xviii LIST OF PLATES 



PLATE FACING PAGE 



9. CADDIS FLIES, LIMNOPHILID/E. Limnophilus 

 lunatus, caddis case ; Limnophilus flavi- 

 cornis, caddis case ; Limnophilus lunatus, 

 female (the cinnamon sedge) ; Halesus 

 radiatus, female (the caperer) ; Ch<stop- 

 teryx villosa, female ; Anabolia nervosa, 

 male ; Stenophylax stellatus, female . . 42 



10. CADDIS FLIES, SERICOSTOMATID^E. Sericos- 

 toma personatum (the Welshman's button), 

 larva ; the Welshman's button, male ; 

 Notidobia ciliaris, male ; Goera pilosa, 

 female ....... 50 



u. THE GRANNOM, BRACK YCENTRUS SUBNUBILUS. 

 Egg sac ; sacs expanded ; ' young larvae ; 

 larvae nearly full-grown ; pupal case ; female 

 fly with egg sac ...... 54 



12. CADDIS FLIES. Odontocerum albicorne, female 



(grey sedge) ; Leptocerus cine feus, male 

 (brown silverhorns) ; Mystacides azurea, 

 male (black silverhorns) ; Mystacides longi- 

 cornis, male (grouse wing) . . . .60 



13. CADDIS FLIES. Rhyacophila dorsalis, larva; 



pupal case ; pupa ; female. Philopota- 

 mus montanus, female ; Hydropsyche in- 

 stabilis, female ; Chimarrha marginata, 

 female ....... 64 



14. STONE-FLIES. Perla maxima, larva ; Per- 



lodes microcephala, female; Perlodes micro- 

 cephala, male ...... 70 



15. STONE-FLIES. Yellow sally, female; Febru- 



ary red, female ; willow fly, female ; 

 Nemoura meyeri, female ; Nemoura meyeri, 

 male ........ 72 



1 6 DIPTERA, &c. Alder, female; Chironomus 

 tentans, male ; Chironomus tentans, female ; 

 brown ant ; gravel bed . . . -78 



