Classification of Animals 



283 



4. Coleoptera, Chitinous Elytra 



5. Hemiptera, bugs 



1. Tiger-beetle, Cicindela 



2. Potato-beetle, Doryphora 



3. Ground-beetles, Harpalus 



4. Water-beetles, Dytiscus 



5. Ladybirds, Coccinella 



6. Weevils, Balaninus 



7. Bark -borers, Dendroctonus 



8. Fireflies, Lampyris 



9. Carrion-beetle, Silpha 

 10. Tumblebugs, Phanceus 

 n. June-bug, Sachno sterna 



12. Goldsmith-beetle, Cotalpa 



13. Sexton-beetle, Necrophorus 



1. Bedbug, Cimex 



2. Louse, Pediculus 



3. Squash-bug, ^4wasa 



4. Assassin -bug, Reduvius 



5. Water-boatman Notonecta 



6. Water-strider, Hygrotrechus 



7. Plant-louse, Aphis 



8. Apple-blight insect, Schizoneura 



9. Scale insect, Coccidce 

 10. Cochineal insect, Coccus 



6. Orthoptera, /we m'w 

 straight and narrow 



1. Cricket, Gryllus 



2. Grasshopper, Acrydium 



3. Cockroach, Blatta 



4. Locust, Locusta 



5. Stick insect, Daphomera 



6. Leaf insect, Phyllium 



7. Earwigs, Forficula 



8. Seventeen-year locust, Cicada 



9. Book-lice, Psocus 



' i. Dragon-fly, Libellula 



2. White ants, Termes 



7. Neuroptera, /<w, lacy, equal wings I 3. Caddis-flies, Phryganea 



\ 4. May-flies, Ephemera 



5. Lace- wing flies, Hemerobiu 



I; 



ORDERS OF CRUSTACEA AND SOME COMMON GENERA. 



1. Lobster, Homarus 



2. Crab, Cancer 



_ ,. , 3. Crayfish, Astacus 



I. Decapods, fe/&* ^ * ^^^ C m^<m 



5. Prawns, Pandalus 



6. Hermit-crab, Pagurus 



