GUNTHORP; MYRIAPODA OF KANSAS. 173 



AAAA, I'sii'B n( lp(js itioi'S IIibh SO; ytitw;; l.M n witli Slime niimlwi', 

 U. r)oi'snl iiliitcs bisitii'stpi middle piece of Inbfum nmsll, 



0. C'BiiBl pol'es 6fflpt>^ Ihto two Infge pores tin each side of ii broad veiilril 

 plitte, 



B: Cephslle plate eleiifl,v lontsei' thnii brond, with b distinct !lne 

 ef deep punctBtions eBcli side of middle on cnudnl hnlf, these 

 connected hy a cross line of p« notations In front, 



ArenophUv0 bipunoticepg. 

 SS, Sephallc plate almost ns broad as It Is long, with punct»tlon« 



scattered irregulnrij' over surface ArenophU-ut onbornL 



0(3= Sejisl pores numerous, not as Bbo*e, 



B, MeBd only sUghtl}' longet Ihan bread (slmost round) ; 49 to 



es pairs of legs, ,,,.,,,,.,, aeopliU-ut mordat. 



BB, Head distlaetly longer than bread (oblong;; 83 to 89 pBlrs 



ef legs ,,.,,,,.,.,,..,, GfophUiis doUehoff.plial.u.1. 



SB, Borsal plates not blsulcatei middle piece of labrum very large. 



Unolmnia futva. 



BIBLIOGRAPHY. 



Sinee the publication of Bollman's Myriapoda of North 

 Amerlea, In 1S0S, no bibliography has been printed covering 

 the work done on this group for America. Owing to the 

 numerous sygtgmatie artlelea that have been published since 

 the above work, it wai thought advisable to append the fol- 

 lowing list, which eevire the systematic, the distribution, and 

 the variation papers eeneerning the IMyriapoda of North 

 Amtrlea, north of Mtxleo. To any ont taking up a systematic 

 study ef this group, ths worki of Bollman, Chamberlin, Cook, 

 and Weed are of igpteial value. The most important papers 

 in the fellowlnf list are marked with an asterisk (*). 



1. Attems, Carl, 1899. System der Polydesmiden. I Theil. Denksch. 

 Kais. Akad. Wissensch. Wein, Bd. LXVII, pp. 221-482, Taf. I-IX. 



2. 1900. System der Polydesmiden. II Theil. Denksch. 



Kais. Akad. Wissensch. Wien, Bd. LXVIII, pp. 2-51-435, Taf. XII- 

 XVII. 



3. 1902. Neue durch den Schiffsverkehr in Hamburg einge- 



schleppte Myriopoden. Mitt, naturhist. Mus. in Hamburg, Bd. 

 XVIII, pp. 109-116, Taf. I. 



4. 1903. Beitrage zur Myriopodenkunde. Zool. Jahrb. Syst. 



Geog. und Biol, der Thiere, Bd. XVIII, pp. 63-154, Taf. V-IX. 



5. 1909. Die Myriopoden der Vega-Expedition. Ark. zool. 



Svenska vetensk. Stockhclm, Bd. V, pp. 1-84, Taf. I-V. 



6. Beauvois, Palis de, 1805. Ins. d'Afr. et d'Amer., Apteres. 



7. Bollman, Charles Harvey, 1887. Preliminary descriptions of ten 

 new North American Myriapods. Amer. Natur., vol., XXI, pp. 

 81-82. 



8. 1887. Description of new genera and species of North 



American Myriopoda (Julidse). Entom. Americ, vol. II, pp. 225- 

 228. 



