DYTISCIDJE. 
Ins. 43 
Dcsmopachria suturalis , ovalis , pi. x. fig. 126, Santa Rita, Brazil, con- 
color, Uruguay, p. 340, Icevis, Santa Rita, and subtilis , Brazil, p. 341, 
id. Tr. Dubl. Soc. (2) ii. ; D. variegata, Mexico, Guatemala, p. 16, 
dispar, polita , Mexico, p. 17, circularis , Guatemala, Mexico, glabricula , 
Guatemala, p. 18, and mexicana , Mexico, p. 19, id. Biol. Centr. Am. Col . 
i.(2). 
Hyplrydrus major, pi. xi. fig. 136, Lower Egypt, Nubia, parvicollis, 
Gaboon, p. 375, africanus, Senegal, p. 376, stipes , Madagascar, Bourbon, 
p. 377, grossus, Caffraria, Cape Town, p. 378, signatus, Guinea, puncti- 
collis, Abyssinia, p. 379, frontalis , Iceviventris, Japan, p. 381, and indicus, 
East Indies, p. 382, id. Tr. Dubl. Soc. (2) ii. 
Ccelambus discedens, N. China, p. 396, interruptus , Mesopotamia, muti- 
cus, pi. xii. fig. 146, Abyssinia, chinensis, N. China, p. 39 S,fumatus, United 
States, p. 400, infuscatus , Nevada, p. 401, sahlbergi ( = unguicularis , 
Sahib., nec Crotch), Siberia, p. 402, elevatus, Egypt, p. 403, inscriptus , 
Persia, Mesopotamia, p. 404, orthogrammus, Persia, p. 405, id. 1. c. 
Necterosoma schmeltzi (Wehncke, MS.), pi. xii. fig. 150, Sidney, p. 414, 
regulars, and arcuatum, Australia, p. 415, id. 1. c. 
Iiydroporus diver sicornis, pi. xiii. fig. 156, Texas, p. 437, integer , Penn- 
sylvania, p. 438, cimicoides, lobatus, N. America, p. 439, scrutator , Ega (?), 
lynceus, N. America, peltatus, Canada, p. 440, clypealis , Massachusetts, 
anticus, Pennsylvania, Louisiana, p. 441, eruditus, Philadelphia, republi- 
cans, N. America, p. 442, solitarius, Massachusetts, p. 445, libens , Guate- 
mala, p. 446, mexicanus, Mexico, p. 447, nigriiarsis (Sahib., MS.), N. 
Siberia, Iceticulus, Algeria, p. 453, fractus, S. Europe, Algeria, p. 454, 
occultus, Algeria, occidentalis, N. America, p. 456, cantabricus , Europe, 
insularis , p. 457, revelierii , Corsica, teres , p. 458, ineptus, Syria, errans , 
Canary Islands, antidolus, Syria, p. 462, maurus, Spain, inscitus, Mesopo- 
tamia, p. 463, Venator , Tangier, Andalusia, p. 465, sibiricus (Sahib., MS.), 
Irkutsk, &c., despectus , Canada, p. 466, perplexus , California, rusticus, 
Nevada, p. 467, astur , Spain, alticola, S. Europe, p. 468, inornatus , Massa- 
chusetts, latifrons, N. America, p. 478, rufilabris, Texas, p. 479, nevadensis, 
S. Spain, p. 481, regularis, Corsica, p. 482, terminalis , hardii, California, 
p. 484, belfragii, Texas, p. 485, copelatoides, Chili, and advena, Cape Town, 
p. 486, id. 1. c. ; II. nebulosus, Mexico, and interjectus, Guatemala, id. Biol. 
Centr. Am. Col. i. (2) p. 29. 
Celina punctata , gracilicornis, p. 31, and debilis , p. 32, Guatemala, id. 
1. c. ; G. mucronata, Constantia, longicornis , Santa Rita, p. 487, picea , 
crassicornis, Petropolis, and bonvouloiri, Cayenne, p. 488, id. Tr. Dubl. 
Soc. (2) ii. 
Agabus caraboides, Syria or Mesopotamia, p. 494, styriacus, Styria, 
p. 496, armeniacus, Trebizond, Daghestan, p. 497, perplexus, California, 
Vancouver’s Island, p. 498, castaneus, Syria, p. 500, cequalis, Transbaikal, 
raffrayi , Abyssinia, p. 501, marginalis, Greece, Styria, p. 502, planatus, 
N. America, p. 503, texanus, Texas, p. 505, stridulator, Hudson’s Bay, 
Canada, p. 509, borealis ( = dissimilis , Sahib.), Siberia, mutus , Hudson’s 
Bay, p. 513, subfuscatus, Massachusetts, p. 514, austini (Crotch, MS.), 
British Columbia, p. 516, salilbergi , Dauria, p. 517, sibericus[-bi-I Eastern 
Siberia, p. 519, wollastoni , Madeira, p. 531, coxalis , Angara, Lapland, 
