CADDIS ri 1 91 



type. B8 IS t : ;- 



Bide-.] i pleur I bile th< 



calla the Bhape i I thai of moths. M< 

 wings, usually hairy, are som I with 



the venation is somewhat aa in moths. 



e transformations are much as in t. ; 

 moths, though in the pnpa the limbs are free, d< 

 to the body aa in moths. The larvae, which breathe l>v 

 means of thread-like tracheal gills, construe! hits 



t.f sticks, or grains • ind, which they drag over the bot- 

 tom of quiet pools; they live both <>n decaying leaves and 

 small ins rater-fl< 3, el . When about to pupate they 



the mouth of th< with a grating, or, as in He! 



psyche, with a dense silken lid having as slit, agd in 



some instances spin a slight, thin, silken . . within 



which the puj I emale lays her 



clumps I with jell) j and 1« tthewal 



ge. 



Buper family Phryganid;*> This greal group is divided I j M< I 

 Ian into seven families, chiefly according t<> the structure of the max- 

 illary palpi, as follows: //</•' 



• Im 

 tl:r Rhyacophilida and Hydr> i the larva) inhabit : 



the others the c ises are fri e, and carri"(l about by the inmates. In the 

 RAyaeophHidd the pupa is enveloped in a special 



IEB XII. COLEOPTERA" i /■ 



Although bo numerous in s] upwarda <»f 100,1 



Selected Works 



Dojean et Aube Species generates de Col 



1835 38 

 Gemminger and Harold Catalogue of all described I with 



3ynonyma (12 vols. Munich, 1868 76). ! 

 Henshaw, S List of the Coleoptera of North America - pple- 



iiH'iil. pp 8. 1881 



The entomological writings <>f .John I.. I i 



lv 

 The entomological writings ol G< gi B. II • 



Horn, G. H. Revision of North American T 



Am Phil. - 370). 

 Synopsis of Parnidse Trans Am. Ent Soc 



(Contin 



