1110 Dr. Rob. Lucas: Entomologie. Myriopoda 1899. 



SgiDS with a poster. border composed of a transverse row of convex, 

 rectangular areas; penultimate sgm. witb its carinae as broad or broader 

 than the small, rounded last sgm. Farn. Ouiscodesmidae. 



Sgms without a post. areate border; last sgm. subquadrate, much broader 

 thau the carinae of sgm. 19. 



2. sgm. largest, the carinae broad and expanded downward to protect the 

 sides of the head ; repugu. pores present; supplementary margin 

 pectinate; last sgm. mnch broader than long, the post. margin notched 

 a. tuberculate. Fam. Cyrtodesmidae. 



2. sgm. distinctly smaller than the third, repugn. pores wanting; supple- 

 mentary margin entire or wanting; last sgm. nearly as long as broad 

 the post. margin on entire, thin edge. 



Carinae increasing in size to sgm. 5; sgm. 4 a 5 with carinae much larger 

 than sgm. 3; antennae rather slender, joints 5 a. 6 subequal. 



Fam. Sphaeriodesmidae. 



Carinae increasing in size only to sgm. 3, which is much the largest; 

 antennae rather robust, Joint 5 distinctly shorter than 6. 



Surface of sgms smooth, even, and polished, without pores or depressions 

 of any sort. Fam. Cyclodesmidae. 



Surf, of sgms granular-hispid ; post. subsgms convex or with a transverse 

 row of conic tubercles ; at the end of the carinae in front a large, deep 

 cavity. Fam. Desmonidae. 



Polydesniidae, 



Polydesmidae. Körperform. Alterns (1) p. 230 sq. — Kopf (p. 231 — 6) u. zw. 

 Antennen (p. 232—3), hierzu Taf. V Fig. 98 u. Taf. XVI Fig. 383. — Mund- 

 werkzeuge (p. 233-236). Oberkiefer (p. 233-4), hierzu Taf. IX, Taf . XVI 

 Fig. 370, 371. Unterlippe (p. 234-6) Taf. XIE Fig. 298, Taf. XVI Fig. 372, 

 373.— Segmentzahl (p.236).— Rumpf (p. 236-9). — Kiele (p. 239-240). 

 — Saftlöcher (for. repugn.) (p. 240— 2). Vertheilung ders.: 

 Auf d. 5., 7.— 19. Sgm. b. Strongylodesmus, Serangodes. 

 „ „ 5., 7., 9—19. Sgm. b. Eury-, Harmodesmus, Pleonaraius. 

 „ „ 5., 7., 9., 10. 12.-19. Sgm. b. Dodekaporus. 



„ „ 5., 7., 9., 10., 12., 13., 15.— 19. Sgm. bei Marptod., Fontaria, Leptod., 

 Acutangulus, Centrogaster, Rhachidomorpha, Sulciferus, Tubercxtlarium, 

 Cordyloporus, Julid., Strongylosoma, Anaulacod., Myrmekia, Trachyd., 

 Orthomorpha, Eudasypeltis, Tetracentrosternus , Trachelod., Polyd., 

 Pseudopolyd., Archipolyd., Micropoinis, Diaphorod., Odontotropis, Peri- 

 dontod., Rhachis, Cryptod., Cryptodesmoides, Chytod., Pyrgod.?, Dora- 

 tonotus, Cyrtod., Sphaeriod., Euryurus, Pachyurus, Oxyd., Orod., Scy- 

 tod., Odontokrepis, Platyrhacus u. wahrsch. b. all. sonst., hier nicht in 

 and. Grupp. gen. Gatt., insbesond. den zahllos. Cook'schen Gatt. 

 „ „ 5., 7., 9., 10., 12., 13., 15.-18. Sgm. b. folg. Gatt. m. 19. Sgm.: Haplo- 



soma, Paradoxosoma, Icosid., Brachyd., Bacillid. 

 „ „ 5., 7., 9., 10., 12., 13., 15., 16., 17. (18?) Sgm. b. Centrodesmus (20 Sgm.). 

 „ „ 5., 7., 9-, 10., 12., 13., 15.— 17. Sgm. bei Scytonotus, Oligod., Poratia 



(19 Sgm.). 

 „ „ 5., 7., 9., 10., 12., 13., 15., 16. Sgm. b. Urod., Lophod. (20 Sgm.). 



