240 
INSECTA, COLEOPTERA. 
CalUstoniimus, g. n,, Chaiidoir, I. c. p. 382. Facies of Callistus limatus, but 
with no tooth in the einargination of the mentum, more slender, pointed, 
and pubescent palpi, and the dilated joints of the tarsi in the ^ not so wide. 
Callistus amahilis, Iledt., = modestus, Schaum, coai'ctatus, lja,(., = littoralisp 
M.ots., = westwoodi, Schaum, 4:-pustulatus, Gory, 5-macidatus, Laf., elegansj 
caffer, and G-pustulatus, Boh., and C. guttattis, sp. n., id. I. c. p. 383, Natal. 
Ctenodactylides. 
Amhlycoleus, g. n., Chaudoir, /. c. p. 410. Facies of Trigonodactyla ; differs 
from Leptotrachelus in its more enlarged tarsi, with the lobes of the 4th joint 
less slender, stout, and ovate, its very obtusely rounded elytral apex, and 
flatter surface. Leptotrachelus platyderus, Chaud., and A, doum, sp. n., id. 
I. c. p. 411, Cayenne. 
Leptotrachelus nigriceps, p. 412, Para, pallidipennis, ibid., punctaticeps, 
p. 413, Ega, debilis, striatopunctatus, p. 413, Bio Janeiro : id. I. c, spp. nn. 
Galeritides. 
Dendrocellus riigicollis, Chaud., =^ari)9es, Schm.-G., omitted by Gemm. 
and V. Harold, and is also nepalensis, Hope Coll. (? described) ; D. geniculatus 
occurs at Malacca. Galerita mexicana is distinct from atripes, I^ec. Zuphium 
rt<^/7*ons, Chaud., =j>w6escm.s, Nietn., Z. vittigerum, Schm.-G., = bimaculatum, 
S.-G. ; Diaphorus is divided into subgenera, -D. proper, and Thalpius {Ena- 
phorus), Lec. : Chaudoir, R. Z. (2) xxiii. p. 139 et seq. 
Drypta. The perfect insect can live for some time under water, readily 
submerging itself when pursued. Lallemant, in Beicho's Cat. Col. Alg. 
p. 3, note. 
Zujjhimn ehevrolati, Lap. : habits noted ; id. I. c. p. 4, note. 
Dicrodontus, g. n., Chaudoir, B. Z. (2) xxiii. p. 139. Emargination of 
mentum distinctly bifid; elytra almost as in Aptimis. Polystichus hrunneusy 
Dej. (imicolor, Brulle). 
Calophcena bonvouloiri, sp. n., Chaudoir, /. c. p. 101, French Guiana. 
Dendrocellus parallelus, id. ibid.^ Sumatra, ternatensis, id. I. c. p. 102, Ter- 
nate, spp. nn. 
Drypta mouhoti, sp. n., id. L c. p. 102, Laos. 
Zuphium, brasiliense, p. 103, St. Catherines, Brazil, columbianum, New 
Granada, smwiewse,^Siam, p. 104 : id. I. c, spp. nn. 
Diaphorus intermedius, New Granada, gramdosus, Brazil, p. 105, tenui- 
cornis, p. 106, Mexico, D. {Enaphorus) horni, p. 107, California : id. I, c, 
spp. nn. 
Polystichus interinedius, sp. n., id. I. c, p. 138, no locality given. 
Helluonides. 
Planetes bimacidatus, Macl., and ru/iceps, Schm. (bimaculatus, Nietn.), dif- 
lerential characters &c. given ; Polystichus australis, W. Macl., is a Planetes, 
very close to immaculatus, Schm. ; Planetes stigma, F., is erroneously so 
placed by Gemm. and v. II., being a Strigia (Selenidia, Mots., near Ortho" 
gomii!^) ; Omphra brevis, Chand., = coynplanata, Bche. ; Ilelluo rujipcs, Kl., is 
not a Polystichus but an Omphra; Mcladroma, Mots., is briefly characterized 
(p. 172), and Avanthogenius grandis, Dej., disjjar, \jKC.,-=grandis, Murray, = 
opacns, Laf., = utnhraculatus, F. (Anthia), and grandis, Boh., = lugubris, 
