§ 321. THE INSECTA. 399 
C. INSECTS WITH COMPLETE METAMORPHOSIS. 
(Insecta holometabola.) 
1. Moura Sucroriat. 
a. Two wings. Under lip changed into a suctorial organ. 
ORDER IV. DIPTERA. 
Famitzes: Puttcrpar, Nycreriprpaz, Hrepozoscrpan, Muscrpaz, OEstTRIDAE, 
Syreuipar, Conopipar, Stomoxypar, Bomsyiipar, ANTHRACIDAE, LEp- 
gmrpak, Henoprpar, ASILIDAE, StTRaTIoMyDAE, TaBANIDAE, TIPULIDAE, 
Cunrcrpaz, 
b. Four sealy wings. Maxillae changed into a suctorial organ. 
ORDER V. LEPIDOPTERA. 
Famiiies: Tinerpar, Pyrattpar, Gzomerripar, Nocrurpan, Bompycrpag, 
HepioLipar, ZYGAENIDAE, SPHINGIDAE, PAPILIONIDAE. 
c. Four naked wings. Tongue changed into a suctorial organ. 
ORDER VI. HYMENOPTERA. 
Famities: Aprpar, ANDRENIDAE, VeEspPripaz, Formicrpar, ScoLiaDAx, 
Morituipaz, Pompriipan, Crazonipar, BermsecrpaE, CHRYSIDIDAE, 
Cyniprpaz, Icnneumonipaz, Siricipaz, TENTHREDINIDAE. 
2. Moutma ManpisuLatTe. 
a. Two posterior wings only. 
ORDER VII. STREPSIPTERA. 
b. Four membranous wings. 
ORDER VIII. NEUROPTERA. 
Famitres: Puryganipar, Sraniar, Hemerosrpar, MyrmELEonrpax, 
RaapurprapaE, Panorprpar, Manrisprpan. 
c. Two upper wings corneous, and two under membranous. 
ORDER IX. COLEOPTERA. 
Faminies: Psevarsipar, Coccinettipar, CarysoMELiIpaz, CERAMBYCIDAE, 
Curcutionrpax, Crsteipar, Metorpar, Teneprionipaz, Pyrocurorpag, 
Exateripaz, LAMELLICORNES, CLAVICORNES, HypropHILipar, Hyprocan- 
THARI, STAPHYLINIDAE, CARABIDAE. 
