le 



Witli rcn-anl to the preservation ot* tlie larvtu oi' insects, much may 

 be said. It is important that collectors should preserve the larval forms 

 as well as the other stages of the insect for it should be borne in mind 



Fig. 15. ,\ SiiiipU' Insect Ciisc. 



tliat those collections are of highest value educationally which show the 

 life history of the insect in all stages — the egg, the larva, the pupa and 

 the adult. The larval stage of the insect, moreover, should be carefully 



A l;("i(1 caM' \\ itii .i^hi.ss rover. S]i(.'ciiiicns not laliolled. 



preserved throughout all its molts foi'the mature larva frequently differs 

 considerabl}^ from the younger forms. Some collector.^ place the lar- 

 \ve in liquid in vials ; other prefer to intlate them and have them 

 placed on pins beside the adult forms. For school purposes, how- 

 ever, the vials are to be preferred. 



