original N. cæmentaria, Latr., was found) makes it more than probable that the Montpellier, and not the Mentone, species is the true N. cæmentaria. Certainly as yet no other species more likely than this to be the one described by Latreille has been found at Montpellier; in fact, the one here described is the common one found there, and alone answers to Latreille's character of having a nest with a lid of the cork type.
It has become therefore necessary now to record the Mentone species under another name, and under that name, "N. Moggridgii" (p. 273) will be noted the specific differences by which the two species may be at once distinguished from each other.
The male of the spider here described has not been yet found. A description is given (p. 276) of a male spider, Nemesia incerta (no doubt closely allied), found by M. Eugène Simon at Digne; but reasons will be given why it is not probable that this Digne spider should be, as conjectured by M. Simon, the male of the Montpellier species. Whether the N. carminans (Latr.) is the male of N. cæmentaria (Latr.) or not, is another question, and one surrounded with some obscurity and difficulty. Latreille described N. cæmentaria (female) from Montpellier, and N. carminans (male) from Aix in Provence; the latter being specially characterized by a bifid point to the prolongation of the palpal bulb; L. Dufour appears subsequently to have considered N. carminans, Latr. (male) to be the male of N. cæmentaria, and Latreille appears to have agreed with L. Dufour upon this, vide Walck. Ins. Apt., i. p. 236; but Dufour afterwards (Ann. Gen. Sc. Phys., tom. v. Bruxelles, 1820,
