Subject ASC00000nf
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.
v. 25 (1889), Page 36 (1889)
MBLWHOI Library
BHL Page 1692953
Keywords
nautilus ocean shellfish helicostegidae peneroplis polystomella crispa nautiloidae turbonoidae foraminifera Helicostegidae ammonite etchings showing shell form of growth etching of whole shell Gossip About Foraminifera part 2 by Edward H Robertson Shell Foramififera Nautiloidae Turbonoidae Fig. 20--Peneroplis and Fig.21--Polystomella crispa(after Carpenter) shells spiral growth carpenter Foraminifera Ammonite shell whirl Nautili Carpenter Polystomella crispa