. British insects : a familiar description of the form, structure, habits, and transformations of insects. m Westwoodsclassification. 150 TABLE OF TRICHOPTERA. (Family Phryganeidse.) A. Antennse threadlike or pectinated. Hind wings not folded. Suh-fam.: Hydroptilides* B. AntennaB bristle-like. * Hind wings not folded. Sub-fain.: Psychomides.^ ** Hind wings without transverse nerves. 1. max. palpi dilated in $ . Sub-fam.: Sericostomides.\ 2. max. palpi, alike in $ and $. Sub-fam.: Ryacophilides^ (terminaljoint ovoid), Sub-fam.: Hydropsychides J (terminal joint fiU-form, very long). h.
. British insects : a familiar description of the form, structure, habits, and transformations of insects. m Westwoodsclassification. 150 TABLE OF TRICHOPTERA. (Family Phryganeidse.) A. Antennse threadlike or pectinated. Hind wings not folded. Suh-fam.: Hydroptilides* B. AntennaB bristle-like. * Hind wings not folded. Sub-fain.: Psychomides.^ ** Hind wings without transverse nerves. 1. max. palpi dilated in $ . Sub-fam.: Sericostomides.\ 2. max. palpi, alike in $ and $. Sub-fam.: Ryacophilides^ (terminaljoint ovoid), Sub-fam.: Hydropsychides J (terminal joint fiU-form, very long). h. with transverse veins : terminal joint of ovoid. * Larvse enclosed in a flattened, membranous moveable case, withilit-like LarviB enclosed in moveable cases with a circular LarTse enclosed in cases fixed to stones. TABLE OF TKICHOPTERA. 151 1. max. palpi very long ; very hairy;five-jointed in $ and ^. Sub-fam. : Leptocerides.* 2. max. palpi moderate; slightly hairy;four-join ted in $ . Sub-fam.: Phryganeides* LarviB enclosed in moveable cases with a circular opening. 152. OUT OP THE STRONG CAME FORTH THE SWEET. CHAPTER XII. ORDER VII.—HYMENOPTERA. The insects already described have exhibited greatvariety in their structure, habits, and instincts; yet,perhaps, all the orders together do not afford morematter for interesting examination than the single ordernow to be entered upon. Hymenoptera contains the greater part of those in-sects which are distinguished by the beautiful modifi-cations of structure which their bodies present; by theirsocial and political institutions; by their domestic vir-tues, and by their ingenuity as artisans. In other words,of those insects which exhibit the highest developmentof instinct and of the reasoning powers. HYMENOPTERA. 153 The characters of Hymenoptera are as follows :— The wings are four in number, clear, membranous,and furnished with a few branching veins, but which aresometimes altogether wanting in the s
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