Note 156 — LETTER XXXVIII.
Reading edition
Moldenhawers (Anat. der Pflanz. 314—.) affirms that the spiracles of most insects are quite closed: but Sprengel (Commentar. § 8.) has satisfactorily refuted that opinion.
Reading edition
Moldenhawers (Anat. der Pflanz. 314—.) affirms that the spiracles of most insects are quite closed: but Sprengel (Commentar. § 8.) has satisfactorily refuted that opinion.