of waterbugs, especially of corixidaf. 45 



Principal Keferences. 



1. Frisch, 1740.* Beschreihimg von allerley Insecten in Teutsch- 



land, vi., pp. 31-32, Plate xiv. 



2. Ball, E., 1846. Trans, sections Re2). Brit. Ass. for 1845, 



pp. 64-5. 



3. Editorial note in lievice Zoologique, viii., p. 464, 1845 



(pub. 1846). The stridulating species is recorded as C. 

 affinis Linn, {sic f) 



4. Ball, P., 1846. Ann. 2Iag. Nat. Hist., xvii., pp. 135-6. 



5. Pedfern, p., 1860. Trans. Sect., Re}). Brit Ass. for 1859^ 



pp. 173-4. 



6. Bach, 1870. Das Insect (see Handlirsch 18). 



%a. White, F. B., 1873, Entom. Monthly Mag., x., pp. 60-63,, 

 and 75-80. 



7. Landois, 1874. Thierstimmen. (Freiburg in Breisgau.) 



8. SwiNTON, 1877. Entom. Monthly Mag., xiv., pp. 29-31,. 



2 Figs. 



9. SwiNTON (no date). Insect Variety, pp. 108-12 and 203. 



10. Schmidt- ScHWEDT, 1891. In Zacharias, Die Thier- unci 



Fflanzenioelt des Sicsswassers, ii., pp. 110-17 (sep, 

 pp. 60-67). 



11. Bruyant, 1894. Com2^tes Rendus, cx\iu.,pix 209-301. 



12. Thompson (Mrs.), 1894. Irish Naturalist, iii., p. 114. 



13. Carpenter, G. H., 1894. Irish Naturalist, iii,, pp. 253-5 



(and several short notes by various authors in Yol. iv.). 



14. Carpenter, G. H., 1895. Natural Science, vii., p. 181. 



15. MiALL, 1895. Nat. Hist. Aquatic Insects, pp. 358-359. 



16. Carpenter, G. H., 1899. Insects, their Structure and Life, 



p. 191. 



17. Sharp, D., 1899. Cambridge Nat. Hist, vi., p. 568. 



18. Handlirsch, 1900. Ann. Ho/museums Wien, xv. (Heft. 2), 



pp. 134-41, PI. vii. and text Figs. 8-15. 



19. KiRKALDY, 1901. Ento7nologist, p. 9, Figs. 1-3. 



Explanation of Plates 3 and 4. 



In nearly all the figures of the palae, the long bristly hairs are 



not shown, the dotted line (/ in Fig. 3) representing the points 



of insertion of one row. The figures have been drawn, in the 



* "Wrongly cited by Swinton as 17G6. I have only seen the second 

 edition ; the first edition is dated 1727. 



