22 Ins, 
COLEOPTERA. 
Zoubk., = nitiduSy F., whicb is not separable from higuttatus, 01. A 
further note on varieties, &c. ; id. 1. c. Bull. p. cxl. 
Dytiscus. The same author gives specific characters of the European 
species ; Feuil. Nat. vii. pp. 113-115, pi. ii. [much above the average]. 
Haliplus borealis, sp. n., J. Gerhardt, Z. E. Ver. Schles. 1877 ; 
renamed wehnchii, id. Deutsche E. Z. 1877, p. 448. 
Ilyphydrus xanthomelas, R^gimbart, Bull. Soc. Ent. Fr. (6) vii. p. Ixxx., 
and Ann. p. 361, Manilla ; H. contiguus, p. 160, decem-maculatus, p. 151, 
Australia, madagascariensis, p. 150, Madagascar, E. Welmcke, S. E. Z. 
xxxviii. : spp. nn. 
Hydrovatua {Oooynoptilus) ferrugatus, sp. n., R^gimbart, ll. cc. pp. Ixxix. 
& 360, Manilla. 
Bydroporus piochardiy p. 360, sedilloti, p. 352, Djebel-ech-Cheik, multi- 
guttatus, p. 351, Borak, cyprius, p. 352, Cyprus, id. Ann. Soc. Ent. Fr. (6) 
vii. ; B. pseudo-geminus (p. Ixxix.), p. 360, atomus (p. Ixxx.), p. 361, id. 
ll. cc., Manilla; B. duodecim-maculatus, p. cxxxiii., Algeria, Corsica, 
Sardinia, p. cxxxix., France, id.\.c,.\ B. W-lineelluSy'L. Fair- 
maire, Pet. Nouv. ii. p. 141, Tougourt, N. Africa : spp. nn. 
Desmopachria varians, sp. n., Wehncke, 1. c. p. 161, Brazil. 
Bydrocanthua auritus, sp. n., Rdgimbart, ll. cc. pp. Ixxix. & 359, 
Manilla. 
LaccopMlus haeri (p. Ixxviii.) and transversalis (p. Ixxix.), p. 357, pro- 
tens (p. Ixxix.), p. 358, hydaticoides (p. Ixxix.), p. 359, spp- nii-, id>. ll. cc., 
Manilla. 
Agabus fusco-cenescens, sp. n., id. 1. c. p. cxlviii., Austria. 
Copelatus quadrisignatus, sp. n., id. ll. cc. pp. Ixxviii. & 366, Manilla. 
Bydaticus baeri, id. ll. cc. pp. Ixxviii. & 355, leveillei, id. Bull. 1. c. Sc 
{j== philipp[in\ensisy Wehncke, 1876) Ann. p. 356, spp. nn., Manilla. 
Cybister simoni, p. cli., Cape York, distinctuSy p. clvii., Senegal, spp. nn., 
id. Bull. Soc. Ent. Fr. (5) vii. 
Gyrinid.®. 
Epinectua, Esch., corrected to Epinectes, and retained as a subgenus of 
Enhydrus, Cast., for the non- Australian species, of which Enh. sulcatus, 
Wied. (pi. vi. fig. 1), is the type; Regimbart, Ann. Soc. Ent. Fr. (6) vii. 
p. 105. 
Forrhorhynchua [sic, following Agassiz : rectius Forrorrhynchua, as 
Forro- is not aspirated in Latin compounds; if it were, the name should 
d fortiori bo written Forrhorrhynchus'] marginatus. Lap., $ elytron- 
figured ; id. 1. c. fig. 3. 
Enhydrus {Epinectes) tibialis, p. 107, pi. vi. fig. 2, Brazil, atratuSy p. 109, 
Panama, spp. nn., id. 1. c. 
Gyrinus huttoni, sp. n., F. P. Pascoe, Ann. N. H. (4) xix. p. 141, New 
Zealand. 
Forrorrhynchua tenuirostris, p. Ill, fig. 4, Cochin China, breviroatriSy 
p. 113, fig. 5, Ceylon, Java, spp. nn., Rdgimbart, 1. c. 
