cxciv Proposed Division of Neuroptera 



so very much restricted geographically, that we are compelled to con- 

 sider the study of the Thripsina as still in its infancy. 



The following formula, copied from the fourth part of Mr. Walker's 

 ' List of the Homopterous Insects in the British Museum,' exhibits 

 the views entertained by Mr. Haliday of a systematic arrangement of 

 these insects. 



Terebra fceminis 



nulla: Fam. 1. TUBULIFERA. 



ocelli 



tres, amicus di stan s Gen. 1. Idolothrips. 



tres, sequidistantes (aut obsoleti) .... „ 2. Phlceothrips. 



quadrivalvis acuta : Fam. 2. TEREBRANTIA. 



incurva Tr. 1. STENOPTERA. 



antennae apice 



capillacese Gen. 3. Heliothrips. 



stylatae : abdomen 



tomentosum „ 4. Sericothrips. 



subnudum „ 5. Thrips. 



antennae apicula 



connata Sub-gen. 1. Aptinothrips. 



discreta; prothorax apice 



valde angustatus „ 3. Chirothrips. 



parum attenuatus : 

 abdomen dorso 



efoveolatum „ 2. Limothrips. 



seriatim foveolatum 

 apicula pro ratione 

 articuli 6ti 



brevis „ 4. Thrips. 



elongata „ 5. Belothrips. 



recurva: Tr. 2. COLEOPTRATA. 



antennae 



articulis 9 discretis Gen. 6. Melanthrips. 



articulis 5 citra apiculam „ 7. ^Eolothrips. 



alae complete Sub-gen. 1. Coleothrips. 



alarum rudimenta tantum „ 2. ^Eleothrips. 



Obs. 2. — I beg to offer the following reasons for placing the Thrip- 

 sina in the class Neuroptera : — 



First. — Those naturalists who either extend their systems to the 

 whole of animated nature, or confine them to the typical group, 



