312 M. Anton Stuxberg on Myriopoda 



rigide setosse, breviores, longitudiue tertiain partem corporis 

 superantes ; oculi oeellis 4-6, in 2-3 series partim lougitudinales 

 partim subtransversas digestis, compositi ; coxae pedum raaxilla- 

 rium secundi paris dentibus 2 + 2 longis, acutis, baud validis ; 

 scuta dorsuaba Isevia, setis longis sparsissimis vestita, angulis pos- 

 ticisrotundatis, 8., 10., 12., 14. margine postico sinuata, cetera recta 

 vel subrecta ; scuta ventralia eonvexiuscula ; pori coxales rotundi, 

 minimi, magno intervallo distantes, in (5 1, 2, 2, 2; pedes primi 

 paris calcaribus 0, 0, 1 ; pedum anabum articulus primus iner- 

 mis ; pedes anales tenues, longitudiue quatuor partes antennarum 

 sequantes, setis longis sparsissimis vestiti, unguibus 2, calcaribus 

 1, 2, 1, 0-1, 3, 2, 0-1, 3, 2, 1 armati. Color dorsi testaceus, 

 capitis obscurior, ventris griseus. Longitude corporis 6-5 m. m., 

 antennarum 2*5 m. m. 

 Hah. ad flumen Jenissej circa pagura Podkamenno Tun- 



guskoj (61° 40') in coloniis formicarum. Feminas non 



vidimus. 



7. Lithohius crasstpes, L. Koch, 1862. 



1862. Lithohius crassipes, L. Koch. Myriapodengatt. Lithobius, p. 71. 

 1866. curtipes, Palmberg, Bidi-. t. kanned. om Sveriges Myriapoder 



Ordn. Chilopoda, p. 19. 



1866. crassipes, Palmberg, ibidem, p. 21. 



1869. „ Meinert, Naturhist. Tidsskrift, 3dje Raekke, Bind v. 



p. 263. 

 1869. crassipes,y. Porath,0Efver3. Kgl.Vet.-Akad. Forhandl., Srg. 26, 



p. 639. 



1869. curtipes, v. Poiath, ibidem, p. 639. 



1871. „ Stuxberg, ibidem, arg. 28, p, 501. 



1871. crassipes, Stuxberg, ibidem, p. 500. 



1872. „ Meinert, Naturhist.TidsskriftjSdjeRsekke, Bind viii. 



p. 340. 



Lamina cephabca subquadrata, eadem fere longitudine ac latitudine, 

 margine postico subrecto, pilis sparsissimis minimis vestita ; an- 

 tennae articulis 20 moniliformibus, ultimo duplo longiore quara 

 praecedentibus 2 junctis, compositae, breves, tertiam partem cor- 

 poris longitudinis vix assequentes ; oculi oceUis 6-12, in 2-3 series 

 longitudinales irregulares digestis (1 + 3, 2-1 -|- 3, 3-1 -f 4, 3-1 + 4, 

 3,2-1 +4, 4, 3), compositi ; coxae pedum maxillarium secundi paris 

 dentibus 2 + 2 validis armatae, setis paucis ad marginem anticum, 

 sinu mediano profundo ; scuta dorsualia obsolete rugosa, sparse 

 vel dense pilosa, praesertim postice, angulis posticis rotundatis ; 

 pori coxales rotundi in ^ 2,3, 3, 2-2, 3, 3, 3-3, 3, 3, 3-4, 4, 4, 3, in 

 2 2,3, 3, 3-3, 4, 4, 3-4, 4, 4, 3; pedes primi paris calcaribus 0, 2, 1 

 -] , 2, 1 ; pedum analium articulus primus inermis ; pedes anales 

 breves, inflati, articulo quinto in mare processu parvo praedito, 

 ungue singulo, • calcaribus 1, 3, 2, armati : unguis genitalium 

 femineorum trilobus ; calcarium 2 paria. Color bruuneus vel cas- 

 taneus, capite obscuriore aut pallidiore. Longitudo corporis 8-10 

 m. m. 



Hab. in insula Waigatsch ad promontorium Grebennij sub 



