400 PROCEEDINGS OF THE ACADEMY OP [1896. 



careful notes were made as to the occurrence of the different species, 

 not only as to the particular island, but the altitude above the sea, 

 the sort of vegetation, rock shelter, etc., where the species were col- 

 lected. The results, tabulated by islands, of Dr. Baur's labors are 

 as follows : 



CHATHAM ISLAND. 



Bulimuhis nuz var. incrassahis, 1,600 feet on leaves. 



B.jacohi, typical form, 1,600 feet. 



B. achatellimis, 1,600 feet, under leaves. 



B. unifasciatus, 1,600 feet, under leaves. 



B. Bauri, n. s., 1,600 feet, under leaves. 



B. curtus, 1,600 feet, under leaves. 



B. nucula, 1,600 feet, under leaves. 



B. chemnitzioides, 1,600 feet, under leaves. 



B. eschariferus, near seashore under stones. 



B. Haheli, near seashore under stones. 



Conulus galapaganus, 1,600 feet, on leaves of plants. 



Vitrea chathamensis, 1,600 feet, on leaves of plants. 



Succinea produda, typical, 1,600 feet, on mossy rocks. 



Leptinaria chathamensis, 1,600-2,000 feet, on ferns. 



Helicma nesiotica, 1,600 feet, on leaves. 



CHARLES ISLAND. 



Bulimulus rugulosus.. B. galapaganus. 



B. planospira. Succinea brevior. 



SOUTH ALBEMARLE ISLAND. 



Bu limuliis jaco hi. Trochomorp ha Bauri. 



B. Simrothi. Succinea Bettii and corbis. 



Pupa Woljii. Leptinaria chathamensis. 



DUNCAN ISLAND. 



Bulimulus olla. B. duncanus. 



BARRINGTON ISLAND. 



Bulimulus eschariferus var. ventrosus. B. olla. 



JAMES ISLAND. 



Bulimulus jacobi var. cinereus. Succinea Bettii, typical. 



INDEPATIGABLE ISLAND. 



Bulimulus olla. 



