ENTOMOLOGY. 



57 



TRIBE II. CEIOCEHIDBS. 



Labium entire, no notch ; mandibles bifid, or bidented at 

 their tipi. Crioceris merdigera, pL 33, f. 65. 



FAMILY VI. CYCLICA. 



Labium thick, square, or oval, entire, or slightly notched ; 

 exterior and terminal division of jaws cylindrical ; body 

 oval, ovoid, globular, or somewhat square ; antennae filiform or 

 setaceous, sometimes slightly claviform, but not rounded or 

 oval ; three first joints of tarsi spongy, or provided with 

 brushes below. 



TRIBE I. CASSIDARI*. 



Antennae placed on the upper part of the head, approximate, 

 short, straight, projecting, frequently nearly cylindrical; mouth 

 low ; palpi very short j tarsi short, flat ; body orbicular, flat 

 beneath, margined by the elytra and thorax. Cassida viridit, 

 pi. 33, f. 66. 



TRIBE II. CHRYSOMBLIN.S. 



Antennae remote, placed before the eyes. CMamyt cttprea, 

 pi. 34, f. 67. 



TRIBB III. GALIRUCIT.S. 



Antennae placed between the eyes, near the mouth, and ap- 

 proximate at their base. Galeruca tanaceli. 



FAMILY VII. CLAVIPAI.PI. 



Three first joints of tarsi with brushes, and the last bifid ; 

 antennae with a terminal, oval, perfoliated club ; jaws with a 

 horny tooth interiorly ; palpi with a large termiualjoint ; body 

 orbicular or oval. Erotylus giganteut, pi. 33, f. 69. 



SECTION IV. TRIMERA. 



Tarsi three jointed ; antennae clavate ; body hemispherical or 

 oval. 



FAMILY I. APHIDIPHAOI. 



Tarsi with two terminal hooks, first joint distinct ; elytra 

 covering the abdomen ; antennae shorter than the thorax, with 

 a terminal club in the form of a reversed triangle ; last joint of 

 maxillary palpi being large, dolabriform ; body hemispherical ; 

 thorax short, and nearly luuiform. Cocinella leptempunctata, 

 pi. 33, f. 70. 



FAMILY II. FUNGICOL.E. 



Tarsi with two terminal hooks, the first joint distinct, ely- 

 tra covering the abdomen ; antennae longer than the head and 

 thorax; maxillary palpi filiform, or simply thickened towards 

 the tips ; body oval. Eumorphui tetraspilotus, pi. 34, f. 71. 



FAMILY III. PSELAPHII. 



With short truncated elytra ; first tarsial joint short and in- 

 distinct. Chennium bitubfrculatum, pi. 34, f. 72. 



SECTION V. MONOMERA. 

 Tarsi having but one joint. 



FAMILY I. DERHESTIM. 



Antennae shorter than the thorax, radical joint large, ovate, 

 seven following short, Blender, remaining three forming an 

 ovate compressed club, two lower joints somewhat dilated in 

 the inner side, terminal smaller and rounded. Dermeites 

 lardariut. 



ORDER V._ ORTHOPTERA. 



With coriaceous elytra, the margin of the one covering that 

 of the other ; mouth provided with mandibles ; wings longitu- 

 dinally folded, and sometimes transversely besides ; metamor- 

 phosis semi-complete. 



SECTION I. 

 Elytra and wings horizontal ; feet formed for running. 



FAMILY I. FOKFICULARI^E, 



Tarsi three jointed ; elytra nearly crustaceous, not reticulated, 

 very short, posteriorly truncate, joining in a straight suture, 

 and covering the wings, which are plicated, and their extre- 

 mities projecting beyond the elytra, while in repose ; abdomen 

 terminating in a horny forceps, forficula ipongiphora, pi. 33, 



FAMILY II. BLATTARI^B. 



Tarsi five jointed ; wings simply doubled longitudinally, and 

 covered by elytra, frequently coriaceous and thin, reticulated 

 or crossing eacn other ; body depressed, oval, or orbicular ; 

 head concealed under the semicircular or orbicular thorax ; 

 maxillary palpi long, terminal joint axe-shaped ; feet spinous. 

 lllatta maculata, pi. 33, f. 74. 



FAMILY III. MANTIDES. 



Tarsi five jointed ; wings simply folded longitudinally ; body 

 elongated, head uncovered; palpi short, filiform; two anterior 

 feet greatly longer than the others, haunches long, thighs 

 strong, compressed ; legs terminated by a strong hook, capable 

 of being folded under the thighs ; thorax large. Mantit reli- 

 gioia, pi. 33, f. 75. 



FAMILY IV. SPECTBA. 



Under lip unequally divided ; anterior margin of upper lip 

 notched ; antenna placed nearer the mouth than the centre of 

 the head : head projecting, elongated, and posteriorly rounded ; 

 eyes small ; first segment of the thorax short, being scarcely 

 longer than the second. PhyUium piama, pi. 34, f. 76. 



