96 Ins. 
COLEOPTERA- 
Agabus discolor, Har., and plueopterus , Kirb., are one species, its 
synonymy; Hamilton, Canad. Ent. pp. 185 & 186. A. bipustulatus , 
p. 159, chalconotus , p. 163, larvae described ; Xambeu, Ann. Soc. 
L. Lyon, xxxviii. 
Agabus dichrous, Pamir, Sharp, p. 38, Col. Sec. Yark. Miss., n. sp. 
Deronectes muritimm , Norway, IIej/liesen, Stavangor Mus. 1890, 
p. 20, pi. fig. 4, n. sp. 
Hydroporus griseo-striatus, larva described ; Xambeu, p. 166, Ann. Soc. 
L. Lyon, xxxviii. 
II. munsterii , p. 22, pi. fig. 5, montanus , p. 23, fig. 7, Norway, Helliesen, 
Stavanger Mus. 1890; II. guernei, Azores, Regimbart, Mem. Soc. Zool. 
iv, p. 202 : n . spp. 
Hyphydrus anbei , n. n. for variegatus , Aube ; Ganglbauer, p. 448, 
Kafer Mitteleur. 
Ilybius cinctus, Yaugihissar, Sharp, p. 38, Col. Sec. Yark. Miss., n. sp. 
Rhantus yessoensis , Japan, Sharp, Ent. xxiv., Supp. p. 6, n. sp. 
Gyrinidj], 
[Cf. Regimbart (689, 690).] 
RiSgimbart has published, Ann. Soc. Ent. Fr. 1891, a second supple- 
ment to his monograph ; it contains a large number of critical and 
synonymical remarks that it is unnecessary to record in detail here ; only 
the n. spp. are given below. 
Aulonogyrus alternatus , S. Africa, Regimbart, p. 672, Ann. Soc. Ent. 
Fr. 1891, n. sp. 
Gyretes pipilzi , Rio Grande do Sul , ' quadrispinosus, Amazons,, p. 685, 
lojensis, Ecuador, p. 686, inflatus. Brazil, p. 687, Regimbart, Ann. Soc. 
Ent. Fr. 1891, n. spp. 
Gyrinus natalemis , S. Africa, p. 674, atlanticus , Azores, p. 678, super - 
ciliaris , Madagascar, p. 681, smaragdinus , Burma, p. 682, Regimbart, 
Ann. Soc. Ent. Fr. 1891, n. spp. 
Orectochilus incrassatus , Celebes, p. 690, landaisi, Tonkin, p. 691, sub- 
lineatus , Assam, p. 695, figuratus , Padong, p. 698, chinensis, Chang-Yang, 
p. 699, scverim , China,- p. 700, tonJcineusis , Cao-Bang, p. 701, cuneatus , 
Sikkim, p. 702, florensis , Flores, nigricans , Celebes, p. 703, sulcipennis , 
Tonkin, p. 705, hemorrhous , E. India, fusiformis , China, p. 706, castelsi , 
Madras, murinus , Sikkim, p. 709, undulans , Tonkin, p. 711, obtusipeunis, 
Shanghai, p. 712, cylindricus , p. 713, cardoni, p. 714, Bengal, Regimbart, 
Ann. Soc. Ent. Fr. 1891, n. spp. 
Orectogyrus sexualis , p. 191, angularis , p. 192, demeryi , p. 193, discors , 
p. 194, Liberia, Regimbart, Notes Leyd. Mus. xiii ; O. grandis, Congo, 
p. 715, zanzibaricus , E. Africa, p. 716, vestilus, p. 717, hastatus , Mada- 
gascar, p. 720, gymnonotus , Transvaal, p. 721, prolongatus , Senegal, p. 722, 
vicinus , Madagascar, p. 724, sexualis. p. 726, conjungens, p. 727, angularis , 
p. 729, jucundu8, p. 730, demeryi , p. 731, elevatus , p. 732, discors, p. 734, 
mocquerysiy pictimanus, p. 735, W. Africa, purpureus , Madagascar, p. 736, 
Regimbart, Ann. Soc. Ent, Fr. 1891 : n. spp. 
