400 ULULA. 



at the sides, with a short central and two lateral pro- 

 minent lines, converging forwards ; upper mandible 

 within soft until near the tip, and having an elevated 

 central line ; lower deeply concave ; the palatal slit nar- 

 row-elliptical behind, anteriorly linear. Tongue small, 

 narrow, fleshy, sagittate and papillate at the base, its 

 upper surface with a central groove, its tip thin and 

 slightly bifid. Aperture of the glottis papillate behind, 

 oesophagus very wide, thin, of nearly equal diameter 

 throughout, the inner coat smooth and glistening, at its 

 lower part the walls much thickened and studded with 

 roundish glandules. Stomach large, its muscular coat 

 very thin, but with distinct fasciculated fibres, the cen- 

 tral tendons thin but rather large, the inner coat thin 

 and even. Pylorus closed by a thin margin. Intes- 

 tine of moderate thickness, larger at the commence- 

 ment and continuing of nearly the same diameter about 

 a fourth of its length, then gradually contracting to 

 neai' the cceca ; which are of considerable length, and 

 gradually enlarged into an oblong rounded bag ; the 

 rectum wider, and at the end much enlarged and fun- 

 nel-shaped. 



Nostrils medial, lateral, large, oblique, oblong, in the 

 fore edge of the cere, with a tough soft membrane 

 above, and having internally a ridge curved backwards 

 from the inner edge. Eyes very large, obliquely 

 placed ; eyelids with ciliary fringes of small distantly 

 barbed feathers, and broad papillate thin margins, 

 which are discontinued at the two canthi ; both eyelids 

 mobile. Conch of the ear extremely large, extending 

 from the base of the lower mandible to over the middle 

 of the eye so as to form a semicircle. There is an an- 



