Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 364
13 !:i ffi^,: £Sm^ ^:^:v. … DEVELOPMENT AND KePEODTJCTION OF SPHiEBOPLEA. [To face p. 304. SPHJEEOrLEA.—(EDOGONIEiE. S05 wards become invested with a firni membranous envelope, as shownin the lower part of fig. 12. These undergo further changes whilststill contained within their tubular parent-cells; their colourpassing from…
Microscopy · Biology
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