138 
Cercopithecus rufo-viridis: 
(a) No. 53: Present; size = D 2; closely associated with sym- 
pathetie chain. 
Cercopithecus nigro-viridis: 
(a) No. 71: Absent; sympathetic chain large. 
Cercopithecus sp: 
(a) No. 61: Present; Size = !/, D 2; connected to sympathetic 
chain. 
Cercocebus aethiops: 
(a) No. 70: Absent. 
Macacus cinereus: 
(a) No. 60: Present; closely associated with sympathetic chain. 
Macacus cynomolgus: 
(a) No. 62: Present; size = D2; outlying part of sympathetic 
chain. 
(b) No. 70: Present; outlying part of sympathetic chain. 
Macacus nemestrinus: 
(a) No. 55: Present; size = D2; connected to sympathetic 
chain. 
Macacus sinicus: 
(a) No. 51: Present; size = D 2; unconnected with sympathetic 
chain. 
The communication passes upwards and inwards from 
D 2 to join D1 (cf. SHERRINGTON, see text). 
Macacus sp: 
(a) Present; size = 1/, D2; arises from D 2 very close to sym- 
pathetic connection with D 2. 
Cynocephalus anubis: 
(a) No. 54: Present; size =1/, D2. Very closely associated 
with sympathetic chain. 
(b) Absent. 
Cynocephalus babouin: 
(a) Present: Size = D 2; connected to sympathetic chain. 
(b) No. 56: Present; size = 1/, D2. Closely connected to sym- 
pathetic chain. 
(c) No. 59: Present; size = D2; separate from sympathetic 
chain. 
