Chassenée is said to have been employed in several cases of this kind, but no records of them seem to have been preserved, although it is possible that they may lie buried in the dusty archives of some obscure provincial town in France, once the seat of an ecclesiastical tribunal. The whole subject, however, has been treated by him exhaustively in a book entitled _Consilium primum, quod tractatus jure dici potest, propter multiplicem et reconditam doctrinam, ubi luculenter et accurate tractatur quaestio illa: De excommunicatione animalium insectorum_. This treatise, which is the first of sixty-nine consilia, embodying opinions on various legal questions touching the holding and transmission of property, entail, loans, contracts, dowries, wills, and kindred topics, and which holds a peculiar place in the history of jurisprudence, was originally published in 1531, and reprinted in 1581, and again in 1588. The edition referred to in the present work is the first reprint of 1581, a copy of which is in the Royal Court and State Library of Munich. This curious dissertation originated, as it appears, in an application of the inhabitants of Beaune to the ecclesiastical tribunal of Autun for a decree of excommunication against certain noxious insects called huberes or hurebers, probably a kind of locust or harvest-fly. The request was granted, and the pernicious creatures were duly accursed. Chassenée now raises the query whether such a thing may be rightfully and lawfully done (_sed an recte et de jure fieri possit_), and how it should be effected. “The principal question,” he says, “is whether one can by injunction cause such insects to withdraw from a place in which they are doing damage, or to abstain from doing damage there, under penalty of anathema and perpetual malediction. And although in times past there has never been any doubt on this point, yet I have thought that the subject should be thoroughly examined anew, lest I should seem to fall into the vice censured by Cicero (_De Off._ I. 6), of regarding things which we do not know as if they were well understood by us, and therefore rashly giving them our assent.” He divides his treatise into five parts, or rather discusses the subject under five heads: “First, lest I may seem to discourse to the populace, how are these our animals called in the Latin language; secondly, whether these our animals can be summoned; thirdly, whether they can be summoned by procurators, and, if they are cited to appear personally, whether they can appear by proxy, _i.e._ through procurators appointed by the judge who summons them; fourthly, what judge, whether layman or ecclesiastic, is competent to try them, and how he is to proceed against them and to pass and execute sentence upon them; fifthly, what constitutes an anathema and how does it differ from an excommunication.” Chassenée’s method of investigation is not that of the philosophic thinker, who marshals facts under general laws and traces them