XII LIST OF ILLUSTRATIONS. 



Facing pacre. 



41 . Prothorax of dragonflies 596 



42. Mesothorax and metathorax of dragonflies 596 



43. Segments of centipedes and thorax of orthoptera 596 



44. Thorax of orthoptera 596 



45. Microthorax and thorax of orthoptera 596 



46. Thorax of orthoptera 596 



47 . Wings of orthoptera 596 



48. Wings of orthoptera 596 



49. Thorax of grasshopper and stoneflies 596 



50. Thorax of stonefly, bark-louse, and giant water-bug 596 



51. Thorax of giant water-bug and earwig, and microthorax of beetle 59G 



52. Thorax of earwig and beetles 596 



53. Mesopleurum and metapleurum of beetles 596 



54. Metapleurum of beetles 596 



55. Mesotergum of beetles 596 



56. Metatergum of beetles 596 



57 . Metatergum of beetles 596 



58. Metatergum of beetle, mesotergum and metatergum of dobsoii-fly 596 



59. Thorax of dobson-fly, caddice-fiy,.and carpenier-molh 596 



60. Thorax of carpenter-moth and sphinx-moth 596 



61. Thorax of sphinx-moth and hymenoptera 596 



62. Thorax of hymenoptera and crane-fly 596 



68. Thorax of crane-fly and horse-fly 596 



64. Wing bases of dragonfly and stonefly, and wings of stonefiy 596 



65. Wing bases of orthoptera 596 



66. Wing bases of giant water-bug and beetles 596 



67. Wing bases of beetles and dobson-fly • 596 



68. Wing bases of moths and hymenoptera 596 



69. Wing bases of hymenoptera and flies 596 



70. Ptilodus gracilis Gidley 626 



TEXT IICURES. 



Page. 



Synalpheus lochingtoni. Frontal and antennal region; carpocerite; large chela; 

 small cheliped of first pair; foot of second pair; foot of third pair; dactyl of 



third i^air; telson 21 



Synalpheus paulsoni. Frontal and antennal region; carpocerite; portion of 



third foot 23 



Synalpheus paulsoni kurracheensis. Frontal and antennal region; carpocerite; 



large chela; foot of second pair; meropodite of third pair 23 



Synalpheus hululensis. Frontal and antennal region; carpocerite; telson 24 



Synalpheus tumidornanus. Frontal and antennal region; carpocerite; telson.. 24 



Synalpheus paulsono'ides . Frontal and antennal region; carpocerite; meropo- 

 dite of third foot 25 



Synalpheus latastei. Frontal and antennal region, male, Australia; frontal and 

 antennal region, female, Chile; carpocerite; large chela; small cheliped of 



first pair; foot of second pair; foot of third pair 26 



Synalpheus latastei tenuispina. Frontal and antennal region; carpocerite; large 

 chela; small cheliped of first pair; foot of second pair; meropodite of third 



pair 27 



Synalpheus apioaros. Frontal and antennal region; carpocerite; large chela; 

 carpus of large cheliped; small cheliped of first pair; foot of second pair; 



foot of third pair; dactyl of third pair; telson 28 



