On the north side of the Rio Negro are two varieties of monkeys, the brachiurus conxion and the jacchus bicolor, which are unknown on the south side.
"The Human Side of Animals"
Royal Dixon
They were small and often were collapsed in the individuals I dissected, but were most clearly seen in Iridoprocne bicolor.
"Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae"
Marion Anne Jenkinson
These are V. rupestris, V. Longii, V. Champinii, V. Munsoniana, V. cordifolia, V. candicans, V. bicolor, V. monticola and V. Berlandieri.
"Manual of American Grape-Growing"
U. P. Hedrick