November, 1912. 



KNOWLEDGE. 



Figure 453. 



" Lingah "' shell (.17. vul- 

 garis Schumacher), from 

 Torres Straits. 



Figure 455. 



\ining of the Black-lipped 



Mother - of - Pearl 0>'ster 



iM. tiiargaritifcra Linn). 



Conflict .Vtoll, Papua. 



Figure 456. 



M. piinascsac Jameson. The " False Spat "' that occurs 

 associated with the Black-lipped Shell. 



Figure 454. 



Bastard Shell I.1J. sugillata, Keeve) from 

 Torres Straits. 



\ . /.- 



Figure 457. 



Young of the Australian Mother-of- Pearl Oyster 



(M. maxima Jameson). Montebello Island. 



From phology-aphs i.ptcially taker. a«d rcproJuced by Messrs. LascelUs &• Co. 



The young of Mother-of- Pearl Oysters compared with other species of the genus Margaritifcra. 



