49 



Mytilus hirsutus, Lamarck. The actual type not seen, but 

 is correctly identified from specimens so named in Paris Museum. 



Mytilus Menkeanus, Philippi. This species was known to 

 Lamarck, and is his Magellanicus, var.!, as it is also M. poly- 

 dontes, Q. and G.! 



Mytilus planulatus, Lamarck ! This is M. chorus of my 

 Revision, IX. r p. 105. Lamarck's type! is from King George 

 Sound. The subordination of the name of this species to that of 

 M. chorus, Molinia, I have no opinion upon, having accepted 

 Hutton's views thereon. 



Modiola australis, Gray. This is also M. albicosta, var. 

 spatula, Lamarck ! 



Modiola albicosta, Lamarck ! The type is artificially 

 polished, but our shell so named is correctly identified. 



Modiola inconstans, Dunker, so named in the British Museum, 

 is the same which I figured in my Revision, IX., under the name 

 of ilf. semivestita, Dunker. 



Modiola flavida, Dunker, so named in the British Museum, 

 is No. 181 of my Hand List, published by Adcock (1893). 



Modiolaria Cumixgiana, Reeve. A synonym of this species 

 is M. discors, Q. and G.!, on the opinion that the Australasian is 

 distinct from the European. 



Malleus vulsellatus, Lamarck !, is correctly named in our 

 local list. The following Lamarckian species seem to me to be 

 mere variants : — M. decurtatus ! is a stunted form, and M. nor- 

 malis ! is only a little more winged than M. vulsellatus. 



Vulsella ovata, Lamarck ! The types are large examples, 

 with an individuality of a more defined concentric sculpture than 

 is usual with South Australian examples attributed to that 

 species. 



Avicula papilioxacea (Chemnitz), Lamarck ! As suspected 

 in uiy Revision, IX., p. 107, A. Georgiana, Q. and G. proves to 

 be the same ; and examination of Reeve's types in the British 

 Museum results in attaching the two following as synonyms : — 

 A. punctulata and A. scalpta. 



