Complex sentence: In 1859 he delivered a course of six lectures before the Smithsonian Institution on comparative philology in relation to ethnology, including an analysis of the structure of the Sanskrit language, and the process of deciphering cuneiform inscriptions.
Split into simpler sentences: In 1859 he gave six lectures at the Smithsonian Institution on comparative philology in relation to ethnology. His presentations gave an analysis of the structure of the Sanskrit language, and the process of deciphering cuneiform inscriptions.