NOTES AND LITERATURE. 



805 



Pinnaspis, 2 (also Old World, whence Morganella, 2 (widespread 



probably introduced). by human means). 



Pseudischnaspis, 3. Pseudoparlatoria, 4. 



Diaspidistis, 1. 



It will be noticed that \ f these are monotypic ; representing, 

 no doubt, particular excessively differentiated types, not illustrative 

 of any general tendency. Pinnaspis is so like the Old World Hemi- 

 chionaspis that 1 feel nearly sure that it is introduced into America. 

 One of its species is now widespread in both hemispheres. 



(7.) New Zealand Genera. 

 Ccelostomidia, 5. Phenacoleachia. 1. 



Eriochiton, 3 (one from India). Lecanochiton, 2. 

 Three of these appear to be genuinely isolated and very peculiar 

 types. 



Australian Genera. 



Apiomorpha, 34. 

 Opisthoscelis, 12. 

 Ascelis, 5. 

 Olliffia, 1. 



Monophlebulus 

 Callipappus, 6. 



