2 Moll . 
VII. MOLLUSCA. 
[ 1905 ] 
INTRODUCTION. 
The literature attributable to the year 1905 seems to be of about the 
usual standard, both in quality and quantity. 
As usual, we have to chronicle further progress by Pilsbry (600) with 
‘Tryon’s Manual,’ he having continued his study of the Achatinidce. 
Kobelt (387) has continued ‘Martini & Chemnitz, * doaling with the 
A gnat ha, Naninidie and Helix. Farther portions of ‘ Bronn’a Thierreich ’ 
from the pen of Simroth (68) have appeared and another part of Taylor’s 
(591) account of the British non-marine fauna ; more rapid progress would 
double the value of these works. Both Bergh (42) and Kobelt (339, 343) 
have written in Semper’s well-known ‘ Reisen,’ on the marine and land 
fauna of the Philippines, respectively : the latter author having also con- 
tinued (340, 495) his study of the Palsearctic non- marine fauna and the 
account of the European marine Mollusca. 
The marine ‘Expeditions’ have not been so prolific as in the last few 
years. Meisenheimer (394) has written an elaborate account of the 
Pteropods collected during the German deep-sea Expedition, with valuable 
details, bbth anatomical and geographical. Nierstrasz (420) and Bergh 
(41) have described the Chitons and Opisthobranchs of the ‘Siboga’ 
Expedition, respectively, and Eliot (201) the Nudibranchs of the 
‘ Antarctic,’ while Hagg (257) has completed the review .of the forms 
found during the Swedish Polar Expedition. 
Several papers relating to Nudibranchs may perhaps be grouped 
together. The East African fauna has been studied by Eliot (200) ; that 
of California by Cockerell & Eliot (128) and, so far as regards the 
Dorididce , by MacFarland (376); the South Australian species have 
been catalogued by Basedow & Hedley (30) ; while New Zealand has 
received attention from Benham (40). 
The European Turbinidce and Opisthobranchs have been reviewed by 
Locard (364, 365). To Farran (204) we owe a useful account of some 
Opisthobranchs from Ceylon, while a number of shells from that island 
have been described by Preston (474) and Sowerby (553). Hidalgo 
(285) has issued a catalogue of the marine fauna of the Philippines, and 
Pilsbry (459) has described further Japanese forms. As of old, Hedley 
(266, &c.) has written on the Australian fauna ; Suter (572, &c.) has 
added to our knowledge of New Zealand Molluscs ; while Miss Lodder 
(367) has catalogued the species of Tasmania. Further studies on the 
Magellanic Mollusca have been written by Strebel (568, 569). 
Turning to papers devoted especially to non-marine forms, we may 
firstly note those byBoETTGER (57) on the Cameroons; Germain (228, &c.) 
on Central Africa ; and Neuville & Anthony (414, 415) on Abyssinia. 
The contributions on the Asiatic fauna are of considerable interest ; 
Pilsbry & Hirase (461, 462) have described further shells from the Japanese 
Empire and given an account of the Formosan Molluscs ; Dautzenberg 
& Fischer (171) have added to our knowledge of the fauna of Tonkin; 
Martens (384) has dealt with some freshwater shells from Corea ; and 
Blanford (47)— whose name we deeply regret appears for the last time — 
has described some Zonitoids from the Indian Region. Dall (165) has 
written a valuable account of the Alaskan fauna. As usual several 
papers have appeared relating to the North American fauna, notably by 
Baker (19, &c.), Clapp (114, &c.), Pilsbry (553, &c.), Sterki (562, &c.), 
Walker (620, &c.), and Whiteaves (663, &c.) ; special mention may be 
made of Pilsbry’s (460) on the Urocoptidce and Hclicidce of the South 
Western States. The Bahamas Mollusca have been studied by Dall (158, 
159). Several notes on the Neozelanian fauna by Suter (575, &c.) will 
repay attention. 
