l.-.'li 



COMPENDIUM OF GENERIC DISTINCTIONS. 



Family. SELENARIAP-ff - . — Polyzoary flat and rounded, 

 plano-convex or concave. Vibracula largeaud strong. 



Genus. Ctpularia. — Each cell with vibraculum at apex. 

 Warm Mas. 



Genus, Lunulites. — Cells in scries from middle, bifurcating; 

 vibracula in alternate lines. Warm seas 



Genus. Selenaria. — Certain cells with vibracula. Bass's 



Straits. 



Sub-vrder. CYCLOSTOMATA.— Cell with round simple 

 orifice. 



Family. CRISIADiE.— Polyzoary planet-like, jointed and 

 branched. Cells tubular, in one or two series; orifices in oppo- 

 site directions. 



Genus. Crisia. — Cells in two rows; orifices at tips. 



Family. TUBULIPORAD.ffi. -Polyzoary solid, chalky, circu- 

 lar, lobed or two-branched. Cells tubular; orifice round and 



prominent. 



Genus. PnsTr/LOPORA. — Erect, cylindrical; cells half sunken; 

 orifice prominent. 



Genus. Ihmoxea. — Erect, two-branched. Cells on one side, 

 in rows, divided by a longitudinal line. 



Genus. Discopora. — Base thin, sessile and cup-shaped. 



Genus. AleCto. — Creeping, branched irregularly. Cells 

 horizontal, in one or more rows; ends free. 



Genus. Tubulipora. — Base defined, branch-like. Cells 



nearly erect, aggregate or in imperfect rows. 



Family. VESICULARIADJE — Polyzoary plant-like, homy, 

 tubular; cells free, exteriorly flexible. 



Genus. Bowerbankia. — Mottled and creeping, or erect and 

 branched irregularly. Cells thickly clustered. Animals eight 

 to ten tentacles. 



Genus. Seri.at.aria. — Cells aggregated in sets, on a stalk and 

 on same side; animals with eight tentacles. 



Genus, Buskia. — Cells nearly separate, on footstalks, and 

 flask-shaped, with short processes from walls. 



Family. ALCY0N1DIAD.E. — Polyzoary spongy, irregular: 

 orifice of cells contractile. 



Genus. Ai.fvoNiiiiiM. — Polyzoary erect, lobed or simple. 

 Cells sunken and five-angled. 



Family. PEDICELLINADJE. — Polyzoary plant-like, creeping, 

 adherent, from which spring polypes on footstalks. 



Genus. Pedicellika. — Animal globular. Tentacles curled 

 inwardly, not retractile. 



Order. PHYLACTOUEMATA.— Lophophore bilateral; mouth 

 with epistome. 



Sub-order. LOPHOPEA— Arms of lophophore free. 



Family. CRISTATELLID.S:.— Polyzoary free and locomotive. 



Genus. Cristatella. — Only genus. 



Family. PLTTMATELLIDJE.— Polyzoary rooted. 



Kith-family. — Lophophore with two long arms. 



Genus. Lophopos. — Polyzoary bag-shaped; ectocyst gelat- 

 inous; statoblasts oval; no spines. Britain, Ac. 



Genus. Peittxatei.la. — Polyzoary massive; ectocyst gelat- 

 inous; statoblasts disc-shaped, with spines. Britain, &c. 



Genus. Alctomella. — Polyzoary tubular, tubes united; 

 ectocyst membranous. Britain, &c. 



Genus. Pli'matklla. — Polyzoary tubular, tubes distinct. 

 Britain, &c. 



Sub-family . — Arms of lophophore nearly funnel-shaped. 



Genus. Freoebicella. — Only genus. 



DIVISION. -ARTHROPOD A. 



CLASS.— INSECTA. 



Ringed animals, breathing by tracheae — Head distinct — Legs six, antenna two; subject to metamorphosis 



■in car/// stages, mostly developing wings. 



Order. COLEOPTERA.— Front wings homy or leathery, 

 concealing the second pair of wings when at rest, horizontal, 

 united down back by straight suture. Hinder of wings mem- 

 branous, folding cross-wise and longitudinally. Mouth with 

 transversely moveable jaws. Pupa incomplete. 



Secticm. PENTAM ERA. -Tarsi with five joints, fourth 

 of ordinary size. 



Sub-sedion, Adephaga, — Outer lobe of maxilla' distinct and 

 jointed; inner edge of lower jaws with strong spines, tip 

 1 ked. 



Slirps. GEODErHA(}A.—X,e%$ long, formed for running; 

 jaws long, horny, aiel curved; eyes prominent. 



Family. CICINDELIDiE.— Terminal hook of maxillae articu- 

 lated at base; head wider than thorax; mandibh- long, sharp, 

 and toothed. 



Genus. Cicindela. — Front tarsi of male with three first 

 joints dilated. Wings large. Many lands. 



Genus. Manticora.— Elytra soldered together. Tarsi not 

 different in sexes. Mandibles projecting and long; head large. 

 Africa. 



Genus. Tricondtla. — Wings none. Body long and narrow. 

 Thorax globular. Hot climates. 



Family. CARABIDJE — Maxilla 1 not clawed. Labial palpi 

 three-jointed, set on footstalk. Head not wider than thorax. 

 World-wide. 



Genus. Carabtjs. — Labrurn wavy in middle. Thorax squared, 



edges rounded, or slightly heart-shaped. Abdomen oval. 

 Wings not fit for flight. 



Genus. Brachtxbs. — Labrnm broad and short. Mandibles 



projecting, with two basal teeth. .1 ts of tarsi entire. Thorax 



short; elytra broader than thorax and truncated. 



Genus. Axtiiia. — Labrurn rounded, covering base of large 

 mandibles. Thorax narrow behind. Eyes prominent. Wings 

 absent. 



Genus. Lebia. — Claws of tarsi toothed beneath. Mentura 

 with two lobes; no tooth. Last joint of labial palpi hatchet- 

 shaped. 



Genus. MorMOI.TCE. — Antenna' very long. Head very long, 

 narrow, especially behind, Elytra short, with lobes wider than 

 abdomen, Java. 



