20 A CATALOGUE OF THE INSECTS OF 



4. A. congener, Payk., I. e. IV., 55. 



Taken near the top of Cheviot, by Mr. J. Hardy. 



5. A. Sturmii, G-yll., 1. c. I., 65. 



6. A. chalconotus, Panz., 1. c. 



7. A. maculatus, Linn., 1. c. 



8. A. didymus, Oliv. ; C. vitreus, 1. c. 

 " Twizell," P. J. Selby, Esq. 



9. A. paludosus, Fab., 1. c. 



10. A. bipunctatus, Fab., 1. c. 



11. A. guttatus, Payk., 1. c. 64; C. fontinalis, 1. c. II., 268 



(large female var.). 



12. A. fontinalis, Steph.; Steph., Ilmst. Mancl. II., 66. 



I have two local specimens of this species, where taken I had 

 omitted to note. 



The dentate anterior claw of the male separates this species 

 at once from guttatus : it is also a somewhat larger insect. 



13. A. unguicularis, Thomson, Skand. Col. LX., 101 (Erigle- 



n us) ; C. affinis, Trans. CI. I., 65. 



14. A. tarsatus, Zett. ; Thomson, 1. c. II., 64. 

 A single specimen, taken at Long Benton. 



15. A. bipustulatus, Linn., Trans. CI. I., 65. 



LACCOPHILUS, Clairv. 

 1. L. minutus, Linn. ; L. hyalinus, 1. c. 60. 



GrYRINlD^.* 



GYRINUS, Geoff. 



1. G. minutus, Fab., 1. c. 67. 

 Not common with us. 



2. O. urinator, 111., 1. c. 

 Very local. Ouseburn only. 



3. G. natator, Linn., 1. c. 



* The carefully accurate paper on this family [Ent. Mon. Mag. V., 52] by Dr. Sharp may 

 be advantageously consulted by the student. 



