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MAMMALIA. 139 
OsTEOLOGY. 
Guib, Daub. in Buffon Hist. Nat. xii. t. 41. f. 1. 
Skull of female with the intermaxillaries reaching to the nasal. 
Suborbital pit none. Nasals, slit up each side in front. 
Varies, some having seven, and others nine white cross bands, 
and some are spotted and others not. They breed together at 
Knowsley, and produce specimens different in these respects 
from their parents. 
4. TRAGELAPHUS DecuLa. The Drecuna. 
Grey brown. Back with three or four indistinct cross bands. 
Arched streak on upper part of side, a few spots forming an arch 
on the haunches, dorsal line, streak on nose and on front of fore 
legs, blackish. 
Antilope Decula, Riippell, Fauna Abyss. t. 4. 
Calliope Decula, Riippell, Verz. Senck. Sammi. 182, 1845. 
Tragelaphus Decula, Gray, Cat. M. B. M. 160; Knows. Menag. 
Hab. Africa; Abyssinia. 
Male. Abyssinia. From the Frankfort Museum. 
Var. Back without the cross bands. 
Hab. Africa; Abyssinia; Riippell. 
tt Back without any cross bands or lateral streaks. 
5. TRAGELAPHUS SYLVATICA. The Boscu Boc. 
Blackish brown. Head pale brown. Band across forehead 
black. Small spot on haunches, larger spot on insides of legs 
and on feet white. Dorsal line longly crested, black, white va- 
ried. Female paler brown. Young pale bay. 
Antilope sylvatica, Sparrm. Act. Holm. 1780, iii. 197. t.7; Gme- 
lin, S. N. 1. 192. 
A. (Gazella) sylvatica, Licht. Berl. Mag. vi. 173; Schreb. Saugth. 
1209. t. 257; Thunb. Mem. Petersb. iii. 315; H. Smith, G. A. 
K. v. 858. 
A. Tragelaphus sylvatica, Blainv. B. S. Phil. 1816, 75; Desm. 
Mam. 469; Fischer, Syn. 472. 640; Harris, W. A. Afr. t. 26. 
Tragelaphus sylvaticus, Gray, Cat. Mamm. B. M. 160; Cat. 
Osteol. B. M. 59; Knowsley Menag. 
Calliope sylvatica, Riippell, Verz. Senck. Samml. 182, 1845. 
Bosbok, Allam, Buff. H. N. v. 35. t.15; Supp. vi. t. 25; Shaw, 
Zool. ii. 348. 
Forest Antelope, Penn. Quad. i. 86. 
Bosch bock, Dutch at Cape. 
Hab. South Africa. 
