18S5.] < 2iAi [Melnert. 



new genus, but solely I have bad for investigation one single spe- 

 cimen, and therefore I have not been able to put the animal and 

 particularly the parts of the mouth to the necessary microscopi- 

 cal examination. 



Hob. Also the species was labeled " No locality." 



4. Gen. Himantarium. 



Hlmantarium (Koch) Meinert, Myriap. Mus. Haun. i. Geophil., p. 21. 



Corpus depressum vel subdepressum, lincare vel ante et post levissime 

 angustatum. 



Lamina cephalica trophos obtegens ; lamina cephaliea discreta aut 

 coalita ; lamina basalis latissima, transversalis, lateribus post convergen- 

 tibus vel subparallelis, lamina praebasalis evanida. 



Antenna? curtae, crassa?, attenuata?. 



Labium liberum, integrum, dentatum. 



Labii sternum integrum ; processus parvi ; palpi integri vel biarticulati, 

 extrorsum dente magno armati. 



Palporum maxillarium unguis minor. 



Mandibular ante laminis pectinatis pluribus atque lamella dentata in- 

 structse. 



Metameri quarti sternum integrum, lineis chitineisduabus fultum ; pro- 

 sternum baud prominens, obtectum ; pedes prensorii ungue inermi. 



Scutella spiraculifera parva, praescutello duplo vel pluries minora, pos- 

 scutello parvo discreto ; scutella atque prascutella media et interna mani- 

 festa. 



Laminae dorsales obsolete bisulcatae, subglabrae vel scabrosae ; pnvscuta 

 breviuscula vel longiuscula. 



Pori ventrales in omnibus fere vel in pluribus laminis in aream denni- 

 tam coarctati. 



Pori pleurales saepissime permulti, Interdum pauciores, obtectivel nulli; 

 pleura? inflatse, inteidum coxiformes. 



Pori anales nulli. 



Pedes anales inermes, sexarticulati ; feminae graciles, subflliformes, sub- 

 nudi, maris paulo crassiores, breviter birsuti. 



Lamina ultima ventralis plus vel minus triangula, proescutlsevanidis vel 

 discretis. Palpi genitales maris manifesto biarticulati. 



Lamina ultima dorsalis laevis, simplex. 



Lamina frontalis coalita. 



1. Himantarium insigne, n. sp. 



Ptobustum, ante et post manifesto angusta!um ; olivaceum vel luridum; 

 glabrum. 

 Pedes prensorii glabri, tlexi marginem frontalem procul attingentes; 



