[Down]
p. 353. Genera found in Arctic countries, & in S. Hemisphere.2
Are they never found in Tropics??3
Chrysodomus (p 109) no southern Habitat given)4 (p. 109) Cuming5 says in St. of Macassar
Trophon (I thought there were some aberrant Tropical forms) North. Falklands. New Zealand.6
Trichotropis (p. 109) (no southern habitat given.)7
Margarita (p 144) Greenland. Brit. Falkland Isld.8
Rhynchonella (p. 227) Melville Isd. &c. New Zealand.9
Crenella (p. 266) Nova Zembla. &c New Zealand.10
Yoldia (p 270) “Arctic & Antarctic seas— Greenland.11 Massachussetts Brazil!! (no S. Habitat given)12
Astarte (p. 299) Behring St. Norway Canaries (no S. Habitat given)13
(I see Forbes (in new map.) gives Patina in N. & S. & not in Tropics.—)14
p. 371. Is it really certain that Monoceros is in New Zealand?15 Was Sowerby right that one of my Patagonian fossils is a Struthiolaria?16
Is Bankivia confined to Cape & N. Zealand, (page wrong in Index).—17 Do you mean that Venus Stutchburyi & Modiolarca trapezina are common to New Zealand & Kerguelen Land.—18
p. 382. Do you know whether any of the same species of F. W. shells have very wide ranges.?—19 p. 397. Does Dr. Gould give distribution of individual species of Land Molluscs in Pacific islands.—20 Pfeiffer gives several in common to rather distant islds.; but can he be trusted?21
p. 410 How do you calculate that each Geolog. period = 3 times average duration of species.22
p. 411. (first paragraph) do you think you have really good evidence in regard to numbers of individuals.23
p. 411. (3d. par.) & p. 419—(bottom) Longevity of Land & F.W. molluscs great: is it so compared with sea-molluscs, or land vertebrata? Is there means of comparing longevity of land & F.W. Molluscs?24
p. 414 Table, what meaning of names in Italics?25
p 421. Is Cardium edule var. rusticum, found either fossil or recent elswhere, besides in White Sea.26
p 421. (4th. Par) I cannot find what is distrib. of recent species of Fulgur:27 Is it certain that there is a Gnathodon (p 309) in Moreton Bay? What is range of living Mercenaria (p 305).—28
“Buccinum” antarcticum, Falklands, = Pisania–Bivon. operc. claw-like. —— ligatum &c Cape = Cominella, Gr. operc. like Turbinella Woodward refers to Orbigny 1835–47 and Quoy and Gaimard 1830[–4]. Next to this, CD wrote ‘Used’ in pencil.
Please cite as “DCP-LETT-1890,” in Ɛpsilon: The Charles Darwin Collection accessed on