( 472 ) 



This uew subspecies differs from C. m. upermologus by the miicU lighter, pure 

 slate-grey uiidersurface. This is especially noticeable on the breast and abdomen 

 and under tail-coverts, and even on the under wing-coverts, the throat being 

 (lurlcer. Also the hindneck is more dull grey, and the crown is not ignite so 

 |)nr|)lisii. Thus ('. m. clitensis resembles, in the colonr of the underside, more 

 C. III. monedula and C. m. collaris (which two forms are very closely allied), but 

 the underside is not so mouse-grey, being pure slate-grey, and there is no 

 indication whatever of the creamy-white patch on the sides of the neck, the latter 

 also being much less whitish grey. Wings 22o — 24;J mm. (none sexed). Tyi)e, 

 December 4, lUll, Constantine. Xamed after its locality, the town of Constantine, 

 the Cirta of the Romans. 



3. Pyrrhocorax pyrrhocorax (L.) 



Vjiiqxi Pyrrliucurax hiana.e\is, Si/st. A^iil. ed. x. p. IIH. (17.^8 — This name is indisputable. The 

 description "atra, rostro pedibusque rubris" can only refer to the Chough, and never to 

 the Alpine Chough.) 



Undonl)tf'dly widely but locally distributed in the Atlas range. We met with 

 it near lil Kantara and on Ujebel iletliii, wliere it is common, and saw several 

 flocks among the rocky ranges of the Bou Ghczal and its contiimations west of 

 Biskra. 



We shot four specimens near El Kantara. The eye is dark coffee-brown. 

 The wings of specimens from the Atlas aj)i)ear to be generally rather long, 

 but specimens from the Alps and even from Ireland have frecjnently eijually 

 long wings — these forms can therefore not be separated. 



Mr. E. Fliickiger obtained a number of specimens on the Djebel Ahmar- 

 kaddou, north-east of Biskra. 



4. Garrulus glandarius cervicalis lip. 



Tlie Algerian Jay is not rare in the forests, and especially in the oak-woods. 

 Rothschild saw it frequently near ]5lidah Glaciere in lOUS, but the only 

 place till 1911 where we collected a series was in the mountains above Lambese. 

 There, on May 'J and II, Hartert and Hilgert, when collecting in the higher 

 parts of the mountains, where the forest is thick and high, obtained eight 

 specimens. These birds vary to a certain extent, like all Jays, but they agree 

 in having a somewhat dark area on the jugulum, and in size. The wings 

 measure about 178 to 185 mm., while the wing of a male shot in the same 

 place by Koeuig measures over ls8 mm., and it must not be forgotten that 

 all these birds are in rather worn plumage and that the wing-measurements 

 as obtained from them are slightly too small. Comparing tiiese birds with 

 skins from Northern Tunisia and North Algeria, it is noticeable that some of 

 the latter are larger, their wings measuring from 180 to 195 mm., and that 

 they have the dark jugular area frequently missing. Tschusi described North 

 Tunisian birds as Garrulus glandarius koenigi {Orn. Jaltrb. 1904, p. 99), but 

 our comparisons leave no doubt that none of the difiereuces supposed to exist 

 between the two forms are constant or exist at all, except possibly tbe two 

 pointed out above. 



Unfortunately, however, if two forms were distinguishable, it would be the 

 wrong form which Tschusi named. Sixty years ago birds were not likely to 

 be collected in the somewhat distant forests near Lambfese, and a Jay would 



