FRESHWATER AND LAND CRAYFISHES OF AUSTRALIA 
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Plate VIII. 
Fig. 31. Engaeus fossor Erichson. 
Fig. 32. E. quadrimanus sp. nov. 
Fig. 33. E. phyllocercus Sm. and Sch. 
Fig. 34. E. sericatus sp. nov. 
Fig. 35. E. cunicularius Erichson. 
Plate IX. 
Fig. 36. Engaeus villosus sp. nov. 
Fig. 37. E. affinis Sm. and Sch. 
Fig. 38. E. victoriensis Sm. and Sch. 
Fig. 39. E. tuberculatus sp. nov. 
Fig. 40. Pseudengaeus strictifrons sp. nov. 
Fig. 41. P. sternalis sp. nov. 
Plate X. 
Austroastacus hemicirratuliis (Smith and Schuster). 
Fig. 1. Under side of male, nat. size. 
Fig. la. First abdominal appendage of male, X 2. 
Fig. 2. Dorsal view of female, nat. size. 
Fig. 2a. Carapace of female viewed from front, X 2. 
Fig. 2b. Rostrum, X 2. 
Fig. 2c. Inner side of left chelae, nat. size (reversed on plate). 
Fig. 2d. Outer side of ditto. 
Fig. 2e. Outer side of right chelae, nat. size. 
Fig. 2f. Inner side of ditto. 
Fig. 2g. Telson, X 2. 
Fig. 3. Young specimen, nat. size. 
Plate XI. 
Austroastacus hemicirratulus (Smith and Schuster). 
Fig. 1. Side view of male, nat. size. 
Fig. la. Dorsal view of male. 
Fig. lb. Rostrum, X 3. 
Fig. lc. Ditto, side view. 
Fig. Id. Four final segments of first antenna, X 50. 
Fig. le. Three terminal segments of second antennae, X 50. 
Fig. lg. Ditto. 
Fig. lli. Underside of head, X 6. 
Fig. li. Branchiostegite removed to show podobranchs in position. 
Fig. Ik. Podobranchs removed to show remaining gills. 
