46 Ins. 
COLEOPTERA. 
ably larger than the second, and provided below with a cupolated disk. 
27 species from Western S. America, Australia, &c., are referred to this 
genus, of which the following are new: — M. sedilloti, Venezuela, Ecua- 
dor, borrii , fig. 55, Ecuador, p. 43G, seriatopunctatus, Peru, p. 437, blan- 
chardi , p. 442, oberthueri , New Guinea, p. 440, elongatus , Aru, Australia, 
simoni , fig. 00, New South Wales, p.447, angustatus, p. 448, canaliculatus , 
p. 450, longipes, Australia, p. 452, purpurascens, fig. 03, New Guinea, 
p. 453, and paradoxus , fig. 04, pi. xii., Australia, p. 455. 
New species : — 
Enhydrus sumbaivcv , Sumbawa, and amescens , Timor, Rdgimbart, Notes 
Leyd. Mus. iv. pp. 59 & 00. 
Gyrinus siculus , Ragusa, Nat. Sicil. i. p. 225, Sicily ; G. turbinator , 
Sharp, Biol. Centr. Am. Col. i. (2) p. 50, Mexico, Guatemala. 
Dineutes fairmairii , Fiji, p. 394, hypomelas , Amboina, caliginosus , 
Australia, p. 397, mellii (Chevrolat, MS.), China, p. 399, olivaceus (Dej., 
MS.), p. 401, denticulatus, figs. 28, 28a, & 28 b, Madagascar, &c., p. 402, 
dilatatus , figs. 29, 29a, pi. xi., Madagascar, p. 403, abyssinicus , Abyssinia, 
angolensis , p. 407 ,wehnckii, Angola, p. 409, analis , figs. 38,38a, Louisiana, 
Texas, p. 410, pectoralis, fig. 42, p. 419, sharpi , fig. 44, pi. xii., Guinea, 
Zambesi, p. 422, Rdigimbart, Ann. Soc. Ent. Fr. (0) ii. ; D. regimbarti 
(Ritsema, MS.), Timor, and ritseince , North Celebes, id ., Notes Leyd. 
Mus. iv. pp. 01 & 02. 
Gyretes scaphidiformis , Bogota, p. 09, glabratus , and pygmeeus , Brazil, 
p. 70, id. 1. c. ; G . boucardi (Salle, MS.), Mexico, p. 51, proximus , Costa 
Rica, and acutangulus , Mexico, p. 52, Sharp, Z. c. 
Orectochilus validus , North Celebes, conspicuus , Ceylon, bipartitus , 
lucidus , ritsemce, Java, and suturalis , Natal, Regimbart, 7. c. pp. 03-08. 
Hydrophilidj:. 
Sharp, Biol. Centr. Am. Cb7. i. (2), figures the following known 
species of Eydrophilidce : — Hydroplulus insularis , Cast., fig. 1, 1'ropister- 
nus apicipalpis , Chevr., fig. 2, mexicanus, Cast., fig. 3, ovalis , Cast., fig. 5, 
Helopeltis larvalis, Horn, fig. 15, pi. ii., Epimetopus costatus , Lee., fig 3, 
and Pelosoma lafertcei , Muls., fig. 14, pi iii. 
Hydroplulus. Dimmock describes the circulation of the blood in the 
head of the larva ; Psyche, iii. pp. 324-320, fig. 5. 
Hydrous caraboides, monstrosity ; Everts, Tijdschr. Ent. xxv. p. xviii. 
Hydrobius fuscipes , Linn., var. balearicus , from Mallorca, described ; 
Schaufuss, Nunq. Ot. iii. p. 528. H. morence , Heyd., belongs to Phily- 
drus ; id. Bull. Soc. Ent. Fr. (0) ii. p. clxxiii. 
Laccobius. Dutch species noticed ; Everts, 7. c. p. xviii. 
Spercheus emarginatus. Larva described and details figured ; Fowler, 
Ent. M. M. xix. pp. 79-82. 
IJelophorus porculus, Bedel, redescribed; Schaufuss, Nunq. Ot. iii. 
pp. 528 & 529. 
Ochthebius bicolor , Germ., is named in some collections 0. quadrifossu- 
latus ) Waltl, and numidicus, Reitt., O. submersus t Chevr., is European, 
being found at Versailles ; Schaufuss, Bull. Soc. Ent. Fr. (0) ii. p. lxxxiv. 
