THE ANNALS 
AND 
MAGAZINE OF NATURAL HISTORY, 
[SEVENTH SERIES.] 
CF sopoacoonecsoce un per litora spargite muscum, 
Naiades, et circtim vitreos considite fontes: 
Pollice virgineo teneros hic carpite flores: 
Floribus et pictum, dive, replete canistrum. 
At vos, o Nymphe Craterides, ite sub undas ; 
Ite, recurvato variata corallia trunco 
Vellite muscosis e rupibus, et mihi conchas 
Ferte, Dez pelagi, et pingui conchylia succo. 
N. Parthenii Giannettasi, Ecl. 
No. 43. JULY 1901. 
I.—WNotes on the Recent Literature of Japanese Land-Snails. 
By Dr. Henry A. PILssry, Special Curator of the Depart- 
ment of Mollusca, Academy of Natural Sciences of Phila- 
delphia. 
AFTER a period of twenty years, during which but little was 
published upon the land-mollusks of Japan, their investigation 
has been resumed by several students with the greatest vigour. 
This revival has been due primarily to the work of collecting 
undertaken by Mr. Y. Hirase, of Kyoto, Japan. With 
assistants trained in the best methods of collecting all parts 
of the Island Empire are being searched for mollusks. The 
direction of this work involves not only an intelligent appre- 
ciation of the zoological problems awaiting solution and of the 
value of such work in advancing the intellectual development 
of Japan, but large pecuniary outlay as well. And disin- 
terested devotion to zoological exploration, though happily 
no longer rare in England and America, is not yet common 
enough to be passed without a word of appreciation. 
It is my purpose in this article to discuss briefly certain 
Ann. & Mag. N. Hist. Ser. 7. Vol. viii. i: 
