DYTISCIDyE. 
Ins. 101 
Agametrus boliviensis with var. ?, Bolivia, Regimbart, p. 194, Ann. Mus. 
Genova xl, n. sp. 
Bidessus poecilopterus , ornatipennis , Madagascar, Regimbart, p. 372, 
Bull. Soc. ent. France 1899; Z>. luteolus , Java, Regimbart, p. 228, 
Ann. Soc. ent. France 1899: B. fuscolineatus , p. 521, pusillus , 
pallidus , p. 522, pictipes , elegans , prcelargus , p. 523, Australia, Lea, 
P. Linn. Soc. N. S. Wales xxiii; 74. delfini , Valparaiso, Regimbart, 
Boll. Mus. Torino xiv, No. 341, p. 2 : n. spp. 
Canthydrus grandicomis, Paraguay, Regimbart, p. 193, Ann. Mus. Genova 
xl, n. sp. 
Celina subcylindrica , Paraguay, Regimbart, 1. c. n. sp. 
Clypeodytes duodecim/maculatus , India, p. 217, oblongus , p. 219, javanus , 
p. 220, Java, Regimbart, Ann. Soc. ent. France 1899 : n. spp. 
Copelatus xanthogrammus, p. 373, alutaceus , p. 374, Madagascar, Regim¬ 
bart, Bull. Soc. ent. France 1899; C. xanthocephalus , New Guinea, 
cryptarchoides , India, p. 293, heterogynus, Palawan, masculinus , Philip¬ 
pines, p. 295, irinus , Borneo, p. 297, ckinensis , Cliang-Yang, p. 298, 
laticollis , Sumatra, p. 300, andamanicus , Andaman islds., p. 302, 
sumbawensis , Sumbawa, p. 304, ternatensis , Ternate, p. 305, Regimbart, 
Ann. Soc. ent. France 1899; ( 7 . rasilis , p. 528 , punctipennis, p. 529, 
Australia, Lea, P. Linn. Soc. N. S. Wales xxiii; C. amazonicus, p. 2, 
festce, chloroticus , p. 3, grijjini , cequatorius, p. 4, S. America, Regim¬ 
bart, Boll. Mus. Torino xiv, No. 341 : n. spp. 
Cybister aterrimus , Borneo, Regimbart, p. 354, Ann. Soc. ent. France 
1899, n. sp. 
Dytiscus validus , Japan, Regimbart, p. 311, t. c. n. sp. 
Hydaticus\ numerous varr. described, in addition to the new spp. 
mentioned below, Regimbart, pp. 314-331, t. c. 
77. fijiensis , Fiji islands, p. 316, plauatus, Celebes, p. 317, Jiguratus, p. 318, 
Icetabilis , Borneo, macularis , Palawan, p. 321, bengalensis , India, 
p. 322, sexguttatus , Java, p. 323, reductus , p. 357, nigritulus , p. 358, 
Borneo, Regimbart, t. c. : n. spp. 
Hydrocoptus scapularis , Borneo?, p. 244, frontalis , Cochin China, p. 246, 
Regimbart, t. c. n. spp. 
Hydroporus ( Deronectes) fcashmirensis, Turkestan, p. 195, melanogrammus, 
N. India, p. 199, Regimbart, t. c. n. spp. 
Hydrovatus parvidus, histeroides , Madagascar, Regimbart, p. 373, Bull. 
Soc. ent. France 1899; 77. gracilis , Java, p. 234, grabowskyi , Borneo, 
p. 238, Regimbart, Ann. Soc. ent. France 1899 : n. spp. 
Hypkoporus montanus , caliginosus , India, p. 203, tonkinensis , Tonkin, 
p. 204, Regimbart, t. c. n. spp. 
Hyphydrus excojjieri, Yunnan, p. 210, orbicularis , Tonkin, p. 212, Regim¬ 
bart, t. c. n. spp. 
Ilybius angustulus , Se-Tchuen, Regimbart, p. 289, t. c. n. sp. 
Lacconectes oceanicus, Mentawei, Regimbart, p. 291, t. c.; 7. festce , 
Ecuador, Griffini, Boll. Mus. Torino xiv, p. 2 : n. spp. 
LaccopAilus parvidus , var. n. cervicalis , Regimbart, p. 258, Ann. Soc. ent. 
France 1899. 
Laccophilus apicicornis , Mongolia, Reitter, p. 198, Deutsche ent. Zeitschr. 
1899; 7. alluaudi , Madagascar, Regimbart, p. 273, Bull. Soc. ent. 
France 1899; 7. auropictus , India, p. 253 , javariicus, Java, p. 266, 
Regimbart, Ann. Soc. ent. France 1899 : n. spp. 
Leuronectes curtulus, Tucuman, Regimbart, p. 195, Ann. Mus. Genova 
xl, n. sp. 
Methles indicus , Cliota-Nagpore, Regimbart, p. 241, Ann. Soc. ent. France 
1899, n. sp. 
Aiecterosoma costipenne , Tasmania, Lea, p. 526, P. Linn. Soc. N. S. Wales 
xxiii, n. sp. 
