dytiscid;e. 
249 
DYTISCIDiE. ^ 
Schirer (Verh. z.-b. Wien, xxii. p. 7-5) records the survival of water-beetles 
in an aquarium left dry from August to October. 
Hutchinson, Eiit. M. M. ix. p. 12, records species occurring near York. 
Amphizoides . 
Amphizoa joseplii, p. 110, lecontii, p. 121, Vancouver’s Island : A. Matthews, 
Cist. Ent. pt. V., spp. nn. 
JTaliplideii, 
llaliplm imprcsms {Jlavicollis, auctt.) being the only species known to 
Fabricius, represented the genus with him, and neither it nor riificolUs^ Ucg., 
var. laminatus, Scholl., can be considered as being more than synonyms ; 11. 
amcenus, 01., should stand for obliquus, F. { — llydroporus rcticulatus) : G. R. 
Crotch, C. II. X. p. 205. 
llaliplus andalusicus, sp. n., Wehneke, B. E. Z. xvi. p. 135, Andalusia. 
Hydroporides. 
llydroporm ohsoletus, Aub^, with quadrifurcate antennae: R. Lawson, 
Ent. M. M. viii. p. 288. 
Hydroporus ferrugmeus, Lucas, is gravely stated to clash with Hijphydrus 
ferrugineMs, Linn., arid is named mJltituSj by Reiche (Cat. Col. Alg. p. 24), 
who forgets Hydroporus ferrugineus, Stephens (victor^ Aub(5), and the fact of 
Perris having long named the Algerian species hyphydroidcs {cf. C. II. x. 
p. 230); IT. confusus^ late., ncc King, is named luensi [an alteration nmdo in 
Do Marseul’s Cat. 18G7] : Reiche, 1. c. (v. Harold, x. p. 230, objects to this, as 
confusus, Kh\^,= gejjitmis, F.). H. gramdaris, 1 j., — minimus, Scop. ; 11. reti- 
culatus and obliquus (not a llaliplus), versicolor, Schall. ; 11. unistri- 
atus, Goeze, Schr. ,—parvtdus, Miill. : G. R. Crotch, C. H. x. p. 204. 11 avun- 
culus, Y?kxva.., — distinguendus, Desbr. ; 11. nigricollis, Ymxm.., — nigricollis, 
Desbr. : Desbrochers, Bull. Soc. Ent. Fr. (5) ii. p. xxiii. 
llydroportts nigrita and discrctus: T. J. Bold, Tr. North. Durh. iv. p. 375, 
repeats his opinion that these are sexes of one species [but docs not adduce 
any instance of their having been taken m copidd, or mention any examina- 
tion of the gcmtolia\ 
Hydroporus subalpinus, p. 305, incrassatus, p. 300, Thomson, Opusc. Ent. 
(iv.), Sweden ; 11. gracilis, Wehneke, B. E. Z. xvi. p. 130, Malaga : spp. nn. 
Colymbetides. 
Noterus scmipunctatus, V., — capricornis, Hbst. ; llybius ^~notatus,^iQT^\\., 
should stand for the preoccupied ater. Deg. ; 1. fenestratus, F., confuses 
fenestratus and fuliginosus, and comma. Mull., should stand for the first, 
feetidus, Miill., for the latter of these; Agabus biguttatus, 0\.,? = nitidus, 
F., var. ; A. didymus, 0\., — biocellatus, Miill. : G. R. Crotch, C. H. x. p. 205. 
Agabus sexualis, Reiche, = Gaurodytes alpestris, Heer ; A solieri, Aub^, cx. typ. 
(from Schaum), = Zett. [Aube’s name is four years prior] : Thomson, 
