122 ]Mr. F, Balfour-Browiic on the 



However, tliese are not British specie?, and, beyond making 

 this point clear, I do not need to refer to them. 



I mentioned earlier in this paper that many friends have 

 lent me material wliicli has assi.stcd me in the work on this 

 lironp. I have been specially assisted by Di". Siiarp, who has 

 not only lent me specimens but has also given me many hints 

 and has brought to my notice more than one paper relating 

 to the subject. I must also specially express my thanks to 

 Mr. Edwards, who, among other things, coiuteonsly allowetl 

 me to see the specimens used in the jjroparation of his own 

 paper. His paper undouljtedly advanced our knowledge of" 

 an exceedingly difficult group, especially as he discovered 

 the only absolutely reliable specific character. It I have 

 carried matters any further it is through him that 1 found the 

 necessary stimulus for the work. 



Bibliography. 



(i) Balfour-Browxe, F. 1911. A uew British £«/<};/«.■? (7/. «o/«f«). 

 Ent, Mo. Mag. (ser. 2) xxii. 153. 



(2) Bedel, L. Ib79. Faune Coleopt. Bass. Seine, i. jip. 222-3, and 



note. 



(3) Berlf.se, a. 1909. Gli Insetti. Vol. I. Eiubriologia e Mor- 



phologia. 



(4) liLUNCK, n. 1912. Das Gescblecbtsleben lies Z>//^/5CMS w2rtr/7/««//s, 



L. I. Teil. Die Be<rattung. Zeitsclir. f. ^Viss. Zool. Bd. cii. 

 Heft 2, pp. 1G9-248. 



(5) Edwards, J. 191 1 . A Revision of the British Species of Haliplus, 



Latreille. Ent. Mo. Mag. (!?er. 2) xxii. pp. 1- 10. 



(6) Ellis, II. "Willoughby. 1004. The Victoria History of the 



County of Warwick. 



(7) Gaxgldauer, L. ]891. Die Kafer von Mittel Europa. 



(8) Gerhardt, J. 1877. Zur Unter.scheidung der Arten aus der 



Gruppe des Jlalipliis ru/icollis, De G. Zeitschr. f. Entom. Breslaii, 

 pp. 34-37. 



(9) . 1877. Zwei neue Haliplus- Arteu. Ibid. pp. 38-41. 



(10) IIeyde.v, L. vox. 1877. Verzi;ichni.':.s der Kiifer von Nassau u. 



Fraulifurt. 8vo. Berlin and Wiesbaden. 



(11) , Keitter, and Weise. 1906. Catalogus Coleopterorum 



Europae, &c. Edit. 2. 



(12) Mar-seul, S.-A. de. 1882. Nouveau repertoire contenant les 



descriptions des ef^peces de Coleopteres de lAncien-monde &c. 

 L'Abedle. Journal d'Eutomologie. 



(13) Netolit.sky, F. 1911. Die Paraineren u. das System der 



Adepha^ra. Deutsche Entom. Zeitsclir. pp. 271-283. 



(14) Newbery, E. A. 1907. Haliplus immaculatus, Gerh., a Species 



(or Variety) of C'>leoptera new to the British List. Ent. Mo. 

 Mag. (ser. 2) xviii. p. 4. 



(15) Reitter, E. 1908. Fauna Gemi;inica. Die Kiifer des Deutsches 



Reiches, Bd. i. 



(16) Roberts, C. H. 1913. Critical Notes on the Species of Ilaliplidae 



of America, North of Mexico, with Descriptions of new Species. 

 Journ. N.Y. Entom. Soc. xxi. pp. 91-123. 



