Spider-Monkeys, i. [204], [207], [227], [247], [248]

spierianus, Microsyops, i. [122]; ii. [252]

spixii, Ouakaria, i. [175]

Sportive-Lemur, Grandidier's, i. [89]

Milne-Edwards', i. [87]

Red-tailed, i. [86]

Round-headed, i. [89]

Small-toothed, i. [88]

Weasel-like, i. [86]

White-footed, i. [89]