Treasury Is. Mollusca — Dell 
427 
J. dates from 1849 and Helix cineraceus (H. & 
J.) from 1841, so that cineraceus as the oldest 
valid name, should have been used as the 
nominate form. The available names for the 
Solomon Island members of the "Rassen- 
kreis” that Rensch considered would be as 
follows : 
Dendrotrochus cineraceus cineraceus (H. & J., 
1841) 
Choiseul and Shortland Island (Rensch), 
(Hombron and Jacquinot gave New 
Guinea) . 
Dendrotrochus cineraceus cleryi (Recluz, 1851) 
Solomon Islands. 
Dendrotrochus cineraceus meridionals (Smith, 
1885) 
Santa Anna. 
Dendrotrochus cineraceus simboana (Smith, 1885) 
Simbo. 
Dendrotrochus cineraceus septentrionalis (Smith, 
1885) 
Choiseul Bay, Shortland, Treasury Islands. 
Dendrotrochus cineraceus cyrene (Crosse) 
Ugi. 
Dendrotrochus cineraceus tenera (I. and B. 
Rensch, 1935) 
Guadalcanar, Savo, Ysabel. 
The type locality of cineraceus is in some 
doubt but from the original figure Rensch 
seems to have placed it fairly satisfactorily in 
the Bougainville Strait area. Smith’s septentrio- 
nalis would then be an exact synonym of cine- 
raceus and in Rensch ’s opinion, simboana Smith 
should be treated as equivalent to heliconoides. 
Rensch also considers that cyrene Crosse and 
meridionals Smith are synonyms of cleryi 
Richy. Accepting these conclusions the fol- 
lowing subspecies should be recognized: 
Dendrotrochus cineraceus cineraceus (H. & J. 
1841) 
Choiseul, Shortland, Treasury. 
Dendrotrochus cineraceus simboana (Smith, 1885) 
Simbo, Hammond, Ysabel, Guadalcanar, 
Malaita, Vella Lavella (Dominion Mu- 
seum) . 
Dendrotrochus cineraceus cleryi (Recluz, 1851) 
San Cristobal, Santa Anna, Ugi, Ulawa, Bio. 
Dendrotrochus cineraceus tenera (I. and B. 
Rensch, 1935) 
Guadalcanar (Savo specimens are inter- 
mediate between tenera and simboana). 
This grouping is essentially that of Rensch, 
although at first sight the nomenclature ap- 
pears very different. 
Dendrotrochus cineraceus cineraceus 
(H. &J., 1841) 
A single specimen from Stirling Island, 
collected by N. Gardner is referable to this 
form. As already noted, Smith (1885) re- 
corded this form from the Treasuries as 
cleryi simboana. 
Sheba hombroni (Pfeiffer, 1856) 
A specimen was collected by the writer 
from Mono Island and two from Stirling 
Island by N. Gardner. There are other spec- 
imens in the Dominion Museum from the 
group (Suter Collection) and one from Short- 
land Island. 
Papuina (Solmopina) afif. gamelia 
Angas, 1867 
Three specimens of a Papuina have been 
seen by the writer from the group, one from 
Stirling and two from Mono. The species 
centred round gamelia and hargreavesi Angas 
have not been clearly defined. P. gamelia was 
described from St. Stephen and Ysabel. Smith 
(1885) added Shortland, Treasury and Choi- 
seul. Rensch (1935) made hargreavesi Angas 
a synonym and added Bougainville to the 
list of localities. It is unfortunate that Rensch 
did not figure any of the large series he had 
from Choiseul (170 shells). The Treasury 
shells that the writer has seen do not agree 
with the figures of gamelia given by Angas in 
Tryon, being comparatively shorter. Nor do 
they agree with shells from Bougainville. Un- 
til this group of Papuina from around Bou- 
gainville Strait can be accurately defined there 
can be no finality in the matter. 