SECTION IL 



With the exception of the first family, the elytra and wings 

 are sloping like a roof; posterior thighs and feet very large, 

 and formed for leaping. 



FAMILY I. GRYLLIDES. 



Elytra and wings horizontal ; antennas setaceous or filiform , 

 tarsi three jointed. Grylltu trifasciatut, pi. 33, f. 77. 



FAMILY II. LOCUSTAHIJE. 



Elytra and wings sloping like a roof ; tarsi four jointed, an- 

 tennae setaceous. Locusta viridiitima, pi. 34, f. 158. 



SECTION III. 



Elytra and wings sloping like a roof ; posterior feet formed 

 for leaping ; tarsi five jointed ; elytra alike in both sexes ; an- 

 tennae sword-shaped, filiform in both sexes, claviform in the 

 males only, in some species. 



ACRIDITES. 



Posterior feet weak, shorter than the body, hardly formed 

 for leaping ; abdomen turned. Acridium ornatum, pi. 33. 

 f. 78. 



ORDER VI. HEMIPTERA. 



Two wings covered by elytra ; mouth constructed for suc- 

 tion : the rostrum composed of a tubular articulated sheath, 

 enveloping four scaly setae, instead of mandibles and jaws; elytra 

 in some of the species crustaceous, with the posterior extre- 

 mity membranous ; in other* nearly similar to wings, but 

 more extended, thicker, and coloured. 



SECTION I. HETEROPTERA. 



Rostrum placed on the anterior extremity of the head ; elytra 

 and wings horizontal, terminated abruptly by a membranous 

 appendage. 



FAMILY I. GEOCORISJE. 



Antennae placed near the internal margin of the eyes, and 

 somewhat longer than the head ; tarsi three jointed, the first in 

 some species very short. 



TRIBB I LONGILABRA. 



Sheath of sucker four jointed ; labrum long, subulate, and 

 striated above. Scut elk r a vasalu, pi. 33, f. 79. 



TRIBE II. MEMBRANACB.X. 



Sheath of sucker two or three jointed, labrum short ; feet 

 hooked, inserted in the medial line under the thorax ; rostrum 

 straight, sheathed at its base, or in its whole length ; head not 

 posteriorly narrowed ; eyes of medium size. Cimex lectula- 

 riut, pi. 33, f. 80 



TRIBB III. NUDICOLLIS. 



Rostrum free arcuated ; head abruptly narrowed at its inser- 

 tion like a neck. Jieduvius raptatonut, pi. 33, f. 81. 



TRIBE IV OCULAT.E. 



Rostrum free, usually straight ; eyes large ; labrum project- 

 ing. Leptopus littorahs. 



TRIBE V. PLOTERES. 



Four posterior feet long, slender, formed for walking on the 

 ground or water ; placed on the sides of the breast, and much 

 apart ; tarsi with two small hooks, which are placed in a lateral 

 fissure at their end ; body covered with silky down. Hydro- 

 metra linearii, pi. 34, f. 82. 



FAMILY II. HYDROCORIS&. 



Antennae placed under the eyes, concealed, and even longer 

 than the head ; tarsi two jointed. 



TRIBE I. NEPIDES. 



Anterior feet formed for seizing : thighs large, furrowed be. 

 neath to receive the margin of the leg ; tarsi short, rivetted at 

 their origin with the legs, and forming together a large hook ; 

 body oval, much depressed, or linear. Helostoma marginata, 

 pi. 33, f. 84. 



TRIBE II. NOTONBCTIDES. 



Two anterior feet bent downwards, thighs of ordinary size ; 

 tarsi ciliated ; two posterior feet oar-shaped, ciliated, with two 

 very small terminal hooks ; body nearly cylindrical or ovoid. 

 Noctonecta glauca, pi. 33, f. 85. 



SECTION II. HOMOPTERA. 



Rostrum projected from the lower part of the head, between 

 the two anterior feet ; elytra generally inclined, of equal thick- 

 ness throughout, sometimes resembling wings. 



FAMILY III. CICADARI&. 



With wings and elytra,- tarsi three jointed; antennae small, 

 conical, or subulate ; three to six jointed, including the seta), 

 which terminate them ; female ovipositor deutated. 



TRIBB I. STRIDULANTBS. 



Eyes three, small and smooth ; antennae six jointed ; males 

 with a drum, or musical organ, interiorly, on each side the ab- 

 domen, covered by an operculum. Cicada Jlavopunctata, pi. 33, 

 f. 86. 



TRIBB n. FULGORBLL.B. 



With two eyes ; antennae three jointed, terminal seta com. 

 pressed, placed under the eyes; front frequently prolonged 

 into a beak. Fttlgora punctata, pi. 33, f. 87 



