NOTES ON THE POLYZONlIDiE. 



IIY CHAKI.ES II. r.OLl.MAN. • 



1841. — Ommatophora IJrjuidt. KociH-il, ><!t (I'nlt/znniuni). 



1841. — TyphUxjcna IJiandt. Iieciicil, 50 (Siphouophorn). 



1844. — rohjzonidce Gervais. Ann. Sci. Nat., 3, ser. zool., ii, 70 (Pohizonium). 



1844. — Pohjzoniden Koch. Syst. Myr., (il and 112 {Polijzoniinn). 



1847. — Polyzonides (iervais. Aptrres, iv, 203 {Pohjzoniitm). 



1865. — Pohjzoniidw Wood. Trans. Amcr. I'hil. 8oc., 248 (PoUjzoninm). 



18H9. — Andrognathidw Cni^e. Proc. Amer. Phil. .Soc, 182 {Androfjnathtts). 



The characters of the family are the same a^; those of the order 

 Coloboijnatha. 



Analysis of the nuhfamilhs of Polyzotnidiv. 



*Guathochilarinm rej)reseuted hy ."i acute triaujjjnhir plate; «lor.sal plates not Rnl- 

 cate nor covered with short still' hairs; lateral carina' not well developed. 



PoLYZONIIX.t:. — A. 



**Gnathochilarinm snhsimilar to that of the Jiilkhi", dorsal plates medianly and 

 transversely sulcate, covered with unuierons short hairs; lateral carina^ well 

 developed Platydes.min.k. — B. 



A. — POLYZONIINvK. 



1841. — Ohimatopliora Brandt. Recneil, 49. 



1844. — Sipltonophoridd' Newport. Trans. Linn. Soc, 278. 



1872. — I'olyzonia Hnmbert & Sanssure. Miss, ^'ci. Mex., vi, 99. 



imi.—Polyzonii Pocock. Ann. and Mag. Nat. Hist., 225. 



I.— POLYZONIUM. 



1834. — Polyzomum Brandt. Okon's Isis, 704 {{/crmaniciin). 



1830. — /*/«<i/Hi«.'< Gervais. Bnll. Soc. Phil. Paris, 71 {,((iidouhiii = (jermanicuvi). 



1839. — LeioHoma Victor. Bull. Nat. Moscou, 44, 1*1. 1 (ronea =^ (jermaiiicum). 



1870. — Petastrpts Cope. Trans. Anicr. Ent. Soc, (J5 (romdhum). 



1880. — Hirudisuiiia Fauzago. Bull. Soc. Ent. Ital., 276 {pa I lid urn). 



1887.— JETexrt^/fWrt McNeill. Proc U.S.Nat. Mus., 328 (roso/iuw). 



ISSS.—Hexoglena McNeill. Bull. Brook. Soc Nat. Hist., in, 188. 



Body wide, depressed, elongjite-oblong; convex above, slightly con- 

 cave beneath ; not pilose. Head distinctly rostrate, parily concealed 

 under the tirst dorsal phite. Antennie subclavate, bases approximate, 

 articles subequal. Ocelli present, 2-4, arranged in two diverging 

 series between the bases of antemne. Mandibles small, triangular. 

 Gnathochilarinm much degenerated; stipes apparently deeply bifid, 

 acuminate; lingual lobes well developed; promentum small, ovate; 

 mentum, hyi>ostoma and cardo not developed. Dorsal plates smooth, 

 not sulcate or tuberculate, first arcuate, advanced forward to the base 

 186 



