1096 Dr. Rob. Lucas: Entomologie. Myriopoda 1899. 



Kiefer secundär verkümmert sind. Anus im letzt. Sgm. Saftlöcher meist 

 vorh. Ventralsäcke öfter vorkommend. Cop.-Füsse b. ^ immer vorh. und 

 zw. am 7. (resp. auch 6. u. 8. Doppelsgm. oder am Hinterende des Kö)'p.). 

 (Beide Art. v. Cop.-Füssen haben übrigens nichts mit einander zu thun). 

 — Cook (4) giebt folg. ergänz. Eintheilung der Chilogn. der Verein. Staaten: 

 Body composed of not more than 13 distinct sgms.; ^ have legs at the 

 posterior end of the body modified to assist in copulation. 



Order Oniscomorpha. 

 Body comp, of at least 19 sgms.; ^ have one or both pairs of legs of 



the 7. sgm. modified to assist in copul., the post. legs being normal. 

 Body comp, of 20 (rarely 19) sgms., which are complete chitin rings, 

 all the primitive sclerites being completely fused, even the sutures 

 being obliterated. Order Merocheta. 



Body comp, of 30 (rarely 26 or 28) sgms. and above; fusion of prim. scler. 

 less complete, at least the pedigerous laminae separated by distinct 

 sutures. 

 (^ with 8 pairs of norm. legs in front of the 4 — 5-jointed cop. legs, which 

 are the post. pair of the 7. sgm. a. the ant. pair of the 8,; head and 

 mouth-parts greatly reduced, the latter suctorial rather than mandu- 

 catory. Order Colobognatha. 



(5^ w. 7 more or less norm, legs in front of the 7. sgm., of which the 

 anter. pair and usually both pairs, are transformed into simple or 

 2-jointed copulat. organs; head large, the mouth-parts well developed 

 a. distinctly manductory. 

 Sgms. 1 — 5 with a single pair of legs each; plurae indicated by a longitud. 

 suture, which is met above by 2 transv. sutures crossing the dorsal 

 part of the sgm., labr. with a median sinus. Order Anocheta. 



Sgms. 3 or 4 footless, sgm. 5 with 2 pairs of legs; plurae entirely oblite- 

 rated; transv. sut. Single or wanting; labr. w. a. median tooth. 

 Guathochilarium w. stipes broad at base, in contact in the median line 

 between the mentum a. promentum; extern, serainal ducts adnate. 



Order Zygocheta. 



Gnathoch. w. stip. narrower at base, widely separated by the mentum a. 



promentum, which are in contact; extern, seminal ducts distinct or 



wanting. 



Pedigerous laminae free throughout; ext. semin. ducts wanting, the aper- 



tures being located in the coxae of the 2nd pair of legs. 



Order Coelocheta. 

 Ped. lam. adnate (exe. the first two); extern, ducts distinct. 



Order Diplocheta. 



Ordo Oniscomorplia. 



Oniscomorpha. Körper kurz und breit, hoch gewölbt, vollk. einkugelbar, aus 

 höchst. 20 Sgm. besteh. Cop.-Füsse d. ^ am Hinterende d. Körp. (raorph. 

 Natur, ob umgebild. Laufbeine od. access. Gliedm. noch nicht klar gestellt). 

 Zahl d Beinp., Cop.-Füsse mitgerechn., b. ^ gross, als b. $. Zungenlapp. 

 des Gnathochil. median verwachs., kein unpaares Läppchen u. keine med. 

 Leiste zw. d. kappenf. Aufsatz, vorh. (letzt, auch bei Glomeridesmiden?), 



