420 MR. TUFFEN V/EST ON THE FOOT OF THE FLY. 



Plate XLII. 

 COLEOPTERA. 



These figures represent feet or their appendages, in whole or in part, from different beetles ; similar 



letters are affixed to the parts as on the preceding plate. 



Fig. 20. Pterostichus niger, J : «', view of some of the appendages (" vesicles ") more magnified ; a", one 

 of these still more enlarged; a'", extremity of one, flattened by pressure against the glass; 

 e, section, lengthwise, of joint. 



Fig. 21. Carabus granulatus, 6 : f, transverse section of a tarsal joint; /'', portion of the same, more 

 enlarged. 



Fig. 22. Amaru communis, 6 : e", one of the appendages (tenent hairs), in profile : additional letters as 

 with fig. 20. 



Fig. 23. Caradus granulatus, J : tenent hairs projecting from the third basal tarsal joint, at its anterior edge. 



Fig. 24. Ocypus olens: e, section lengthwise; i, portion of tarsus of another specimen, showing injury 

 to the tenent hairs. 



Fig. 25. Small Staphyline beetle : hand. 



Fig. 26. Another small Staphyline [Tachyporus hypnorum). This has proportionately large tenent 

 hairs on the hands ; on the middle and hind legs these appendages are much smaller ; a few 

 bifurcate hairs are present with the latter, at the distal extremity of the third tarsal joint (y). 



Fig. 27. Cicindela campestris, 6 : two of the tenent hairs from the hand. 



Fig. 28. Cantharis vesicatoria : tenent and guard hairs at the margin of one of the tarsal joints. 



Fig. 29. Mylabris cichoriis: tarsal hair, in two aspects. 



Fig. .30. Byrrhus fasciatus. 



Fig. 31. An Elateride [Lacon murhms). 



Fig. 32. Cychramus fungicola : hand (L 1). 



Fig. 33. Dyticus maryinalis : dilated portion of hand (L 1). 



Fig. 34. „ : sucker, in two aspects, from tarsus of middle leg (L 2). 



Fig. 35. „ : part of a large sucker, from below. 



Fig. 36. „ : a small sucker, in profile and full face. 



Fig. 37. „ : section through one of the small suckers, at its root. 



Fig. 38. ,, : section through a guard-hair, at the same part. 



Fig. 39. Small water-beetle [Exoletus Jmniorrhoidalis) : tarsus of L 1 : of s • This supplies a most in- 

 teresting transition-link between the suckers of the Great Dyticus and such tenent hairs as 

 occur on the Harpalide beetles, &c. 



Plate XLIII. 

 COLEOPTERA [continued), with ACARI, &c. 

 Fig. 40. Hydrophilus piceus, S : tarsus of L 1 . 



Fig. 41. Clytus elongatus : tenent hairs projecting from the third tarsal joint of one of the legs. 

 Fig. 42. Musk beetle {Aromia moschata ) : tenent hair in two positions. 

 Fig. 43. Prionus coriarius. 



Fig. 44. Carrion beetle [PJwsphuga Icevigata) : portion of L 1 of j. 

 Fig. 45. Bloody-nose beetle [limarcha loivigata) : tenent hairs projecting from the third tarsal joint of the 



legs. 

 Fig. 46. Soldier-beetle [Telephoriis rusticus) : group of tenent hairs from an anterior tarsus. 

 Fig. 47. Lady-bird {Coccinella 1 -punctata) : tarsus of L 1 : «", e", tenent hairs more enlarged. 

 Fig. 48. Earwig {Forficula auriculuria). 

 Fig. 49. A Curculionide [Hylobius abietis) : k, the appearance presented by the soft globular ends of tenent 



hairs on another Curculionide, when not pressed upon the glass. 



