Book 8.209-218
Cacus led the cattle into his cave backwards by the tail. As he was leaving, Hercules heard one cow lowing from the cave.
atque hos, ne qua forent pedibus vestigia rectis,
209
cauda in speluncam tractos versisque viarum
210
indiciis raptos saxo occultabat opaco:
211
quaerenti nulla ad speluncam signa ferebant.
212
Interea, cum iam stabulis saturata moveret
213
Amphytrioniades armenta abitumque pararet,
214
discessu mugire boves atque omne querelis
215
impleri nemus et colles clamore relinqui.
216
reddidit una boum vocem vastoque sub antro
217
mugiit et Caci spem custodita fefellit.
218