Microscopically their structure is the same in essentials as that of the coxal glands of Scorpio (13).
Brusati had failed to realize the necessity of defence in depth, or the essentials of a good defensive line, but a graver error still was his neglect in regard to the preparation of second-line positions.
You need to bear in mind all of these essentials when selecting a food for your pet.
Semitransparency, brilliancy and hardness are, however, also essentials.
There is no evidence that any speech in Acts is the free composition of its author, without either written or oral basis; and in general he seems more conscientious than most ancient historians touching the essentials of historical accuracy, even as now understood.