THE MYtilAPODA OF NORTH AMERICA. lf)7 



ff. Cliiw of pr*>licn>(iri:il 1«>;h with a basal tooth I.INOT.KNIA* Korh. 



«e. Pruiiltimat« pair of le«M short ami thi<k, attcmiatril. clawlcss; hajj- 



nif'iitH about 15<J SrYLoi-.KMr.st KurHch 



ec. Ext€'ri()r part of first iiiaxillii' «'iitin'. 



h, (,'hiw of ])reheu8orial iejjs entire; dorsal plates silicate. 



MkinkutiaJ Hollinan. 

 hh. Claw of prehensorial lejjs biincisetl; ilorsal plates not suleate. 



DiiiN ATiioDov Meinert. 

 CM. Mamlibles with a dental plate and several peetinate platea. 

 i. DorHal plates suleate. 

 j. Mandibles with several peetinate jtlates. 



STKiMATotjASTEU La*,zel. 

 jj. Mandibles with a siu^^le ]toetinate plate. 



}c. Claw of max. palpus pectinate; labrum free in the middle; 

 outer j»art of first maxillie witli trare of ])al])iforiu ]>roeeHs. 



rK»rixn\(iiisv\ Hollman. 

 kk. Claw of max. palpus not pectinate; labrum not free in the 

 middle; outer part of first maxilla- without trace of palpi. 



form jtrocess .'>(iiKNDYr.A Her^^soe and Meinert. 



i». Dorsal i)lates not suleate IJotukkhjaster SzeliwauoH*. 



Subfjunily VII. — FIlMANTARIINyE. 



AnahjHis itf the ijenera of Himantariina-. 



a. Pleural plates between spiracle and dorsal platca in one row. 

 />. Spiracle plate much larger than the i>rescutellnm; mandibular stipes with 



7 or 8 pectinate plates Okya Meinert. 



hh. Spiracle plate almost as larjfe as the prescutellum; uaaudibular stipes with 1 



or .5 jiectinate plates ( Uti'HX.KUS Meinert. 



aa. Pleural plates between spiracle and dorsal plates in two or three series. 

 c. None of the posterior sej^nieuts tubeiculate. 

 d. Spiracle plate lar<j;er than the prc3<!utellam; pleune of anal segment 



small, not pon)us Notii'HIX^ides Latzel. 



dd. Spiracle plate smaller than the prescutellum; pleune of anal segment 



very large, porous Himaxtakium Koch. 



cc. Some of the posterior segments tuberculate (Jonihregmatus Newport. 



Indiana Uni\'^rsitv, May IS, 1SS9. 



* LinoUvnia Koch {^=Scolioplane8 Bergsoe and Meinert). 



t This genus may not belong h(ue. Karsch's description is very indetinite and is 

 compared w^th lAnotii'nia and Ilhtianfariiim. 



i Mehiertia — Nom. gen. nov. for Srntojjhilns .Meinert, wbicih is preoccupied. Named 

 after Dr. Fred. Meinert, of Copenhagen. 



$ Pectin'uDDjuix Bollman. [Bull 16. V, S. Nat. Mus., p. li:J.] This genus is divisible 

 into two sul)genera: 



o. Anal pair of legs 6-Jointed Pecliniunyuis. 



aa. Anal pair of legs H-joiuted Xannopus Bollman 



