435 



* 



Plate XXX III. 

 (Details of species of Bolboceras.) 

 Figs. 37 to 42, B. proboscideum, Schreib, produced front of head. 

 ,, 43 and 44. B. armigerum, Macl., front view of clypeus. 

 ,, 45. . . B. variolicolle, Lea, front view of clypeus. 

 ,, 46 and 47. B. insigne, Lea, front view of clypeus. 

 ,, 48 and 49. B. trifoveicolle, Lea, front view of clypeus. 

 ,, 50. ... B. quinquecome, Lea, front view of clypeus. 



,, 51. ... B. dacodeium, Lea, front view of clypeus. 



,, 52 and 53. B. taurus, Westw., front view of clypeus. 

 ,, 54 and 55. B. context tun. Lea, front view of clypeus. 

 ,, 56.' ... B. pentagonicum. Lea, front view of clypeus. 

 ,, 57. ... B. hoplocephalvm, Lea, front view of clypeus. 



,, 58 and 59. B. ,, Lea, front view of clypeus and 



of cephalic horns. 

 ,, 60. ... B. pentagonicum, Lea, back view of clypeus and 



ocular canthi, 

 ,, 61. ... B. bainbridgei, Westw., head from above. 

 ,, 62. ... B. ,. Westw., head and prothorax from 



the side. 



Plate XXXIV. < 34) 



Figs. 63 to 70. Leptops duponti. Boi., variations, principally in 



size, of common form. 



,, 71 to 73. ,, ,, Boi., var. interioris, Blackb. 



,, 74. ... ,, ,, Boi., common form 'with pec- 



toral armature (slight pro- 

 jection in front of front legs) 

 showing. 



,, 75. ... ,, ,, Boi.. large specimen inter- 



mediate between common 

 form and interioris. 



,, 76. • ... ., ,, Boi., var. qbsoletus, Lea. 



,, 77 and 78. ,, ,, Boi., var., corinatus, Lea. 



Plate XXXV. 

 Figs. 79 to 86. Leptops nitidiventris, Lea. 



,, 87 to 89. ,, pilulifer, Lea. . 



,, 90 . . ,, amplipennis, Lea. 



,, 91 and 92. ,, muricatus, Pasc. 



,, 93 and 9-!-. ,, pilulifer, Lea, varieties. 



Plate XXXVI. 



Figs. 95 to 97. Leptops biordinatus, Blackb. 



,, 98 to 104. „ ., var. mucus, Blackb. 



,, 105 to 110. ,, gravis. Blackb. 



(34) Plates xxxiv. to xxxix. are from photographs by Mr. H. Hale, 

 of the South Australian Museum. 



