120 TIIK C.U^ABIDAE OF TASMANIA, 



27. (26) Elytra without an inner plica. 



28. (29) Head not constricted at base to a condyliform neck. Prothorax de- 



pressed, wider than head. (Pro-episterna not \-isible at sides from 

 above.) Anchomenini. 



29. (28) Head — except very rarely — narrowed behind eyes. Prothorax narrow, 



very rarely wider than head. 



30. (31) Tarsi with ungues simple Odacanthini. 



31. (30) Tarsi with ungues pectinate Ctenodacttlini. 



32. (11) Anterior co.xal cavities with two openings inwards 



Carabidae biperforatae. 



33. (58) Head without antennal grooves beneath. 



34. (37) Mandibles with a sensitive seta in scrobe of outer side, 



35. (36) Elytra truncate. Prothorax bordered at sides; sutures of prosternum 



visible .' Bkachynini. 



36. (35) Elytra entire at apex. Prothora.x constricted to a narrow base; 



lateral border and sutures of prosternum not visible. (Body 

 pedunculate, scutellum on peduncle. Maxillary palpi very long 

 and narrow.) Apotomini. 



37. (34) Mandibles without a sensitive seta in scrobe of outer side 



38. (39) Clypeus emarginate, or excised, exposing basal membrane of labrum. 



39. (38) Clypeus entire, not exposing basal membrane of labrum. Licinini. 



40. (45) Elytra with an inner plica near each side visible at apical sinuosities. 



41. (42) Head with two supraorbital setae on each side. Apical joint of 



maxillary palpi obliquely set on to penultimate joint . . Panaoeini. 



42. (41) Head with one supraorbital seta on each side. Apical joint of 



ma.xillary palpi normally set on to penultimate joint. 



43. (44) Elytra with ninth interstice variable in width, never linear or situated 



in a furrow below plane of eighth interstice Chlaeniini. 



44. (43) Elytra with ninth interstice linear and placed in a furrow . . Oodini. 



45. (40) Elytra without an inner plica on each side. 



46. (47) Tibial spurs long, serrulate on lower edge of outer side. Tetragonoderini. 



47. (46) Tibial spurs short, not serrulate. 



48. (51) Penultimate joint of labial palpi bisetose on anterior margin. 



49. (50) Mentum supported at base by a raised submentum Lkbiini. 



50. (49) Mentum not divided from gulae by a raised submentum. Pentaoonicini. 



51. (48) Penviltimate joint of labial palpi plurisetose on anterior margin. 



52. (55) Antennae with basal joint ver.v long, longer than two succeeding joints 



together. 



53. (54) Mentum narrowly united to submentum. base of maxillae unusuallv 



exposed. Prothorax not bordered. Elytra without usual bordtr 

 and infiexed margin _ Dryptini, 



54. (531 Mentum widely united to submentum. Prothorax and elytra with 



lateral borders Zupijni. 



55. (52) Antennae with basal joint not of unusual length, not as long as two 



succeeding joints together. 



56. (57) Ligula corneous; paraglossae well developed, free, membranous 



Physocratophini. 



57. (56) Ligula wide corneous: paraglossae adherent to ligula, often rudiment- 



ary Helluonini. 



58. (33) Head with distinct, usually long antennal grooves beneath 



PsSUDOMORPHlNI. 



