PLATE V. 



Fig. 1. Pachychalina lohata ; natural size, . . . . . 



Fig. 2. Challiia pergmnentacea ; a, Hat side ; l>, edge, sliowing oscula ; natural 

 size, .....■•• 



Fig. 3. Chalina rectangularis ; natural size, .... 



Fig. 4. Chalina palmata ; natural size, ..... 



Fig. 5. Pachychalina (f) pedunculata ; natural size, 



Fig. 6. Pachychalina megalorrhaphis ; natural size, 



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