10 0. V. DARBISHIRE. 



The following is an arrangement of the species under the different localities at 

 which they were found. 



Granite Harbour, McMurdo Bay. 



All the lichens were found on rocks and stones : 



Lecidea auriculata. 

 Rhizocarpon geographicum. 

 Gyrophora cylindrica. 



Dillenii. 

 Xanthoria lychnea. 

 Placodium elegans. 



murorum. 

 Squamaria chrysoleuca. 

 Lecanora polytropa. 

 Parmelia quarta. 

 Buellia frigida. 



quercina. 

 Physcia caesia. 

 Acarospora chlorophana. 

 Endocarpon sp. 



Islet in old ice, middle of strait, McMurdo Bay. 

 On stone : 



Acarospora chlorophana. 



Winter Harbour. 

 Over moss on earth : 



Lecanora epibryon. 

 expectans. 

 Rinodina turfacea. 

 Buellia parasema. 

 Physcia caesia. 



On stone : 



Lecanora lavae. 



Winter Harbour, summit of Observation Hill. 

 On stone : 



Placodium murorum. 

 Lecanora polytropa. 



Cape Royds, 1500 feet up Mount Erebus. 

 On stone : 



Gyrophora anthracina. 



Neuropogon melaxanthus. 



Polycauliona regalia. 



Caloplaca citrina. 



Placodium murorum (200 ft. only). 



