422 DR. J. E. GRAY ON CYCLANOSTEUS. [May 9, 
back for assistance, and in the interval sketched on a small scale, and, 
stripped off the skin, which is a good size for a small museum, and, 
as carriage is a consideration, suits me better than a large one. 
‘It is perfectly marked after the manner of Quaggas in this loca- 
lity, but not so fully as those of Daka and the Zambesi, and is most 
certainly an intermediate link between already described varieties 
and the Zebra. The chief points worthy of note are that the legs, 
instead of being white as in the Bonte Quagga (L. burchelli) from 
the houghs and knees, are marked with transverse bands, not so dark 
as those on the body, quite down to the hoofs ; there is a dark stripe, 
commencing between the fore legs and extending along the belly to 
between the hinder, where it becomes broader and somewhat fainter ; 
the first three stripes behind the shoulder are joined to this; the 
dark stripes on the rump are alternated with others of a medium 
brown, but those on the fore part of the body and neck are of a full 
deep black ; there are callosities on the inside of the fore legs only, 
and none on the hinder. 
**Chapman killed two Quaggas during the day. I believe they 
were very faintly marked on the legs ; but the vultures and Damaras 
destroyed them. The skins are quite worthless, which is much to be 
regretted, as we think it certain they are true Quaggas undescribed 
in any work we know of, and, as a new variety, would have been a 
handsome gift to any museum. 
** Pereira told me subsequently, the Quagga of Damaraland has 
legs very nearly white ; there are faint stripes, but not visible till you 
come close to them; there are warts on the fore legs only. The 
Wilde Paard is darker, the stripes blacker; the head is larger, and 
the ears also ; they stand up so as to be visible above the mane. The 
Wilde Paard goes in the hills, the Quagga on the flats. 
*«T sent down the skin of the filly to Mr. Logue in Cape Town, 
and he forwarded it to the British Museum.” 
With reference to this communication, Mr. Sclater remarked that 
the female Zebra in the Society’s Gardens (presented to the Menagerie, 
May 26th, 1861, by H.E. Sir George Grey), which he had hitherto 
referred to Hquus burchelli, appeared to answer the description 
above given in every way, and must probably be referred to Equus 
chapmanni if that species were allowed to stand. Mr. Sclater exhi- 
bited a drawing by Mr. Wolf (Plate XXII.) representing this animal. 
The following papers were read :— 
1. On THE DEVELOPMENT OF THE STERNAL CALLOSITIES IN 
CYCLANOSTEUS SENEGALENSIS, AND ON THE SYNONYMS OF 
CyCLANOSTEUS AND ITS ALLIED GENERA. By Dr. J. E, 
Gray, F.R.S. : 
The British Museum has recently purchased, at a sale of the na- 
tural-history specimens collected by the late Dr. William Balfour 
Baikie, R.N., during his recent explorations up the Niger, a series 
of five specimens of the Tortoise, which I figured in the ‘ Catalogue 
