An article on the suspension of the power of flight in bees, by 

 Donhoff, in the Archiv. Sc. Phys. et Natur., is noticed in ' Nature,' 

 April 26, 1877. 



A memoir on the structure of the brain in Apis, Gryllus, 

 Gryllotalpa, Carahus and Astacus, by Dietl, appeared in the 

 Zeitschrift f. wissensch. zool. (vol. xxvii., part 4). 



The stridulating powers of insects have recently attracted 

 considerable attention, both at home and abroad. In addition to 

 the discovery of this power in a large Indian species of spider, by 

 Mr. J. Wood-Mason, already mentioned, and of which a notice is 

 given, Avith a characteristic figure of the specimen in the act of 

 stridulating, by the author, in the Trans. Ent. Soc. Lond., 1877, 

 the same author has, in the same work, announced the discovery 

 of stridulating organs, not only in a species of scorpion, but also 

 in certain Crustaceans and in a large species of PhasmidcB. 



The musical apparatus of the Cicadce has been studied by Paul 

 Mayer, whose memoir, with figures, appears in Siebold and 

 Kolliker's 'Zeitschrift' (vol. xxviii. Heft 1, 2). A paper by Mr. 

 Galton, on the same subject, appears in the ' Popular Science 

 Review' (n. s., vol. i.) ; and another by M. Carlet, in Ann. Sci. 

 Nat. Zool. (6 ser., vol. v.). 



Various articles on the stridulation of other insects have 

 appeared in the ' Entomologists' Monthly Magazine,' vol. xiii., 

 pp. 169 (Vanessa), 207 (Ageronia), 208 (Vanessa), 217 (Acherontia), 

 230 (various), 273 (various moths). 



Mr. Swinton has also published an article on the stridulation 

 of the Cicadce, in the Ent. Mo. Mag. (September, 1877); and has 

 also described stridulating organs in various Hemiptera, in the 

 same work (vol. xiv., p. 29). and in different Hymenoptera, in 

 ditto (vol. xiv., 187). 



An article on a supposed auditory organ in nocturnal Lepi- 

 doptera at the base of the abdomen, by Mr. Swinton, appears in 

 the Ent. Mo. Mag. for November, 1877. 



The minute anatomy of various organs of ants, illustrated by 

 four coloured plates, formed the subject of the first Quekett Lecture, 

 delivered by Sir John Lubbock before the Royal Microscopical 

 Society, in April, 1877, published in the ' JMonthly Microscopical 

 Journal,' September, 1877. 



A curious memoir by Fritz Miiller, entitled, " Die Stinkkolbchen 

 der weiblichen Maracuja falter," has appeared 'in Von Siebold 



