Pulmonifera of Jfaine. 



57 



abundance of each species, and as he had several earnest coadjutors 

 collecting for him in various parts of the State, and was himself 

 an indefatigable collector, ^ye must believe that his observations 

 were in the main correct. It will be seen by the folloAving, that 

 several species common to the State twenty years ago, are not 

 now so common, while others Avhich were then rare are now 

 exceedingly abundant. Those species on which no remarks are 

 made remain the same. The quotations are from Mighels' paper 

 above referred to. 



Mesodox 

 albolabbis. 



" Solitary in all j^ai'ts of the State, and on 

 islands in Casco Bay." 



Found in the greatest abundance on many 

 islands, and have met Avitli them in num- 

 bers in the interior. 



AXGUISPIRA 

 ALTERXATA. 



« Abundant." 



Abundant on several islands only. 



Hyalina 



indentata. 



( " Appears to be rare." 

 ) Not rare. 



Hyalixa 

 electrixa. 



" Rare." 

 Quite common. 



CoxuLus { More abundant than his would appear to 

 CHERSiXA. I indicate. 



Strobila 

 labyrixthica. 



("Found sparingly." 

 ) Common. 



PuPAS and { Were noted as found sparingly by Dr. Mighels, 

 Vertigos. ) we find many of them common. 



ZOOGEXETES 

 HARPA. 



I Is now abundant in the vicinity of Portland, 

 but could not have been thus abundant years 

 ago, as JMighels had not found it at that time. 



