, 8/9 is moderately thickened, 
and all succeeding septa down to 15/16 are considerably strength- 
ened. After this the thickness gradually diminishes, but some 
strengthening is visible as far as 28/209. 
The gizzard is large and firm, and takes up two segments, v 
and vi. There are firm lateral swellings of the oesophagus in seg- 
ments x to xiii, which when opened present on their inner walls 
