[82]. In Diptera the stomodæum may be dorsal, Dr. Pratt tells us.
[83]. Will (Aphis) and also Cholodkowsky’s statement (Blatta), as well as Balfour and Schimkewitch’s statements that the brain is at first disconnected from the ventral cord, are apparently erroneous.
[84]. The description perhaps applies not only to the cockroaches, but, as seen from the similar but fragmentary notices of Heider and of Wheeler on the Coleoptera, may be common to insects in general.
[85]. Report on the Rocky Mountain locust, etc. Ninth Annual Report U. S. Geol. and Geogr. Survey of the Territories for 1875, pp. 633, 634.
[86]. Orthoptera Europæa, 1853, p. 37.
[87]. In his Für Darwin (1863), Fritz Müller gives his reasons for the opinion that the so-called “complete metamorphosis” of insects was not inherited from the primitive ancestor of all insects, but acquired at a later period.
[88]. For further details see the 1st Report of the U. S. Entomological Commission, 1878, pp. 279–281.
[89]. See Köppen ueber die Heuschrecken in Südrussland, 1862, pp. 22, 23.
[90]. In Samouelle’s The Entomologist’s Useful Compendium, 1819. See Westwood’s Class. Insects, i, p. 2; Leach’s Ametabolia comprised the Thysanura (Synaptera) and the lice.
[91]. From the Greek μανός, scanty; μεταβολή, change.