X CONTENTS, 



NO. SEE PACK 



7. Smaridia papillosa, magnified sketch of insect . . .... 127 



8. Pachygnathus velatus do. . . . . . 128 



9. Trombidium parasiticum do. 129 



10. Trombidium holosericeum (phalangii, Dug.), magnified sketch of 



larva ,, 



11. Do., magnified sketch of perfect insect . . . . . . ,, 



12. Do., specimen of do. • >> 



13. Do., magnified sketch of perfect insect, copied from figure by 



Walckenaer ,, 



14. Do., z/^r. trigonum, magnified sketch of perfect insect . . . 133 



15. Trombidium curtipes do. . . 134 



16. Trombidium fuliginosum do. . . ,, 



17. Trombidium bicolor do. . . 135 



18. Trombidium fasciculatum do. . . ,, 



19. Do. do., specimens of do. (4) . . . . • ,, 



20. Trombidium tinctorium, magnified slcetch of do. . . . . ,, 



21. Do. do., specimens of do. (o) ,, 



22. Trombidium gryllarium, magnified sketch of larva of do., feeds on 



Rocky Mountains locusts 136 



23. Trombidium sericeum, magnified sketch of do, , perhaps male insect 



of preceding ... . 138 



24. Trombidium miniatum, magnified sketch of pei-fect insect . . . 139 



25. Trombidium aurantiacum, do. of larva . . . ,, 



26. Erythrseus mricola, do. of perfect insect . . 141 



27. Actineda comigera, do. do. . • ,> 



CASE X. 



MITES {contimced?) 



Bdellidae. 



1. Molgus longicornis, England, sketch of insect 143 



2. Scirus insectorum, magnified sketch of larva of do 145 



3. Scirus hexophthalmus, France, magnified sketch of do. . . . 146 



4. Scirus obisium, France, magnified sketch of do. ....,, 



5. Scirus vestitus, magnified sketch of do ,, 



Hydrachnidae (Fresh Water Mites). 



6. Limnochares aquaticus, Europe, magnified sketch of mature insect . 148 



7. Eylais extendens, Europe, magnified sketch of freshly hatched 



larva ............ 150 



8. Do. do. do ,, 



9. Hydrachna geographica, magnified sketch of insect . . . . 152 



10. Diplodontus scapularis, Europe, magnified sketch of larva . . 153 



11. Do. do. do. , 



