Eating locusts, biblical Hebrew philology and species identification in the 18th century Middle East

I came across an interesting book originally published in the early 1790s, called Collection of Late Voyages and Travels (1797, 2nd ed.). It contains selections of travel accounts in the Middle East. The excerpts below are from a German traveler called Carsten Niebuhr. The translation is by Robert Heron; the travels took place in the early 1760s.

Here are some interesting extracts.

Concerning eating locusts and the identity of the שלו:



"Haleb," by the way, is Aleppo.

Concerning manna:



Concerning the meaning of the unclear Biblical Hebrew word תחש (related):



I wonder if the "Jew from Italy" is Samuel Romanelli.